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Knick Stratos Multi E461N User Manual

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Stratos Multi E461N
Industrial Transmitter
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7.00
pH
25.3
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µS
0.154
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25.3
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Summary of Contents for Knick Stratos Multi E461N

  • Page 1 Stratos Multi E461N User Manual Industrial Transmitter ® µS 7.00 0.154 25.3 25.3 °C °C Favorites Menu Menu Read before installation. www.knick.de Keep for future use.
  • Page 2 Stratos Multi E461N Supplemental Directives READ AND SAVE THIS DOCUMENT FOR FUTURE REFERENCE. BEFORE ATTEMPTING TO ASSEMBLE, INSTALL, OPERATE OR MAINTAIN THE PRODUCT, PLEASE ENSURE A COMPLETE UNDERSTANDING OF THE INSTRUC- TIONS AND RISKS DESCRIBED HEREIN. ALWAYS OBSERVE ALL SAFETY INFORMATION. FAILURE TO COMPLY WITH INSTRUCTIONS IN THIS DOCUMENT COULD RESULT IN SERIOUS INJURY AND/OR PROPERTY DAMAGE.

  • Page 3: Table Of Contents

    Stratos Multi E461N Table of Contents 1 Safety............................. 1.1 Intended Use................................1.2 Symbols and Markings on the Product ......................1.3 Personnel Requirements............................ 1.4 Safety Training ............................... 1.5 Installation and Commissioning ........................1.6 Maintenance ................................10 1.7 Disposal..................................10 1.8 Residual Risks................................. 10 2 Product............................
  • Page 4 Stratos Multi E461N 5.5 Operating States ..............................39 5.6 Measurement Display ............................40 6 Parameter Setting ........................41 6.1 Operating Levels..............................41 6.2 Locking a Function............................... 42 6.3 Parameter Setting Menus..........................43 6.4 System Control ..............................43 6.4.1 Memory Card ............................44 6.4.2 Transfer Configuration ..........................
  • Page 5 Stratos Multi E461N 6.11 Conductivity (Inductive) Process Variable ....................83 6.11.1 Sensor Data ............................... 85 6.11.2 Calibration Presettings.......................... 87 6.11.3 Temperature Compensation of Process Medium................ 88 6.11.4 Concentration (TAN Option FW-E009)..................... 88 6.11.5 TDS Function............................. 88 6.11.6 USP Function ............................89 6.11.7 Messages..............................
  • Page 6 Stratos Multi E461N 7.4.5 Calibration Mode: Product........................132 7.4.6 Calibration Mode: Data Entry ......................134 7.4.7 Calibration Mode: Temperature ......................134 7.5 Conductivity (Inductive) Process Variable Calibration/Adjustment ..........135 7.5.1 Temperature Compensation during Calibration .................135 7.5.2 Calibration/Adjustment Methods .....................136 7.5.3 Calibration Mode: Automatic......................136 7.5.4 Calibration Mode: Manual........................137...
  • Page 7 Stratos Multi E461N 12 Accessories............................176 12.1 Memory Card ................................. 176 12.2 ZU1072 RJ45 Socket ............................179 12.3 ZU1073 Adapter Cable RJ45/M12 D-Type ....................180 12.4 ZU1139 Y Cable RJ45/M12 D Type ......................... 181 13 Specifications..........................182 13.1 Power ..................................182 13.2 Inputs and Outputs (SELV, PELV)........................182 13.3 Device ..................................

  • Page 8: Safety

    This document contains important instructions for the use of the product. Always follow all instructions and operate the product with caution. If you have any questions, please contact Knick Elektronische Messgeräte GmbH & Co. KG (sometimes hereafter referred to as "Knick") using the information provided on the back page of this document.

  • Page 9: Installation And Commissioning

    Stratos Multi E461N 1.5 Installation and Commissioning Adhere to all applicable local and national codes and standards for the installation of electrical equip- ment. Information on installation is provided in the installation guide for the Stratos Multi. Comply with the points below during installation and commissioning: •...

  • Page 10: Maintenance

    Stratos Multi E461N 1.6 Maintenance Stratos Multi does not require maintenance. If maintenance is required at the measuring point (e.g., sensor replacement), function check mode (HOLD) must be activated as follows on the device: • Open Calibration (the selected channel only) •...

  • Page 11: Product

    Stratos Multi E461N 2 Product 2.1 Design and Function • The 1- and 2-channel transmitter permits a free combination of the pH/ORP process variables, con- ductivity (2-/4-electrode sensors, toroidal sensors), and oxygen, and can, for example, simultane- ously measure pH values and conductivity.
  • Page 12 Stratos Multi E461N Product Line Device (digital basic unit) Order no. Stratos E461N E461N Measuring module for analog sensors or 2‑channel Memosens, non-intrinsically safe Order no. pH value, ORP measurement MK-PH015N Oxygen measurement MK-OXY046N Contacting conductivity measurement (process-wetted) MK-COND025N Toroidal conductivity measurement...
  • Page 13 Stratos Multi E461N Operation with Analog Sensors To enable operation with analog sensors, analog measuring modules are plugged in and must be con- figured during initial start-up. Operation with Optical Sensors The SE740 digital optical sensor for dissolved oxygen can be directly connected to Stratos Multi.

  • Page 14: System Overview

    Stratos Multi E461N 2.3 System Overview MEMo O sENs � 0/4 ... 20 mA Power Out ¼ 0-+ PROFINET {> REL 1 REL2 1 Input for Memosens sensors or SE740 optical 6 PROFINET interface oxygen sensor 2 Power output 3/15/24 V for SE740 optical 7 Relay contact K1: Messages, limits, rinse contact, ...

  • Page 15: Package Contents And Product Identification

    Stratos Multi E461N 2.4 Package Contents and Product Identification • Stratos Multi basic unit • Bag containing small accessory parts (2x plastic sealing plugs, 1x hinge pin, 1x plate for conduits, 2x insertable jumpers, 1x reduction sealing insert, 1x multiple sealing insert, 2x blanking plugs, 5x cable glands, and M20x1.5 hex nuts) •...

  • Page 16: Nameplate

    Stratos Multi E461N 2.4.1 Nameplate 1 Name of manufacturer 7 Power supply 2 Product name 8 Manufacturer’s address with barcode 3 CE mark 9 Protection, permissible ambient temperature 4 Special conditions: Read the user manual, observe 10 Product number/serial number/production year...
  • Page 17 Stratos Multi E461N The device is in parameter setting mode. Function check (HOLD) is active. The device is in diagnostics mode. Selectable parameter sets (A/B). Indicates which parameter set is currently active when a control element for parameter set selection was selected: ...

  • Page 18: Installation

    Stratos Multi E461N 3 Installation 3.1 Assembly NOTICE! Possible product damage. Use only a suitable Phillips head screwdriver to open and close the housing. Do not use sharp or pointed objects. Enclosure, mounting possibilities Select mounting type and install. Wall mounting Dimension Drawings, p.

  • Page 19: Dimension Drawings

    Stratos Multi E461N 3.1.1 Dimension Drawings Note: All dimensions are given in millimeters [inches]. 80 [3.15] 148 [5.83] 34 [1.34] 29 [1.14] 90 [3.54] 121,4 [4.78] 8,5 [0.33] 131 [5.16] 115,5 [4.55] 39,5 [1.56] 42 [1.65] 42 [1.65] 1 Holes for pipe mounting, 4x...

  • Page 20: Housing Mounting Options

    Stratos Multi E461N 3.1.2 Housing Mounting Options Note: All dimensions are given in millimeters [inches]. Knockouts in the rear unit enable different mounting options: • Wall mounting Dimension Drawings, p. 19 ➜ • Pipe mounting Pipe Mounting ZU0274, p. 21 ➜...

  • Page 21: Pipe Mounting Zu0274

    Stratos Multi E461N 3.1.3 Pipe Mounting ZU0274 Note: All dimensions are given in millimeters [inches]. Ø 40 … 60 mm, □ 30 … 45 mm  40 [1.57] ...  60 [2.36] 1 For vertical or horizontal posts or pipes 3 Hose clamp with worm gear drive according to DIN 3017,...

  • Page 22: Protective Hood For Wall And Pipe Mounting Zu0737

    Stratos Multi E461N 3.1.4 Protective Hood for Wall and Pipe Mounting ZU0737 Note: All dimensions are given in millimeters [inches]. 146,9 [5.78] The protective hood can only be used for wall or pipe mounting. The package contents includes 4 M6 nuts for fastening the protective hood on the threaded rod of the...

  • Page 23: Panel-Mount Kit Zu0738

    Stratos Multi E461N 3.1.5 Panel-Mount Kit ZU0738 Note: All dimensions are given in millimeters [inches]. Cutout 138 mm x 138 mm (DIN 43700) < 30 [1.181] 76 [2.992] 1 [0.039] ... 22 [0.866] 41 [1.614] 1 Position of panel 4 Span piece, 4x...

  • Page 24: Blanking Plugs, Reduction Sealing Inserts, Multiple Sealing Inserts

    Stratos Multi E461N 3.1.6 Blanking Plugs, Reduction Sealing Inserts, Multiple Sealing Inserts As delivered, each cable gland includes a standard sealing insert. Reduction and multiple sealing in- serts are available for tight insertion of one or two thinner cables. The coupling can be tightly sealed using a blanking plug.

  • Page 25: Connections

    Stratos Multi E461N 3.2 Connections Rear of front unit 1 Terminals for inputs, outputs, relay contacts, power 5 Circumferential seal supply 2 RJ45 socket for PROFINET 6 Terminal plate 3 Slot for the memory card. Follow the instructions 7 Module plate for analog sensors; example for pH for installing the memory card.

  • Page 26: Rj45 Socket Wiring

    Received data - Ethernet Connection Stratos Multi E461N supports two Ethernet interfaces for connection in a ring topology. In this case, the RJ45 Y cable on 2x M12 sockets ZU1139 is connected to the RJ45 socket. NOTICE! In the event of direct connection to the RJ45 socket without Y cable ZU1139 or adapter cable ZU1073, a suitable PROFINET cable must be used to ensure correct data transmission.

  • Page 27: Connecting The Power Supply

    Stratos Multi E461N Before switching on the power supply, make sure its voltage is within the specified range. Switch on the power supply. See also Channel II Wiring Examples, p. 195 ➜ Package Contents and Product Identification, p. 15 ➜...
  • Page 28 Stratos Multi E461N Typical DC Application with Inductive Load 1 Inductive load 3 Contact 2 Free-wheeling diode, e.g.,1N4007 (observe polarity) Typical AC/DC Application with Capacitive Load 1 Capacitive load 3 Contact 2 Resistor e.g., 8 Ω/1 W at 24 V/0.3 A See also Power, p.

  • Page 29: Installing Active And Passive Current Outputs

    Stratos Multi E461N 3.4.3 Installing Active and Passive Current Outputs The current outputs directly supply current (0/4 ... 20 mA) to a load according to the selected process variable. Passive current outputs require an external supply voltage. Note: Observe the specifications and connected loads.

  • Page 30: Terminal Assignments

    Stratos Multi E461N 3.4.4 Terminal Assignments The terminals are suitable for single or stranded wires up to 2.5 mm Terminal Connection Sensor (Memosens or other digital sensor) RS485 A RS485 B Shield Power out Power supply output to supply power to special sensors or external...

  • Page 31: Sensor Connection

    Stratos Multi E461N 3.5 Sensor Connection 3.5.1 Connecting a Memosens Sensor/Optical Oxygen Sensor (LDO) Top view of terminals for Memosens/LDO sensor. The figure shows the opened device, rear side of the front unit. 1 RS-485 interface: Standard sensor connection for digital sensors (Memosens sensor/LDO SE740 sensor)

  • Page 32: Connecting An Analog Sensor/Second Memosens Channel

    Stratos Multi E461N 3.5.2 Connecting an Analog Sensor/Second Memosens Channel CAUTION! Electrostatic discharge (ESD). The modules’ signal inputs are sensitive to electrostatic discharge. Take measures to protect against ESD before inserting the module and wiring the inputs. NOTICE! Strip the insulation from the wires using a suitable tool to prevent damage.

  • Page 33: Terminal Assignments Of Measuring Modules

    Stratos Multi E461N Select the module and mode, and confirm with enter. Set further parameters with the left softkey: Back. Return to measuring mode to end configuration, e.g., with the right softkey: Back to Meas. Measuring Module for Connection of a Second Memosens Sensor If you want to measure two process variables using Memosens sensors, you must insert an MK‑MS095N Memosens module for the second channel.
  • Page 34 Stratos Multi E461N Oxygen Measuring Module Order code MK-OXY046N Module for Contacting Conductivity Measurement Order code MK-COND025N Module for Inductive Conductivity Measurement Order code MK-CONDI035N Module for Dual Conductivity Measurement Order code MK-CC065N Memosens Module Order code MK-MS095N...

  • Page 35: Commissioning

    Stratos Multi E461N 4 Commissioning Note: Upon request, Knick will provide safety briefings and product training during initial commis- sioning of the product. More information is available from the relevant local contacts. Install the housing. Assembly, p. 18 ➜ Wire the connections.

  • Page 36: Operation And Use

    Stratos Multi E461N 5 Operation and Use 5.1 Changing the User Interface Language Preconditions • Stratos Multi is connected to the power. Measuring mode is shown on the display. Steps Left softkey: Press Menu. The Menu Selection opens. Right softkey: Press Lingua. Press the right arrow key and set the language of the user interface.
  • Page 37 Stratos Multi E461N Sensor Monitoring Details (Administrator) Slope Zero point ORP offset Sensocheck Ref El Sensocheck Glass El Response time Back Back to Meas. 1 Function check (HOLD) 7 Scrollbar 2 Current menu heading 8 Softkey function display 3 Device condition (PAR for parameter setting)
  • Page 38 Stratos Multi E461N Keypad 1 Left softkey: 4 enter: Function as shown on left function display Open menu, confirm inputs 2 Left/right arrow keys: 5 Right softkey: Menu Selection: prior/next menu, move left/right Function as shown on right function display...

  • Page 39: Menu Structure Overview

    Stratos Multi E461N 5.3 Menu Structure Overview Menu Calibration Maintenance Parameter Setting Diagnostics Measuring Passcode: 1147 2958 1246 Operator Level (factory 1989 Administrator Level setting) Submenus: Calibration mode, Maintenance of calibration points, sensors and current buffer set outputs System Control (Time, FW Update, Options,...

  • Page 40: Measurement Display

    Stratos Multi E461N CAUTION! In function check (HOLD) mode, the current outputs may be frozen at the last measurement or set to a fixed value. Measurement operations must not be carried out while the device is in function check (HOLD) mode, as the system may behave unexpectedly and put users at risk.

  • Page 41: Parameter Setting

    Stratos Multi E461N 6 Parameter Setting CAUTION! Incorrect parameter settings or adjustments can result in incorrect outputs. A system specialist must therefore commission Stratos Multi, set all its parameters, make all necessary adjustments, and protect it from unauthorized modifications. Note: PROFINET configuration PROFINET, p.

  • Page 42: Locking A Function

    Stratos Multi E461N Administrator level • Access to all settings, including passcode settings. Passcode Entry, p. 48 ➜ • Enable or lock functions for access from within Operator level. Locking a Function, p. 42 ➜ • Functions that can be locked for the Operator level are marked with the “lock” icon. The functions are enabled or locked using the right softkey.

  • Page 43: Parameter Setting Menus

    Stratos Multi E461N 6.3 Parameter Setting Menus Menu Description System Control System Control, p. 43 ➜ General Parameter Setting, General, p. 48 ➜ Inputs/Outputs Inputs and Outputs, p. 55 ➜ Sensor Selection [I] [II] Sensor Selection [I] [II], p. 62 ➜...

  • Page 44: Memory Card

    Stratos Multi E461N 6.4.1 Memory Card This menu is shown if a Data Card is inserted. With activated TAN option FW-E104 logbook: Enable/disable recording of logbook entries on the Data Card. Logbook, p. 47 ➜ With activated TAN option FW-E103 measurement recorder: Enable/disable recording of measurement recorder entries on the Data Card.

  • Page 45: Parameter Sets

    Stratos Multi E461N 6.4.3 Parameter Sets Stratos Multi provides two complete selectable parameter sets (A/B) for different measuring tasks. The currently activated set can be signaled by a relay contact. Relay Contacts, p. 57 ➜ Parameter set “B“ only permits setting of process-related parameters.

  • Page 46: Function Control

    Stratos Multi E461N 6.4.4 Function Control The following functions can be activated by softkey or optocoupler input OK1: Input OK1: • Parameter set selection • Flow • Function check • Function check (channel) Right softkey: • Off • Value rotation •...

  • Page 47: Option Activation

    Stratos Multi E461N 6.4.9 Option Activation Add-on functions (TAN options) expand the device’s capabilities. The TAN options are device-specific. When ordering a TAN option, you must therefore specify the serial number of the device in addition to the relevant order code for this function. The manufacturer then supplies a TAN (transaction number) to activate the add-on function.

  • Page 48: Buffer Table (Tan Option Fw-E002)

    Note: If you lose the administrator passcode, system access is locked! The manufacturer can generate a rescue TAN. If you have any questions, please contact Knick Elektronische Messgeräte GmbH & Co. KG using the information provided on the last page of this document.

  • Page 49: Configuring The Measurement Display

    Stratos Multi E461N 6.5.1 Configuring the Measurement Display   Parameter Setting General Measurement Display Set the number of values to be displayed: 2 values (1 channel), 2 values (2 channels), 4 values (2 channels), 2 values, 4 values, 6 values, 8 values As required, assign channels and variables to be displayed.
  • Page 50 Stratos Multi E461N Measurement Display, Example with 2 Values (1 Channel) Selection Result Select two variables in one measuring channel: Number 2 Values 2 Values (1 Channel) Channel 1 pH Value 2 Values (2 Channels) 4 Values (2 Channels) 1st Meas. Value 2 Values 2nd Meas.
  • Page 51 Stratos Multi E461N Measurement Display, Example with 2 Values (2 Channels) Selection Result Select two variables in two measuring channels: 2 Values (1 Channel) Number 2 Values 2 Values (2 Channels) Channel 1 pH Value 4 Values (2 Channels) 1st Meas. Value 2 Values 2nd Meas.
  • Page 52 Stratos Multi E461N Measurement Display, Example with 4 (6, 8) Values Selection Result Select any four (six, eight) variables Number 4 Values 4 Values (2 Channels) 1st Value pH Value 2 Values 4 Values 2nd Value Temperature 6 Values 3rd Value...
  • Page 53 Stratos Multi E461N Measurement Display, Example with 4 Values (2 Channels) Selection Result Select four variables in two measuring channels: Number 2 Values 2 Values (1 Channel) Channel 1 pH Value 2 Values (2 Channels) 4 Values (2 Channels) 1st Meas. Value 2 Values 2nd Meas.

  • Page 54: Display

    Stratos Multi E461N Selection Result Channel 1 Memosens pH/ORP pH Value pH Value 1st Meas. Value Conductivity pH Value Temperature pH Voltage 2nd Meas. Value pH Voltage Salinity Channel 2 Analog Cond Resistivity Conductivity 1st Meas. Value Conductivity Conductance 4.00 1.135 mS/cm...

  • Page 55: Inputs And Outputs

    Stratos Multi E461N 6.6 Inputs and Outputs The following inputs and outputs are available: • Two current outputs 0/4 ... 20 mA for transmitting variables such as measured value or temperature (factory setting); active or passive configuration possible Current Outputs, p. 55 ➜...
  • Page 56 Stratos Multi E461N Characteristic Curves Linear Characteristic The process variable is represented by a linear output current curve. Output 4 … 20 mA, span pH 0 … 14 Output 4 … 20 mA, span pH 5 … 9 Start Start Trilinear/Bilinear Curve Requires the input of two additional vertex points.

  • Page 57: Relay Contacts

    Stratos Multi E461N Output Filter Time Interval To smooth the current output, a low-pass filter with adjustable time interval can be switched on. When there is a jump at the input (100 %), the output level is at 63 % after the time interval has been reached.
  • Page 58 Stratos Multi E461N Usage: Failure  Inputs/Outputs Relay Contacts Select the desired contact with the up/down arrow keys and enter. : Failure Usage Set the contact parameters. Failure is active • if a value has exceeded or fallen below “Failure Limit Hi“ or “Failure Limit Lo“ respectively •...
  • Page 59 Stratos Multi E461N Function check (HOLD) is active: • during calibration (only the corresponding channel) • during maintenance (current source, relay test) • during parameter setting at the operator level or the administrator level • during an automatic rinse cycle.
  • Page 60 Stratos Multi E461N Configuring the Rinse Contact  Inputs/Outputs Relay Contacts Select the desired contact with the up/down arrow keys and enter. : Rinse contact Usage Select (e.g., “N/O”). Contact Type Specify Rinsing Interval Specify Rinse Duration Specify Rinse/Meas. Lead Time Note: Function check (HOLD) is active during the defined “Lead Time...

  • Page 61: Control Inputs

    Stratos Multi E461N Usage: DO 1 / DO 2 If PROFINET communication is enabled, DO 1 can be assigned to relay contact K1 (REL 1), DO 2 to relay contact K2 (REL 2).  Inputs/Outputs Relay Contacts Select the desired contact with the up/down arrow keys and enter.

  • Page 62: Sensor Selection [I] [Ii]

    Stratos Multi E461N 6.7 Sensor Selection [I] [II] Note: Function check (HOLD) is active. Stratos Multi is factory-set to a pH value measurement with Memosens sensor. This measuring func- tion is also provided by the ORP measurement. The measuring function can be changed to measure...

  • Page 63: Ph Process Variable

    Stratos Multi E461N 6.8 pH Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Selecting a Memosens pH Sensor   Parameter Setting...
  • Page 64 Stratos Multi E461N Selecting a Digital ISM pH Sensor (TAN Option FW-E053)   Parameter Setting Sensor Selection [I] [II] Sensor Selection [II] Selection of an ISM pH sensor connected to the MK-PH015N measuring module: Module: MK-PH Mode:  Adjustable Parameters for ISM pH Sensors Parameter Setting...
  • Page 65 Stratos Multi E461N Adjustable Parameters for Analog Sensors  Parameter Setting [II] Analog pH Delta Function Display deviations from a preset value (delta value): Output value = measured value – delta value Delta Function, p. 70 ➜ Messages Enable/disable messages for the separate process variables, or specify individual limits.

  • Page 66: Sensor Data

    Stratos Multi E461N 6.8.1 Sensor Data Memosens Sensors Memosens sensors provide relevant sensor data automatically. Analog Sensors The sensor type must be selected if using analog sensors:   Parameter Setting [II] Analog … Sensor Data Sensor Data Sensor Type...
  • Page 67 Stratos Multi E461N Adjusting Sensor Monitoring  Sensor Data Sensor Monitoring Details Open a sensor parameter, e.g., Slope of the slope to automatic or individual. Monitoring If you select “Individual”: The nominal slope and the min/max limits can be entered.
  • Page 68 Stratos Multi E461N Adjusting CIP/SIP Counters  Sensor Monitoring Details CIP Counter SIP Counter : Off or individual Monitoring If you select “Individual”: Enter the maximum number of CIP/SIP cycles. In the menu item, select whether and how an exceeded limit is to be displayed: Message No message.

  • Page 69: Calibration Presettings

    Stratos Multi E461N 6.8.2 Calibration Presettings The calibration presettings can be defined in the parameter settings or adjusted directly in the Calibration menu prior to the calibration. Calibration mode: Presetting of calibration mode, e.g., Calimatic, Manual, Product Calibration, Data Entry, Temperature If Calimatic automatic calibration is selected, the buffer set to be used must also be selected.

  • Page 70: Temperature Compensation Of Process Medium

    Stratos Multi E461N 6.8.3 Temperature Compensation of Process Medium Note: If temperature compensation of the process medium is enabled, “TC” is shown on the display in measuring mode. The following are available for temperature compensation: • Linear with input of a temperature coefficient TC •...

  • Page 71: Messages

    Stratos Multi E461N 6.8.5 Messages All values determined by the measuring module or sensor can generate messages. Messages can be configured for the following process variables: • pH value • ORP (with pH/ORP sensor) • rH value (with pH/ORP sensor) •...

  • Page 72: Orp Process Variable

    Stratos Multi E461N 6.9 ORP Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Configuration of a Memosens pH/ORP sensor (combination sensor) pH Process Variable, p.

  • Page 73: Sensor Data

    Stratos Multi E461N 6.9.1 Sensor Data Memosens sensors provide relevant sensor data automatically. Sensoface The Sensoface icons provide the user with diagnostic information on wear and required maintenance of the sensor. In measuring mode, an icon (happy, neutral, or sad smiley) is shown on the display to reflect the continuous monitoring of the sensor parameters.

  • Page 74: Calibration Presettings

    Stratos Multi E461N 6.9.2 Calibration Presettings The calibration presettings can be defined in the parameter settings or adjusted directly in the Calibration menu prior to the calibration. Calibration mode: Presetting of the calibration mode, e.g., ORP data entry, ORP adjustment, ORP...

  • Page 75: Messages

    Stratos Multi E461N 6.9.4 Messages All values determined by the measuring module or sensor can generate messages. Messages can be configured for the following process variables: • ORP voltage • Temperature Configuring Messages Process variable limits for the monitoring range can be selected in the...

  • Page 76: Conductivity (Contacting) Process Variable

    Stratos Multi E461N 6.10 Conductivity (Contacting) Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Selecting a Memosens Conductivity Sensor  ...

  • Page 77: Sensor Data

    Stratos Multi E461N Selecting an Analog Conductivity Sensor   Parameter Setting Sensor Selection [I] [II] Sensor Selection [II] Selection of a conductivity sensor connected to the MK-COND025N measuring module: Module: MK-COND Mode: Analog  Adjustable Parameters for Analog Conductivity Sensors Parameter Setting...
  • Page 78 Stratos Multi E461N Sensoface The Sensoface icons provide the user with diagnostic information on wear and required maintenance of the sensor. In measuring mode, an icon (happy, neutral, or sad smiley) is shown on the display to reflect the continuous monitoring of the sensor parameters.
  • Page 79 Stratos Multi E461N CIP/SIP Counters CIP/SIP counters are available for the following conductivity sensor types: • Memosens 2-electrode/4-electrode sensors CIP/SIP cycles are used to clean or sterilize process-wetted parts in the process. Depending on the application, either one chemical (alkaline solution, water) or several chemicals (alkaline solution, water, acidic solution, water) are used.

  • Page 80: Calibration Presettings

    Stratos Multi E461N 6.10.2 Calibration Presettings The calibration presettings can be defined in the parameter settings or adjusted directly in the Calibration menu prior to the calibration. Calibration Mode: Presetting of calibration mode, e.g., automatic, manual, product calibration, data entry, temperature Cal Presettings (Admin.)

  • Page 81: Concentration (Tan Option Fw-E009)

    Stratos Multi E461N 6.10.4 Concentration (TAN Option FW-E009) With TAN option FW-E009, the substance concentration in percent by weight (wt%) can be deter- mined for H , HNO , HCl, NaOH, NaCl, and Oleum from the measured conductivity and temperature values.

  • Page 82: Messages

    Stratos Multi E461N 6.10.7 Messages All values determined by the measuring module or sensor can generate messages. Messages can be configured for the following process variables: • Conductivity • Resistivity • Concentration (with TAN option FW-E009) • Temperature • Salinity...

  • Page 83: Conductivity (Inductive) Process Variable

    Stratos Multi E461N 6.11 Conductivity (Inductive) Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Selecting a Digital Toroidal Conductivity Sensor ...
  • Page 84 Stratos Multi E461N Adjustable Parameters for Digital or Memosens Sensors for Inductive Conductivity  Parameter Setting [I] [II] Digital/Memosens CondI Enable/disable the TDS function. TDS Function, p. 88 ➜ Enable/disable USP function for monitoring ultrapure water and set the USP limit.

  • Page 85: Sensor Data

    , select the used temperature probe and whether the temperature is to Temperature Detection be measured automatically or manually during measurement and/or calibration. Note: The sensor coding for unknown sensor types can be requested from Knick (see the back page of this document for contact details) Sensoface The Sensoface icons provide the user with diagnostic information on wear and required maintenance of the sensor.
  • Page 86 Stratos Multi E461N Adjusting Sensor Monitoring Note: Function active for digital sensors.  Sensor Data Sensor Monitoring Details Open a sensor parameter, e.g., Cell Constant of the cell constant to automatic or individual. Monitoring If you select “Individual”: The nominal cell constant and the min/max limits can be entered.

  • Page 87: Calibration Presettings

    Stratos Multi E461N Adjusting CIP/SIP Counters  Sensor Monitoring Details CIP Counter SIP Counter : Off or individual Monitoring If you select “Individual”: Enter the maximum number of CIP/SIP cycles. In the menu item, select whether and how an exceeded limit is to be displayed: Message No message.

  • Page 88: Temperature Compensation Of Process Medium

    Stratos Multi E461N 6.11.3 Temperature Compensation of Process Medium Note: If temperature compensation of the process medium is enabled, “TC” is shown on the display in measuring mode. The following are available for temperature compensation: • Off • Linear (enter temperature coefficient TC) •...

  • Page 89: Usp Function

    Stratos Multi E461N 6.11.6 USP Function Monitoring Ultrapure Water in the Pharmaceutical Industry The conductivity of ultrapure water in the pharmaceutical industry can be monitored online in accor- dance with the guideline “USP” (U.S. Pharmacopeia), Annex 5, Section 645 “Water Conductivity”. The conductivity is measured without temperature compensation and is compared with limits.

  • Page 90: Messages

    Stratos Multi E461N 6.11.7 Messages All values determined by the measuring module or sensor can generate messages. Messages can be configured for the following process variables: • Conductivity • Resistivity • Concentration (with TAN option FW-E009) • Temperature • Salinity...

  • Page 91: Dual Conductivity Measurement

    Stratos Multi E461N 6.12 Dual Conductivity Measurement Analog 2-Channel Conductivity Measurement with the MK-CC065N Measuring Module The module can operate with two 2-electrode conductivity sensors, each with a Pt1000 temperature probe. Select the MK-CC065N measuring module:   Parameter Setting...

  • Page 92: Oxygen Process Variable

    Stratos Multi E461N 6.13 Oxygen Process Variable Note: Function check (HOLD) is active. Note: After changing the process variable or measuring mode, Stratos Multi retains its settings but needs to be reconfigured. Note: Oxygen measurements in low oxygen concentrations require TAN option FW-E015.
  • Page 93 Stratos Multi E461N Selecting the SE740 Optical Oxygen Sensor (LDO)   Parameter Setting Sensor Selection [I] [II] Sensor Selection [I] Selection of the SE740 optical oxygen sensor connected to the RS-485 interface (terminals 1 … 6): Process variable: Auto or oxygen...
  • Page 94 Stratos Multi E461N Salinity Correction Salinity, Chlorinity, Conductivity Salinity Correction, p. 99 ➜ Messages Enable/disable messages for the separate process variables, or specify individual limits. Messages, p. 99 ➜ More information on the use of ISM sensors Digital ISM Sensors (FW-E053), p. 241 ➜...

  • Page 95: Sensor Data

    Stratos Multi E461N 6.13.1 Sensor Data Display Example for an Analog Oxygen Sensor Sensor Data (Admin.) Measure in Liquids Liquids Gases Sensor Type Standard Temperature Probe NTC 22kΩ Sensor Polarization Auto Polariz. During Meas -675 mV Polariz. During Cal -675 mV Back Select whether to measure in liquids or gases.
  • Page 96 Stratos Multi E461N Adjusting Sensor Monitoring  Sensor Data Sensor Monitoring Details Open a sensor parameter, e.g., Slope of the slope to automatic or individual. Monitoring If you select “Individual”: The nominal slope and the min/max limits can be entered.
  • Page 97 Stratos Multi E461N Adjusting CIP/SIP Counters  Sensor Monitoring Details CIP Counter SIP Counter : Off or individual Monitoring If you select “Individual”: Enter the maximum number of CIP/SIP cycles. In the menu item, select whether and how an exceeded limit is to be displayed: Message No message.

  • Page 98: Calibration Presettings

    Stratos Multi E461N No message. Failure A Failure message is shown in off-limit conditions; the corresponding NAMUR icon is displayed. If “Display Color NE107” is selected, the measurement display is shown with red backlighting. Maintenance A Maintenance Required message is shown in off-limit conditions; the corresponding NAMUR icon is displayed.

  • Page 99: Salinity Correction

    Stratos Multi E461N 6.13.4 Salinity Correction The solubility of oxygen in water depends on its salinity. The correction is made by either directly entering the salinity in g/kg, the chlorinity in g/kg, or the conductivity in μS/cm, and the temperature.

  • Page 100: Profinet

    A PROFINET device master file (GSDML file) is required for system integration. The latest version of the GSDML file is available in the downloads section of the Knick website. The procedure for installing the GSDML file varies depending on the engineering tool used. The Simatic TIA Portal V15 is used in the example.
  • Page 101 Knick Analysis Drag and drop "Stratos Multi E461N” into the network view and position it next to the CPU icon. Assign the Stratos Multi E461N to the PROFINET IO controller: Click on the interface of the Stratos Multi E461N and, keeping the mouse button depressed, connect it to the CPU icon.

  • Page 102: Changing The Device

    Using the neighborhood detection function, the control system assigns the PROFINET device name and the IP address to the newly added device (Stratos Multi E461N). Note: If the device is replaced, all PROFINET settings, but none of the other device parameter settings, are automatically applied.

  • Page 103: Resetting The Device

    Stratos Multi E461N 6.14.3 Resetting the Device Resetting the Device Parameters In the Stratos Multi E461N device menu:   Parameter Setting System Control Restore Factory Settings The reset function in the device menu does not reset the PROFINET network settings.

  • Page 104: Cyclic Data Transfer

    Stratos Multi E461N 6.14.5 Cyclic Data Transfer Cyclic data transfer has two transport directions: Input Data Data transfer from the field device (device) to the process control system (controller): Input data is provided by the analog input function blocks. Output Data Data transfer from the process control system (controller) to the field device (device): Output data is processed by the analog output and digital output function blocks.

  • Page 105: Configuring The Measured Values

    Stratos Multi E461N 6.14.6 Configuring the Measured Values Stratos Multi E461N provides 20 analog input blocks (AI1  …  AI20). The measured values to be transmitted by an AI are assigned on the device:    Parameter Setting Administrator Level...
  • Page 106 Stratos Multi E461N Data source: Oxygen measurement Measured values Unit of measure Status Sat. %Air Variable Saturation %O2 Variable Temperature °C Variable Conc. (Liquid) mg/l, µg/l, ppm, ppb Variable Conc. (Gas) Vol% Variable Sensor current Variable Partial pressure mbar, mmHg Variable Sensor current (25 °C)

  • Page 107: Profinet Commands

    Stratos Multi E461N 6.14.7 PROFINET Commands Note: The most significant byte is stored first, i.e., at the lowest memory address (big endian order). Slot Subslot Index Access Parameter Description Device settings: rd/wr LOCAL_OP_ENABLE Local operation enable / KeyLock 1 byte ENUM...
  • Page 108 Stratos Multi E461N Slot Subslot Index Access Parameter Description Input frame (cyclic data: device‑> controller): Measured value 1: from channel n sensor n 4 byte FLOAT – measured value 1 byte U8 – status Measured value 2: from channel n sensor n 4 byte FLOAT – measured value 1 byte U8 –...
  • Page 109 Stratos Multi E461N Slot Subslot Index Access Parameter Description AI19 Measured value 19: from channel n sensor n 4 byte FLOAT – measured value 1 byte U8 – status AI20 Measured value 20: from channel n sensor n 4 byte FLOAT – measured value 1 byte U8 –...
  • Page 110 Stratos Multi E461N Slot Subslot Index Access Parameter Description CAL_PRD_STEP_1A 1A: Current product calibration step 1 byte ENUM Step = 0 or 1: Product calibration not running. Step = 3: Sample value was taken. Step = 2, 4, 5: Intermediate states Step = 255: Product calibration not supported.

  • Page 111: Key Lock

    Stratos Multi E461N Slot Subslot Index Access Parameter Description Channel 2 sensor B sensor description: SNS_DESC_2B 2B: Sensor ID See sensor description channel 1 sensor A. Channel 2 sensor B product calibration: rd/wr CAL_PRD_MODE_2B 2B: Product calibration mode See product calibration channel 1 sensor A. rd/wr CAL_PRD_SAMPLE_2B 2B: Take sample value, cancel.
  • Page 112 Stratos Multi E461N PROFINET Monitor PROFINET monitor displays values transferred in cyclic data transfer. Analog input: AIs transferred from the field device (device) to the process control system (controller): Analog output: AOs transferred from the process control system (controller) to the field device (device): ...

  • Page 113: Profinet Diagnostic Information

    Stratos Multi E461N 6.14.10 PROFINET Diagnostic Information Diagnostic events are reported to the PROFINET controller and displayed, for example, in the TIA Portal. Every event generates an entry in the diagnostics buffer. Details of the event can be displayed by double-clicking on the red icon by the controller icon.

  • Page 114: Communication Status

    Stratos Multi E461N Source Error Type Extended State Maintenance Error Text Error Type CHANNEL / SENSOR Warning Value out of Range CHANNEL / SENSOR Warning Calibration Mode Active CHANNEL / SENSOR Warning CIP counter CHANNEL / SENSOR Warning SIP counter...

  • Page 115: I&M Functions

    Stratos Multi E461N 6.14.12 I&M Functions I&M functions provide device data in a manufacturer-independent format. Data transfer is acyclic. Stratos Multi E461N supports the following standardized I&M functions. I&M_0: Index 0xAFF0, access: Read only Element Name Description VendorIDHigh VendorIDLow 0x61 (97) = Knick...

  • Page 116: Flow

    Stratos Multi E461N 6.15 Flow Stratos Multi can calculate flow for limit messages or to monitor an ion exchanger. A pulse generator is connected to control input OK1 for this purpose. Parameter Setting Control input OK1 must first be assigned the “Flow” function.

  • Page 117: Calibration/Adjustment

    Stratos Multi E461N 7 Calibration/Adjustment Menu Selection Calibration Back Lingua/语言 Note: During calibration, the function check (HOLD) operating state is active for each of the calibrated measuring channels. The outputs respond as configured. During calibration, Stratos Multi remains in calibration mode until stopped by personnel. When calibration mode is exited, a confirmation prompt is displayed to ensure that the system is ready for operation again.

  • Page 118: Memosens Calibration/Adjustment

    Stratos Multi E461N First Adjustment Note: Function active for ISM pH/ORP sensors and amperometric ISM oxygen sensors. When you open the Calibration menu, you can choose to save the current calibration as the first adjustment. The adjustment record values are then shown as a reference in the Diagnostics menu.

  • Page 119: Calibration Methods

    Stratos Multi E461N 7.2.1 Calibration Methods One-point calibration The sensor is calibrated with just one buffer solution. A one-point calibration is useful and permissible if the measured values are close to the sensor zero point, such that the change in sensor slope is of negligible significance.

  • Page 120: Temperature Compensation During Calibration

    7.2.4 Calibration Mode: Calimatic Calibration with Automatic Buffer Recognition During automatic calibration with Knick Calimatic, the sensor is immersed in one, two, or three buffer solutions. On the basis of the sensor voltage and the measured temperature, Stratos Multi automati- cally detects the nominal buffer value.
  • Page 121 Stratos Multi E461N CAUTION! Risk of electrostatic discharge. Do not wipe the sensor or dab it dry. Immerse the sensor in the first buffer solution. Start calibration with the right softkey: Next. Calibration with first buffer is carried out. ✓...

  • Page 122: Calibration Mode: Manual

    Stratos Multi E461N 7.2.5 Calibration Mode: Manual During calibration with manual entry of buffer values, the sensor is immersed in one, two, or three buffer solutions. Stratos Multi displays the measured temperature. The temperature-corrected buffer values must then be manually entered. For this purpose, take the buffer value that goes with the dis- played temperature from the buffer table (e.g., on the bottle).

  • Page 123: Calibration Mode: Product

    Stratos Multi E461N 7.2.6 Calibration Mode: Product Calibration by Sampling If the sensor cannot be removed – e.g., for sterility reasons – its zero point can be calibrated by “sam- pling”. The currently measured value of the process is saved in the device for this purpose. A sample is taken directly afterward at the measuring point.

  • Page 124: Calibration Mode: Data Entry

    Stratos Multi E461N Calibration Calibration Mode Product (Step 2: Lab Value) Back Proceed Right softkey: Proceed Enter the lab value and press enter to confirm. Confirm with the right softkey: Next or repeat calibration with the left softkey: Cancel. Result ✔...

  • Page 125: Calibration Mode: Isfet Zero Point

    Stratos Multi E461N 7.2.8 Calibration Mode: ISFET Zero Point Setting the ISFET Operating Point When using Memosens ISFET sensors for pH measurement, the individual operating point of the sensor first needs to be determined, and should be in the pH 6.5...pH 7.5 range. The sensor is immersed in a buffer solution with a pH value of 7.00 for this purpose.

  • Page 126: Orp Process Variable Calibration/Adjustment

    Stratos Multi E461N 7.3 ORP Process Variable Calibration/Adjustment Note: During calibration, the function check (HOLD) operating state is active for each of the calibrated measuring channels. The outputs respond as configured. • Calibration: Detect deviations without readjustment of calibration data •...

  • Page 127: Calibration Mode: Orp Adjustment

    Stratos Multi E461N 7.3.2 Calibration Mode: ORP Adjustment The sensor is immersed in an ORP buffer solution for ORP adjustment. Stratos Multi displays the measured temperature and the ORP. The temperature-corrected buffer values must then be manually entered. For this purpose, take the buffer value that goes with the displayed temperature from the buffer table (e.g., on the bottle).

  • Page 128: Calibration Mode: Orp Check

    Stratos Multi E461N 7.3.3 Calibration Mode: ORP Check The sensor is immersed in a solution with a known ORP value for the ORP check. The test period and the permissible test difference are specified during parameter setting:   Parameter Setting...

  • Page 129: Conductivity (Contacting) Process Variable Calibration/Adjustment

    Stratos Multi E461N 7.4 Conductivity (Contacting) Process Variable Calibration/Adjustment Note: During calibration, the function check (HOLD) operating state is active for each of the calibrated measuring channels. The outputs respond as configured. • Calibration: Detect deviations without readjustment of calibration data •...

  • Page 130: Calibration/Adjustment Methods

    Stratos Multi E461N 7.4.2 Calibration/Adjustment Methods • Automatic calibration: Automatic with standard calibration solution • Manual: Manual entry of a calibration solution • Product: Product calibration (calibration with sampling) • Data entry: Data entry of premeasured sensors • Temperature: Temperature probe adjustment 7.4.3 Calibration Mode: Automatic...

  • Page 131: Calibration Mode: Manual

    Stratos Multi E461N 7.4.4 Calibration Mode: Manual Manual Calibration Specifying a Calibration Solution During calibration with manual entry of the conductivity value of the calibration solution, the sensor is immersed in a calibration solution. Stratos Multi calculates a conductivity/calibration temperature pair value.

  • Page 132: Calibration Mode: Product

    Stratos Multi E461N 7.4.5 Calibration Mode: Product Calibration by Sampling If the sensor cannot be removed – e.g., for sterility reasons – its cell constant can be determined by “sampling”. The currently measured value (conductivity or concentration ) of the process from Stratos Multi is stored for this purpose.
  • Page 133 Stratos Multi E461N Save with the right softkey: Save. ✓ An information window is shown. Right softkey: Close As required, exit calibration by pressing the left softkey: Back. Note: The icon indicates that product calibration has not yet been completed.

  • Page 134: Calibration Mode: Data Entry

    Stratos Multi E461N 7.4.6 Calibration Mode: Data Entry Entry of values for the cell constant of a sensor, related to 25 °C/77 °F. Calibration Procedure  Calibration [I] [II] … Cond When you access calibration, the calibration values selected in the calibration presettings are used.

  • Page 135: Conductivity (Inductive) Process Variable Calibration/Adjustment

    Stratos Multi E461N 7.5 Conductivity (Inductive) Process Variable Calibration/Adjustment Note: During calibration, the function check (HOLD) operating state is active for each of the calibrated measuring channels. The outputs respond as configured. • Calibration: Detect deviations without readjustment of calibration data •...

  • Page 136: Calibration/Adjustment Methods

    Stratos Multi E461N 7.5.2 Calibration/Adjustment Methods • Automatic: Automatic with standard calibration solution • Manual: Manual entry of a calibration solution • Product: Product calibration (calibration with sampling) • Zero point: Zero point correction • Installation factor: Entry of an installation factor (with Memosens sensors) •...

  • Page 137: Calibration Mode: Manual

    Stratos Multi E461N 7.5.4 Calibration Mode: Manual Manual Calibration Specifying a Calibration Solution During calibration with manual entry of the conductivity value of the calibration solution, the sensor is immersed in a calibration solution. Stratos Multi calculates a conductivity/calibration temperature pair value.

  • Page 138: Calibration Mode: Product

    Stratos Multi E461N 7.5.5 Calibration Mode: Product Calibration by Sampling If the sensor cannot be removed – e.g., for sterility reasons – its cell factor can be determined by “sampling”. The currently measured value (conductivity or concentration ) of the process from Stratos Multi is stored for this purpose.
  • Page 139 Stratos Multi E461N Save with the right softkey: Save. ✓ An information window is shown. Right softkey: Close As required, exit calibration by pressing the left softkey: Back. Note: The icon indicates that product calibration has not yet been completed.

  • Page 140: Calibration Mode: Zero Point

    Stratos Multi E461N 7.5.6 Calibration Mode: Zero Point Calibration Procedure  Calibration [I] [II] … Condl When you access calibration, the calibration values selected in the calibration presettings are used. These settings can still be changed in the Calibration menu. If you do not want to perform calibration, use the left softkey to go back one level and abort the calibration.

  • Page 141: Calibration Mode: Data Entry

    Stratos Multi E461N 7.5.8 Calibration Mode: Data Entry Entry of values for the cell factor and zero point of a sensor, related to 25 °C/77 °F. If concentration measurement is activated (TAN option FW-E009), the concentration is also shown in this menu and directly adjusted with the cell factor. This makes direct calibration to the concentration value possible.

  • Page 142: Oxygen Process Variable Calibration/Adjustment

    Stratos Multi E461N 7.6 Oxygen Process Variable Calibration/Adjustment Note: During calibration, the function check (HOLD) operating state is active for each of the calibrated measuring channels. The outputs respond as configured. • Calibration: Detect deviations without readjustment of calibration data •...

  • Page 143: Calibration/Adjustment Methods

    Stratos Multi E461N 7.6.1 Calibration/Adjustment Methods • In air/water: Automatic calibration in water/air • Data entry: Data entry of premeasured sensors • Product: Product calibration by entering saturation %air, concentration, or partial pressure • Zero point: Zero correction • Temperature: Temperature probe adjustment 7.6.2 Calibration Mode: In Air...

  • Page 144: Calibration Mode: In Water

    Stratos Multi E461N 7.6.3 Calibration Mode: In Water Automatic Calibration in Water The slope is corrected using the saturation value (100 %) related to saturation with air. Calibration Procedure Note: Ensure sufficient sensor incident flow. (see the specifications of the oxygen sensor.) The calibra- tion medium must be in equilibrium with air.

  • Page 145: Calibration Mode: Data Entry

    Stratos Multi E461N 7.6.4 Calibration Mode: Data Entry Entry of values for slope and zero point of the sensor, related to 25 °C/77 °F, 1013 mbar/14.69 psi. Slope = sensor current at 100 % atmospheric oxygen, 25 °C/77 °F, 1013 mbar/14.69 psi Calibration Procedure  Calibration [I] [II] … Oxy When you access calibration, the calibration values selected in the calibration presettings are used.
  • Page 146 Stratos Multi E461N Product calibration is performed in 2 steps. Calibration Step 1: Sampling [Save] Saturation 80.3 %air Pressure 1014 mbar Temperature 23.3 °C Enter Lab Value [Entry] Entry Save Step 1: Take sample. ✓ The measured value and temperature at the time of sampling are displayed.

  • Page 147: Calibration Mode: Zero Point

    Stratos Multi E461N 7.6.6 Calibration Mode: Zero Point Zero Correction For trace measurements below 500 ppb, the zero point should be calibrated. (TAN option FW-E015, “Oxygen Measurement in Low Oxygen Concentrations”) If a zero correction is performed, the sensor should remain for at least 10 to 60 minutes in the calibration medium (media containing CO : at least 120 min) to obtain stable, non-drifting values.

  • Page 148: Diagnostics

    Stratos Multi E461N 8 Diagnostics 8.1 Favorites Menu Diagnostic functions can be accessed directly from measuring mode using the right softkey. For this purpose, the right softkey must be assigned the function Favorites Menu Function Control, p. 46  ...

  • Page 149: Diagnostic Functions

    Stratos Multi E461N Delete a favorite: Open the menu and select the Favorites menu. Diagnostics Right softkey: Delete Favorite ✓ The heart icon disappears. The softkey function changes to Set Favorite. Diagnostics Message List Logbook Device information Network Information PROFINET diagnostics...

  • Page 150: Messages

    Stratos Multi E461N 8.2.2 Messages All values determined by the measuring module or sensor can generate messages. Configuring Messages Process variable limits for the monitoring range can be selected in the submenu: Messages     Parameter Setting [I] [II] [Sensor]...

  • Page 151: Device Information

    Stratos Multi E461N Select whether to record Failure and/or Maintenance Required messages in the logbook in the system control: Logbook, p. 47   Parameter Setting System Control Logbook ➜ Logbook entries can also be deleted here. 8.2.4 Device Information...

  • Page 152: Measuring Point Description

    Stratos Multi E461N 8.2.6 Measuring Point Description  Diagnostics Meas. Point Description Display of tag number and notes Entry in menu   Parameter Setting System Control Meas. Point Description Measuring Point Description, p. 46 ➜ 8.2.7 Channel I/II Diagnostic Functions The submenus vary depending on the sensor type.
  • Page 153 Stratos Multi E461N Sensor Wear Monitor Note: Function active for digital sensors. The sensor wear monitor shows the sensor operating time and the maximum temperature during the operating time, as well as wear and the forecast remaining time. When using oxygen sensors, the number of membrane replacements and calibrations is also displayed: ...

  • Page 154: Maintenance Functions

    Stratos Multi E461N 9 Maintenance Functions Menu Selection Maintenance Back Lingua/语言 Note: Function check (HOLD) is active. PROFINET communication and the relay contacts/current outputs behave in accordance with the parameter settings. Return to measuring mode to exit the function check, e.g., with the right softkey: Back to Meas.

  • Page 155: Channel I/Ii Maintenance Functions

    Stratos Multi E461N 9.2 Channel I/II Maintenance Functions Memosens/analog Memosens SE740 ISM Oxy ISM pH pH/Cond/CondI Sensor monitor Autoclaving counter Membrane body replacement Interior body replacement 9.2.1 Sensor Monitor   Maintenance [I] [II] Sensor Sensor Monitor Display of the currently measured values (sensor monitor) with function check (HOLD mode activated)

  • Page 156: Replacing The Membrane Body/Interior Body

    Stratos Multi E461N 9.2.4 Replacing the Membrane Body/Interior Body If the membrane body or the interior body of an ISM oxygen sensor are replaced during maintenance of a sensor, this must be confirmed manually in the Maintenance menu:  ...

  • Page 157: Troubleshooting

    Stratos Multi E461N 10 Troubleshooting 10.1 Malfunction States Messages and errors are displayed with the corresponding NAMUR icon and the measurement display of the corresponding channel changes color. The message is logged, with time and date, in the logbook. Logbook, p. 150 ➜...
  • Page 158 Stratos Multi E461N General Error Messages Error Possible Causes Remedy Display is blank. No power supply. Check the power supply or provide a suitable power supply for the device. Display auto-off enabled. Press any key to wake the display following a possible auto- off.
  • Page 159 Stratos Multi E461N Error No. Type Message Text Notes/Solution F200 Configuration Data Data error in the configuration: Reset to factory settings and fully Loss reconfigure. F202 System Failure Internal system error: Switch device off (approx. 10 s). If the message persists, send in the device.
  • Page 160 Stratos Multi E461N Error No. Type Message Text Notes/Solution P012 pH LO Value below configured monitoring limit P013 pH HI Value above configured monitoring limit P014 pH HI_HI Value above configured monitoring limit P015 Temperature Range Measuring range exceeded. Possible causes: Sensor not or incorrectly connected, cable faulty, incorrect temperature probe selected.
  • Page 161 Stratos Multi E461N Error No. Type Message Text Notes/Solution P063 Glass impedance outside limits. Sad Sensoface Possible causes: Sensor cable faulty, sensor faulty: Glass Impedance As required, calibrate/adjust sensor or replace. P064 Response time too long. Possible causes: Sensor worn out. Adjustment not Sad Sensoface carried out properly (unsteady): Repeat calibration/adjustment.
  • Page 162 Stratos Multi E461N Error No. Type Message Text Notes/Solution P205 Info Cal: Sensor unstable The drift criterion was not adhered to during calibration. Possible causes: improper calibration, sensor cable/connection faulty, sensor worn. Check the sensor and calibration and repeat as required. Otherwise, replace the sensor.
  • Page 163 Stratos Multi E461N Conductivity (Contacting) Error No. Type Message Text Notes/Solution C001 Configuration Data Loss Data error in the configuration: Fully reconfigure the device. C008 Adjustment Data Error in the adjustment data: Switch device off (approx. 10 s). If the message persists, send in the device.
  • Page 164 Stratos Multi E461N Error No. Type Message Text Notes/Solution C040 Salinity Range Measuring range exceeded. Possible causes: Sensor not/incorrectly connected, cable incorrectly connected/faulty, incorrect cell constant set.   Parameter Setting [II] Analog Cond Sensor Data C041 Salinity LO_LO Value below configured monitoring limit...
  • Page 165 Stratos Multi E461N Cond/Cond Calculation Block Error No. Type Message Text Notes/Solution E001 Configuration Data Loss Data error in the configuration: Fully reconfigure the device. E010 Conductivity Diff Range Conductivity value difference. Max/min device limits exceeded: - Check both conductivity values.
  • Page 166 Stratos Multi E461N Error No. Type Message Text Notes/Solution E049 REJECTION HI_HI Value above configured monitoring limit E050 DEVIATION Range Deviation. Min/max device limits exceeded: - Check both conductivity values. E051 DEVIATION LO_LO Value below configured monitoring limit E052 DEVIATION LO...
  • Page 167 Stratos Multi E461N Error No. Type Message Text Notes/Solution T014 Conductivity HI_HI Value above configured monitoring limit T015 Temperature Range Measuring range exceeded. Possible causes: Sensor not/incorrectly connected, cable incorrectly connected/faulty, range incorrectly specified, incorrect temperature probe selected.  ...
  • Page 168 Stratos Multi E461N Error No. Type Message Text Notes/Solution T070 TDS Range Measuring range exceeded. Possible causes: Sensor not/incorrectly connected, cable incorrectly connected/faulty, range incorrectly specified, incorrect cell factor set.   Parameter Setting [II] Analog Condl Sensor Data T071...
  • Page 169 Stratos Multi E461N Oxygen Error no. Type Message text Notes/solution D001 Configuration Data Loss Data error in the configuration: Fully reconfigure the device. D008 Adjustment Data Error in the adjustment data: Switch device off (approx. 10 s). If the message persists, send in the device.
  • Page 170 Stratos Multi E461N Error no. Type Message text Notes/solution D063 - Check/refill electrolyte. Sad Sensoface - SE740: Replace membrane body. Response Time - Replace sensor. D064 Calibration timer has expired: Sad Sensoface - Check the calibration timer settings. Cal Timer - Carry out calibration/adjustment.
  • Page 171 Stratos Multi E461N Oxy/Oxy Calculation Block Error No. Type Message Text Notes/Solution H001 Configuration Data Loss Data error in the configuration: Fully reconfigure the device. H010 Saturation %Air Diff Range Saturation value difference. Max/min device limits exceeded: - Check both saturation values.

  • Page 172: Sensocheck And Sensoface

    Stratos Multi E461N 10.3 Sensocheck and Sensoface µS 7.00 0.154 µS 7.00 25.3 25.3 °C °C 25.3 13.5 °C °C Menu Favorites Menu Menu Favorites Menu 1 Happy Sensoface 2 Neutral Sensoface Sad Sensoface The Sensoface icons provide the user with diagnostic information on wear and required maintenance of the sensor.
  • Page 173 Stratos Multi E461N Sensoface Criteria Sensoface Slope Zero Point Happy 53.3 … 61 mV/pH pH 6 … 8 < 53.3 mV/pH or < pH 6 or > 61 mV/pH > pH 8 Conductivity (Contacting) Sensoface Cell Constant Analog Sensors Memosens Happy 0.005 cm …...
  • Page 174 Stratos Multi E461N Sensocheck Process Variable Sensocheck Function Automatic monitoring of glass and reference electrode Oxygen: Monitoring membrane/electrolyte Conductivity: Information on sensor condition Enable/Disable Sensocheck Sensocheck is enabled and disabled in the submenu: Sensor Data With Memosens:   ...

  • Page 175: Decommissioning

    Stratos Multi E461N 11 Decommissioning 11.1 Disposal The local codes and regulations must be observed when disposing of the product. 11.2 Returns If required, send the product in a clean condition and securely packed to your local contact. knick.de ➜...

  • Page 176: Accessories

    Stratos Multi E461N 12 Accessories 12.1 Memory Card Memory cards are used to save data or make firmware changes in conjunction with the Stratos Multi E461N. The device’s measurement data, configuration data, and firmware can be saved. Settings can be changed in System Control ...
  • Page 177 Stratos Multi E461N Connection to PC Connect the memory card to the computer via a micro USB cable. 1 Micro USB port 2 Stratos Multi system connection Memory Card Types and Icons Symbol Card type (original accessory) Purpose Data Card Data recording (e.g., configuration, parameter sets, logbook, measure-...
  • Page 178 Stratos Multi E461N Firmware Update with FW Update Card A firmware update with FW Update Card requires TAN option FW-E106. Firmware Update (FW-E106), p. 245 ➜ Firmware Repair with FW Update Card Note: The firmware update add-on function need not be active for troubleshooting with the FW Repair Card.

  • Page 179: Zu1072 Rj45 Socket

    12.2 ZU1072 RJ45 Socket Intended Use The RJ45 socket makes it possible to connect a PROFINET cable to the Stratos Multi E461N. It is screwed into the bottom side of the housing, replacing one of the cable glands. Sectional View...

  • Page 180: Zu1073 Adapter Cable Rj45/M12 D-Type

    Stratos Multi E461N 12.3 ZU1073 Adapter Cable RJ45/M12 D-Type Intended Use The adapter cable connects an RJ45 socket on the Stratos Multi E461N to a D-coded M12 socket and is used for Ethernet data transmission. Connection Diagram RJ45 Transmitted data +...

  • Page 181: Zu1139 Y Cable Rj45/M12 D Type

    Stratos Multi E461N 12.4 ZU1139 Y Cable RJ45/M12 D Type Intended Use The Y cable connects an RJ45 socket of the Stratos Multi E461N to two D-coded M12 sockets and is used for PROFINET data transmission. Connection Diagram RJ45 Transmitted data +...

  • Page 182: Specifications

    Stratos Multi E461N 13 Specifications 13.1 Power Power supply, 80 V (- 15 %) ... 230 (+ 10 %) V AC; approx. 15 VA; 45 … 65 Hz terminals 17, 18 24 V (- 15 %) … 60 (+ 10 %) V DC; 10 W Overvoltage category II, protection class II, pollution degree 2 Test voltage Type test 3 kV AC 1 min after moisture pre-treatment Routine test 1.4 kV for 2 s...

  • Page 183: Device

    Stratos Multi E461N Alarm contact Contact response N/C (fail-safe type) Response delay 0000 ... 0600 s Rinse contact To control a simple cleaning system Contact rating AC < 30 V / < 15 VA with ohmic load DC < 30 V / < 15 W Max. switching current 3 A, max. 25 ms Max. continuous current...

  • Page 184: Rated Operating Conditions

    Stratos Multi E461N Sensoface Sensor status display: Happy, neutral, sad smileys Status indicators Icons for parameter setting and messages Keypad Softkey 1 left, softkey 2 right, arrow keys (cursor), enter Door contact When front open: electrical signal and logbook entry Real-time clock Different time and date formats selectable, power reserve approx.

  • Page 185: Interfaces

    Stratos Multi E461N 13.7 Interfaces Communication interface RJ45 Number of Ethernet 2, via RJ45 to Y cable 2x M12 (ZU1139) interfaces Device type IO device IO specification V2.3 Conformance class Class B Network load class Transfer rate 125 Mbit/s (electric 100BASE‑TX)

  • Page 186: Measuring Functions

    Stratos Multi E461N 13.8 Measuring Functions 13.8.1 pH Memosens input Input for Memosens sensors (pH, ORP, pH/ORP) Terminals 1 … 5 or MK-MS095N module Display ranges Temperature: -20.0 … 200.0 °C / -4 … 392 °F pH value: -2.00 … 16.00 ORP: -1999 ... 1999 mV rH value (with pH/ORP sensor): 0 … 42.5...
  • Page 187 Stratos Multi E461N pH calibration and adjustment Calibration with automatic buffer recognition (Calimatic) Manual calibration with entry of individual buffer values Product calibration Data entry of premeasured sensors ISFET zero point (with ISFET sensors) Temperature probe adjustment Calculation of nominal zero point Max.

  • Page 188: Conductivity (Contacting)

    Stratos Multi E461N 13.8.2 Conductivity (Contacting) Memosens input Input for Memosens sensors Terminals 1 … 5 or MK‑MS095N module Measurement error Depending on sensor Module input, analog Input for analog 2- or 4-electrode sensors with MK‑COND025N module Measuring ranges 2-electrode sensors: 0.2 µS * c … 200 mS * c (Conductance limited to 3500 mS)

  • Page 189: Conductivity (Inductive)

    Stratos Multi E461N 13.8.3 Conductivity (Inductive) Digital input Input for Memosens or SE670/SE680K toroidal conductivity sensors Terminals 1 … 5 or MK‑MS095N module Measurement error Depending on sensor Module input, analog Input for SE655/656/660 toroidal conductivity sensors with MK‑CONDI035N module Measurement error  ...

  • Page 190: Conductivity (Dual)

    Stratos Multi E461N 13.8.4 Conductivity (Dual) Memosens input Input for Memosens sensors Terminals 1 … 5 and MK-MS095N module Also possible: Memosens sensor and analog sensor via MK‑COND025N module Conductivity (Contacting) Process Variable, p. 76 ➜ Measurement error Depending on sensor MK-CC05N module input, analog...

  • Page 191: Temperature Compensation (Conductivity)

    Stratos Multi E461N 13.8.5 Temperature Compensation (Conductivity) Without Linear Linear characteristic 00.00 ... 19.99 %/K Reference temperature adjustable Reference temperature 25 °C/77 °F: Natural waters acc. to EN 27888 NaCl NaCl from 0 (ultrapure water) to 26 wt% (0 ... 120 °C/32 ... 248 °F) Ultrapure water with HCl traces (0 ... 120 °C/32 ... 248 °F) Ultrapure water with NH traces (0 ...

  • Page 192: Oxygen

    Stratos Multi E461N 13.8.7 Oxygen Digital input, Memosens Standard measurement / Input for amperometric Memosens sensors: with TAN option FW-E016: Terminals 1 … 5 or MS095N module Trace measurement Display range Temperature: -20.0 ... 150.0 °C / -4 ... 302 °F Measurement error Depending on sensor Digital input, SE 740 Input for SE 740 optical oxygen sensor: Terminals 1  …  6...
  • Page 193 Stratos Multi E461N Measuring ranges Standard sensor (Memosens, SE740, digital, analog) Saturation 0.0 ... 600.0 % Concentration 0.00 ... 99.99 mg/l (ppm) (dissolved oxygen) Volume concentration 0.00 ... 99.99 vol% in gas Trace sensor “01” (Memosens, SE740, analog) Saturation 0.000 ... 150.0 % Concentration 0000 ... 9999 µg/l / 10.00 ... 20.00 mg/l (dissolved oxygen) 0000 ... 9999 ppb/10.00 ... 20.00 ppm...

  • Page 194: Diagnostics And Statistics

    Stratos Multi E461N 13.9 Diagnostics and Statistics Diagnostic functions Calibration data Calibration record Device self-test Automatic memory test (RAM, FLASH, EEPROM) Display test Display of all colors Keypad test Check of key functions Sensocheck Delay: approx. 30 s Automatic monitoring of glass and reference electrode (can be switched off )

  • Page 195: Annex

    Stratos Multi E461N 14 Annex 14.1 Channel II Wiring Examples 14.1.1 pH Analog Wiring Examples Example 1, pH Analog Measuring task: pH, temperature, glass impedance Sensors (example): SE 555X/1-NS8N Cable (example): ZU 0318 1 Core 4 pH module 2 Shield 5 Cables...
  • Page 196 Stratos Multi E461N Example 2, pH Analog Measuring task: pH/ORP, temp., glass impedance, reference impedance Sensors (example): SE555X/1-NS8N, equipotential bonding: ZU0073 Temperature: e.g., Pt1000 Cable (example): 2x ZU0318 1 Core 4 Cables 2 Shield 5 Sensors 3 pH module...
  • Page 197 Stratos Multi E461N Example 3, pH Analog Measuring task: pH, temp, glass impedance Sensor: pH sensor e.g., SE 554X/1-NVPN, cable CA/VP6ST-003A Temperature detector: Integrated 1 Core, clear 6 Shield, yellow/green 2 Shield, red 7 pH module 3 Jumper! 8 VP cable...
  • Page 198 Stratos Multi E461N Example 4, pH Analog Measuring task: pH/ORP, temp., glass impedance, reference impedance Sensors (example): pH sensor, e.g., SE 555X/1-NVPN, cable CA/VP6ST-003A Temperature detector: Integrated 1 Equipotential bonding electrode ZU0073 6 White 2 Core, clear 7 Shield, yellow/green 3 Shield, red...
  • Page 199 Stratos Multi E461N Example 5, pH Analog Measuring task: pH/ORP, temp., glass impedance, reference impedance Sensors (example): PL PETR-120VP (pH/ORP combo sensor, SI Analytics) Cable (example): CA/VP6ST-003A 1 Core, transparent 6 Shield, yellow/green 2 Shield, red 7 pH module 3 Blue...
  • Page 200 Stratos Multi E461N Example 6, Pfaudler Sensor Channel II, requires TAN option FW-E017 “Pfaudler sensors” 1 Pfaudler probe 3 Cable 2 pH measuring module Module pH Reiner with EP  Differential, models Models 03/04 Models 03/04 VP connector 18/40 with EP  with EP ...

  • Page 201: Orp Analog Wiring Example

    Stratos Multi E461N 14.1.2 ORP Analog Wiring Example Note: Disable Sensocheck. Measuring task: ORP, temp., glass impedance, reference impedance Sensors (example): ORP: SE 564X/1-NS8N Cable (example): ZU 0318 1 Jumper! 4 pH module 2 Shield 5 Cables 3 Core 6 Sensors...

  • Page 202: Ism Ph Wiring Example

    Stratos Multi E461N 14.1.3 ISM pH Wiring Example Channel II, requires TAN option FW-E053 “Digital ISM sensors” Measuring task: pH/ORP, temp., glass impedance, reference impedance Sensors (example): InPro 4260i (Mettler-Toledo) Cable (example): AK9 (Mettler-Toledo) 1 Shield 4 Cables 2 Core...

  • Page 203: Contacting Conductivity Wiring Examples

    Stratos Multi E461N 14.1.4 Contacting Conductivity Wiring Examples Example 1, Cond Measuring task: Conductivity, temperature Sensors (principle): 4 electrodes 1 Place jumper across F and G when a 2-wire temperature probe is used! 2 Shield 4 Cables 3 Cond module...
  • Page 204 Stratos Multi E461N Example 2, Cond Measuring task: Conductivity, temperature Sensors (principle): 2 electrodes, coaxial 1 Jumper! 4 Cond module 2 Place jumper across F and G when a 2-wire temperature 5 Cables probe is used! 3 Shield 6 Sensors...
  • Page 205 Stratos Multi E461N Example 3, Cond Measuring task: Conductivity, temperature Sensors (example): 2-electrode sensor, SE604, cable ZU0645 1 White 8 Red 2 Pink 9 Black, shield 3 Brown 10 Cond module 4 Gray 11 Cables 5 Blue 12 Sensors 6 Green...
  • Page 206 Stratos Multi E461N Example 4, Cond Measuring task: Conductivity, temperature Sensors (example): 2-electrode sensor SE610 1 Jumper! 5 Yellow 2 Brown 6 Cond module 3 White 7 Fixed cable 4 Green 8 Sensors...
  • Page 207 Stratos Multi E461N Example 5, Cond Measuring task: Conductivity, temperature Sensors (example): 2-electrode sensor SE620 VP cable e.g., CA/VP6ST-003A 1 Coax core 7 Jumper! 2 Coax shield 8 Shield 3 Gray 9 Cond module 4 Blue 10 VP cable 5 Green...
  • Page 208 Stratos Multi E461N Example 6, Cond Measuring task: Conductivity, temperature Sensors (example): 2-electrode sensor SE630 1 Brown 7 Pink 2 Yellow 8 Black, shield 3 Green 9 Cond module 4 White 10 Cables 5 Gray 11 Sensors 6 Red 12 Sensor head connector...
  • Page 209 Stratos Multi E461N Example 7, Cond Measuring task: Conductivity, temperature Sensors (example): 4-electrode fringe-field sensor, SE600/SE603 1 Gray 7 Yellow 2 Pink 8 Green 3 Blue 9 Shield yellow/green 4 Red 10 Cond module 5 Brown, do not connect 11 Cables...

  • Page 210: Inductive Conductivity Wiring Examples

    Stratos Multi E461N 14.1.5 Inductive Conductivity Wiring Examples Example 1, Condl Measuring task: Inductive conductivity/temperature Sensors: SE655 or SE656 1 Core 7 Green 2 Shield 8 White 3 Coax red 9 Yellow 4 Shield 10 Shield green/yellow 5 Core 11 CondI module...
  • Page 211 Stratos Multi E461N Example 2, Condl Measuring task: Conductivity, temperature Sensor: SE660 1 Core 7 Green 2 Shield 8 White 3 Coax red 9 Yellow 4 Shield 10 Shield green/yellow 5 Core 11 CondI module 6 Coax BK 12 Cables...

  • Page 212: Dual Conductivity Wiring Examples

    Stratos Multi E461N 14.1.6 Dual Conductivity Wiring Examples Example 1, Dual Conductivity Measuring task: Dual conductivity, temperature Sensors A, B: 2x 2-electrode conductivity sensors 1 MK-CC065N module 3 Sensors 2 2x cable...
  • Page 213 Stratos Multi E461N Example 2, Dual Conductivity Measuring task: Dual conductivity, temperature Sensors A, B: 2x SE604 2-electrode conductivity sensor 1 White/pink 5 Black 2 Brown/gray 6 MK-CC065N module 3 Yellow/red 7 2x ZU0645 cable 4 Green 8 Sensors...
  • Page 214 Stratos Multi E461N Example 3, Dual Conductivity Measuring task: Dual conductivity, temperature Sensors A, B: 2x SE610 2-electrode conductivity sensor 1 White 5 Black 2 Brown 6 MK-CC065N module 3 Yellow 7 2x cable 4 Green 8 Sensors...

  • Page 215: Oxygen Wiring Examples

    Stratos Multi E461N 14.1.7 Oxygen Wiring Examples Standard Oxygen Wiring Example Measuring task: Oxygen (standard, amperometric) Sensors (example): e.g., SE706 Cable (example): CA/VP6ST-003A (ZU0313) 1 Core 5 Gray 2 Blue 6 Green 3 Jumper! 7 White 4 Shield 8 Outer shield...
  • Page 216 Stratos Multi E461N Trace Oxygen Measurement Wiring Example Measuring task: Trace oxygen measurement, TAN option FW‑E015 Sensors (example): Model “01” (e.g., SE707) Cable (example): CA/VP6ST-003A (ZU0313) 1 Core 5 Gray 2 Blue 6 Green 3 Jumper! 7 White 4 Shield...
  • Page 217 Stratos Multi E461N ISM Oxygen Wiring Example Channel II, requires TAN option FW-E053 “Digital ISM sensors” Measuring task: Oxygen (standard, amperometric) Sensors (example): InPro 6850i (Mettler-Toledo) Cable (example): AK9 (Mettler-Toledo) 1 Shield 4 Cables 2 Core 5 Sensor 3 Oxygen measuring module...

  • Page 218: Buffer Tables

    Stratos Multi E461N 14.2 Buffer Tables Buffer Table, Knick CaliMat Nominal values in bold. °C 2.01 4.05 7.09 9.24 12.58 2.01 4.04 7.07 9.16 12.39 2.01 4.02 7.04 9.11 12.26 2.00 4.01 7.02 9.05 12.13 2.00 4.00 7.00 9.00 12.00 2.00...
  • Page 219 Stratos Multi E461N Buffer Table, Merck/Riedel Nominal values in bold. °C 2.01 4.05 7.13 9.24 12.58 2.01 4.04 7.07 9.16 12.41 2.01 4.02 7.05 9.11 12.26 2.00 4.01 7.02 9.05 12.10 2.00 4.00 7.00 9.00 12.00 2.00 4.01 6.98 8.95 11.88...
  • Page 220 Stratos Multi E461N Buffer Table, NIST Standard (DIN 19266: 2015-05) Nominal values in bold. °C 1.666 4.000 6.984 9.464 1.668 3.998 6.951 9.395 13.207 1.670 3.997 6.923 9.332 13.003 1.672 3.998 6.900 9.276 12.810 1.675 4.000 6.881 9.225 12.627 1.679 4.005...
  • Page 221 Stratos Multi E461N Buffer Table, NIST Technical Buffers Nominal values in bold. °C 1.67 4.00 7.115 10.32 13.42 1.67 4.00 7.085 10.25 13.21 1.67 4.00 7.06 10.18 13.01 1.67 4.00 7.04 10.12 12.80 1.675 4.00 7.015 10.06 12.64 1.68 4.005 7.00...
  • Page 222 Stratos Multi E461N Buffer Table, Kraft Nominal values in bold. °C 2.01 4.05 7.13 9.24 11.47 2.01 4.04 7.07 9.16 11.47 2.01 4.02 7.05 9.11 11.31 2.00 4.01 7.02 9.05 11.15 2.00 4.00 7.00 9.00 11.00 2.00 4.01 6.98 8.95 10.85...
  • Page 223 Stratos Multi E461N Buffer Table, Hamilton B Nominal values in bold. °C 1.99 4.01 6.03 9.31 11.42 1.99 4.01 6.02 9.24 11.33 2.00 4.00 6.01 9.17 11.25 2.00 4.00 6.00 9.11 11.16 2.00 4.00 6.00 9.05 11.07 2.00 4.01 6.00 9.00...
  • Page 224 Stratos Multi E461N Buffer Table, Ciba (94) Nominal values: 2.064.00 7.00 10.00 °C 2.04 4.00 7.10 10.30 2.09 4.02 7.08 10.21 2.07 4.00 7.05 10.14 2.08 4.00 7.02 10.06 2.09 4.01 6.98 9.99 2.08 4.02 6.98 9.95 2.06 4.00 6.96 9.89...
  • Page 225 Stratos Multi E461N Buffer Table, Reagecon Nominal values in bold. °C 2.01 4.01 7.07 9.18 12.54 2.01 4.01 7.07 9.18 12.54 2.01 4.00 7.07 9.18 12.54 2.01 4.00 7.04 9.12 12.36 2.01 4.00 7.02 9.06 12.17 2.00 4.00 7.00 9.00 12.00...

  • Page 226: Calibration Solutions

    Stratos Multi E461N 14.3 Calibration Solutions Potassium Chloride Solutions (Conductivity in mS/cm) Temperature Concentration [˚C] 0.01 mol/l 0.1 mol/l 1 mol/l 0.776 7.15 65.41 0.896 8.22 74.14 1.020 9.33 83.19 1.147 10.48 92.52 1.173 10.72 94.41 1.199 10.95 96.31 1.225 11.19...
  • Page 227 Stratos Multi E461N Sodium Chloride Solutions (Conductivity in mS/cm) Temperature Concentration [˚C] 0.01 mol/l 0.1 mol/l 1 mol/l 0.631 5.786 134.5 0.651 5.965 138.6 0.671 6.145 142.7 0.692 6.327 146.9 0.712 6.510 151.2 0.733 6.695 155.5 0.754 6.881 159.9 0.775 7.068...

  • Page 228: Tan Options

    Stratos Multi E461N 14.4 TAN Options The functions described below are available after enabling their TAN options. Option Activation, p. 47 ➜ 14.4.1 pH Buffer Table: Entry of Individual Buffer Set (FW-E002) The FW-E002 add-on function must be activated in the device with a TAN for the specifiable buffer table.
  • Page 229 Buffer set: Fill in your configuration data or use the table as original for copy. Temperature (°C) Buffer 1 Buffer 2...

  • Page 230: Current Characteristic (Fw-E006)

    Stratos Multi E461N 14.4.2 Current Characteristic (FW-E006) The FW-E006 add-on function must be activated in the device with a TAN for the specifiable current characteristic. Option Activation, p. 47 ➜ Assignment of output current to process variables in 1-mA increments.
  • Page 231 Stratos Multi E461N Specifying a Concentration Solution for Conductivity Measurement To specify the customer-specific solution, 5 concentration values A-E are entered in a matrix together with 5 temperature values 1-5. First enter the 5 temperature values, then the corresponding conduc- tivity values for each of the concentrations A-E.
  • Page 232 Stratos Multi E461N Concentration Curves Conductivity [mS/cm] versus substance concentration [wt%] and media temperature [°C] Sodium Chloride Solution NaCl c [wt%] 1 Range within which concentration determination is not possible. Hydrochloric Acid HCl c [wt%] 1 Range within which concentration determination is not possible.
  • Page 233 Stratos Multi E461N Sodium Hydroxide Solution NaOH c [wt%] 1 Range within which concentration determination is not possible. Sulfuric Acid H c [wt%] 1 Range within which concentration determination is not possible.
  • Page 234 Stratos Multi E461N Nitric Acid HNO c [wt%] 1 Range within which concentration determination is not possible. Oleum H •SO 120 °C 100 °C 85 °C 70 °C 55 °C 40 °C 25 °C 10 °C c [wt%] 1 Range within which concentration determination is not possible.

  • Page 235: Pfaudler Sensors (Fw-E017)

    Stratos Multi E461N 14.4.4 Pfaudler Sensors (FW-E017) This option enables simultaneous pH and temperature measurements using Pfaudler pH sensors or pH sensors with a zero point other than pH 7 and/or a deviating slope, e.g., pH sensors with a zero point at pH 4.6.
  • Page 236 Stratos Multi E461N Isothermal Intersection Point The isothermal intersection point is the intersection of two calibration lines plotted for two different temperatures. The coordinates of this intersection are labeled V and pH . The isothermal intersection point remains constant for each sensor.

  • Page 237: Calculation Blocks (Fw-E020)

    Stratos Multi E461N 14.4.5 Calculation Blocks (FW-E020) After activating TAN option FW-E020, two calculation blocks that can convert existing process variables to new variables are available. Option Activation, p. 47 ➜ In addition, the general device status (NAMUR signals) is taken into account.
  • Page 238 Stratos Multi E461N Cond, Cond Calculation (Admin.) Temperature Diff. Diff. = (B-A) Diff. = (B-A) Cond Diff. Diff. = (A-B) Resistivity Diff. Diff. = (B-A) Ratio Diff. = abs(A-B) Passage Rejection Back Process Variable Combination in Calculation Block Process Variable...
  • Page 239 Stratos Multi E461N When calculating Cond/Cond, it is possible to determine a pH value from the measured conductivity values. Settings can be changed in the submenu: pH Value Adjustable Parameters for pH Value Calculation   Parameter Setting [CI/II] Cond/Cond Calculation...
  • Page 240 Stratos Multi E461N Recommended pH ranges: 10 ± 0.2 for < 136 bar operating overpressure or 9.5 ± 0.2 for > 136 bar operating overpressure µS/cm µS/cm Conductivity measured downstream of the cation exchanger (Cond2) Conditioning of water in natural circulation boilers with sodium hydroxide. Relationship between the pH value and the conductivity measured upstream and downstream of the cation exchanger.

  • Page 241: Digital Ism Sensors (Fw-E053)

    Stratos Multi E461N 14.4.6 Digital ISM Sensors (FW-E053) This option enables the use of digital ISM sensors to measure pH, ORP, and oxygen (amperometric). The FW-E053 add-on function must be activated in the device with a TAN for this purpose.

  • Page 242: Parameter Sets 1-5 (Fw-E102)

    Stratos Multi E461N 14.4.7 Parameter Sets 1-5 (FW-E102) The FW-E102 add-on function must be activated in the device with a TAN for use of parameter sets 1-5. Option Activation, p. 47 ➜ Saving a Parameter Set on the Data Card 2 complete parameter sets (A, B) are stored in the device.

  • Page 243: Measurement Recorder (Fw-E103)

    Stratos Multi E461N 14.4.8 Measurement Recorder (FW-E103) The FW-E103 add-on function must be activated in the device with a TAN for use of the measurement recorder. Option Activation, p. 47 ➜ The measurement recorder logs measured values and additional values depending on its parameter setting.
  • Page 244 Stratos Multi E461N Deleting the Measurement Recorder’s Data:   Parameter Setting System Control Measurement Recorder Saving to Data Card Note: The device's internal memory has limited capacity and continuously overwrites the oldest data set after reaching maximum memory capacity. For recording sessions that take a long time, a data card is absolutely necessary.

  • Page 245: Firmware Update (Fw-E106)

    Stratos Multi E461N 14.4.9 Firmware Update (FW-E106) Note: First check whether your device really requires a firmware update. The FW-E106 add-on function must be activated in the device with a TAN for the firmware update. Option Activation, p. 47 ➜...

  • Page 246: Profinet Technology

    Stratos Multi E461N meets the requirements for class B (CC-B). This means that the devices and the network infrastructure are certified products and structured according to PROFINET IO guidelines.

  • Page 247: Abbreviations

    Stratos Multi E461N 16 Abbreviations Width across flats Analog input Analog output Category CC‑A/B/C/D Conformance classes Cleaning in place Diagnostics Discovery and basic configuration protocol Digital output Electromagnetic compatibility Electrostatic discharge Firmware Generic station description (device master file) GSDML GSD markup language I&M...

  • Page 248: Index

    Stratos Multi E461N Index 2-channel conductivity measurement Oxy parameter setting  98 pH parameter setting  69 Calculation Blocks (FW-E020) Calibration record Abbreviations Calibration solutions Access control Calibration timer Change passcodes  48 ORP parameter setting  74 Adapter cable RJ45/M12 D-type ZU1073 Oxy parameter setting  98...
  • Page 249 Stratos Multi E461N Output filter  57 Favorites menu Parameter setting  55 Firmware repair Span, examples  55 Firmware update Current source First adjustment Custom FW Update/Repair Card Flow measurement Cyclic data transfer Formats/units, parameter setting Function blocks Function check Signaling via relay contact  58...
  • Page 250 Stratos Multi E461N Locking a Function Message list Logarithmic curve Displays  150 Logbook Error messages, overview  157 Delete entries  47 Messages Display entries  150 Conductivity parameter setting  82, 90 Parameter setting  47 ORP parameter setting  75 Oxygen parameter setting  99 pH parameter setting  71...
  • Page 251 Stratos Multi E461N Oxygen Process variable pH Calibration/Adjustment  142 Buffer Tables  218 Parameter setting  92 Calibration/Adjustment  118 Wiring examples, analog sensors  215 Individual buffer set (FW-E002)  228 Parameter setting  63 Wiring examples, analog sensors  195 Product calibration Package contents PROFINET  107...
  • Page 252 Stratos Multi E461N Safety chapter TAN option Safety Guide Activate  47 Safety Instructions Descriptions  228 Salinity correction Overview  12 Save device settings TAN option FW-E002 pH buffer table Sensocheck TAN option FW-E006 Current characteristic Sensoface TAN option FW-E009 Concentration determination Criteria  173...
  • Page 253 Stratos Multi E461N Warnings Wiring examples Conductivity (contacting)  203 Conductivity (dual)  212 Conductivity (inductive)  210 ORP analog  201 Oxygen, analog  215 pH analog  195 Y cable RJ45/M12 D-type ZU1139 Zero correction CondI  140 Oxygen  147 ZU1072 RJ45 socket ZU1073 adapter cable RJ45/M12 D-type...
  • Page 254 Knick Elektronische Messgeräte GmbH & Co. KG Headquarters Beuckestraße 22 • 14163 Berlin Germany Phone: +49 30 80191-0 Fax: +49 30 80191-200 info@knick.de www.knick.de Local Contacts www.knick-international.com Translation of the original instructions Copyright 2022 • Subject to change Version 1 • This document was published on February 09, 2022.

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