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Knick MemoTrans User Manual

Compact multiparameter transmitter
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MemoTrans
Compact multiparameter
transmitter
www.knick.de

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Summary of Contents for Knick MemoTrans

  • Page 1 MemoTrans User Manual Compact multiparameter transmitter Read before installation. www.knick.de Keep for future use.
  • Page 2 MemoTrans 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

    MemoTrans Table of Contents 1 Basic Safety Instructions......................1.1 Personnel Requirements............................ 1.2 Intended Use................................1.3 Symbols and Markings on the Product ......................1.4 Occupational Safety ............................1.5 Operational Safety ............................... 2 Product Description ........................2.1 Product Design..............................3 Incoming Acceptance and Product Identification ..............
  • Page 4 MemoTrans 11 Diagnostics and Troubleshooting ....................26 11.1 Diagnostic Information via LED........................26 11.2 Adapting the Diagnostic Information......................26 11.3 Adapting Sensor Diagnostic Information....................27 11.4 Simulation................................35 11.5 Diagnostic List ............................... 36 11.6 Event Logbook ..............................46 11.7 Resetting the Measuring Device........................46 11.8 Device Information ..............................

  • Page 5: Basic Safety Instructions

    MemoTrans 1 Basic Safety Instructions 1.1 Personnel Requirements • Installation, commissioning, operation, and maintenance of the measuring system may be carried out only by specially trained technical personnel. • The technical personnel must be authorized by the system operator to carry out the specified activities.

  • Page 6: Operational Safety

    MemoTrans 1.5 Operational Safety Before commissioning the entire measuring point: Verify that all connections are correct. Ensure that electrical cables and hose connections are undamaged. Do not operate damaged products, and protect them against unintentional operation. Label damaged products as defective.

  • Page 7: Product Description

    MemoTrans 2 Product Description 2.1 Product Design 1 Cable 3 Memosens connection 2 Housing 4 LED, for optical signaling of operating statuses of measuring point 2.1.1 Measuring Parameters The transmitter is designed for Memosens sensors with inductive connector: • pH, ORP, pH/ORP combo sensors •...

  • Page 8: Incoming Acceptance And Product Identification

    MemoTrans 3 Incoming Acceptance and Product Identification 3.1 Incoming Acceptance Verify that the packaging is undamaged. ✓ Notify the supplier of any damage to the packaging. Keep the damaged packaging until the issue has been resolved. Verify that the contents are undamaged.

  • Page 9: Installation

    MemoTrans 4 Installation 4.1 Dimensions Note: All dimensions are given in millimeters [inches].

  • Page 10: Electrical Connection

    MemoTrans 5 Electrical Connection WARNING! Device is live Incorrect connection may result in injury or death. • The electrical connection may be performed only by a licensed electrician. • The licensed electrician must have read and understood this User Manual and must follow the instructions contained therein.

  • Page 11: Operating Options

    MemoTrans 6 Operating Options 6.1 Overview of Operating Options Operation and settings via: • PLC control station (via HART) 6.2 Structure and Function of the Operating Menu In the Home view, the current measured values are displayed along with the device information (tag, serial number, firmware version, order code).

  • Page 12: System Integration

    MemoTrans 7 System Integration 7.1 Integrating the Compact Transmitter into the System For measured value transmission: • 4 … 20 mA • HART 7.1.1 HART In addition to the analog 4 … 20 mA signal, further measured values and the status of the device can be transmitted digitally via the HART protocol.

  • Page 13: Commissioning

    1 PLC (programmable logic controller) 4 Sensor 2 Junction box 5 Option: HART control unit 3 MemoTrans 6 Digital panel meter 8.1 Preparatory Steps Connect the device. The device starts up and transmits the measured value as a current value.
  • Page 14 MemoTrans 8.2.1 LED Display LED messages signal the status of the device and sensor. LED behavior Status Green Everything OK. Blinks quickly Device starting up. Green Everything OK. Blinks twice Read out Memosens sensor information from sensor to transmitter (sensor type, calibration data, etc.)

  • Page 15: Date And Time

    MemoTrans 8.3 Date and Time Configure the date and time in   System Date Time Note: The date and time function runs only while the device is supplied with power. They must be reset if the power supply is interrupted.
  • Page 16 MemoTrans 8.4.2 Configuring the Sensor Path: Application Function Options Info Sensor Sensor-dependent settings Sensor type Display the sensor type Order code Order code of sensor Display % value Display ORP as percentage (pH/ORP combo sensors only) Damping The damping causes a floating average curve of the measured values over the time specified.
  • Page 17 MemoTrans Temp. compensation Selection Decide how you want to compensate the medium temperature: • Off • Automatically using the temperature sensor of your sensor (ATC) • Automatic • Manually by entering the medium temperature • Manual • Not at all...
  • Page 18 MemoTrans Calibration Settings Path:   Application Sensor Calibration settings Function Options Info pH, ORP, pH/ORP, ISFET Stability criterion Once the stability criterion is met, the measured value is displayed in mV. Delta mV Measured value depending on connected sensor 1 … 10 mV...
  • Page 19 MemoTrans Function Options Info Oxygen: Stability criteria Delta signal Permitted measured value fluctuation during 0.1 … 2.0% calibration. Factory setting Referenced to the raw value in nA in the case of 0.2 % amperometric sensors. Delta temperature Permitted thermal fluctuation during calibration.
  • Page 20 MemoTrans Function Options Info Warning limit Warning and alarm limits mutually influence each 1 … 20,000 h other's possible adjustable range. Factory setting 800 h Alarm limit Warning and alarm limits mutually influence each 1 … 20,000 h other's possible adjustable range. Factory setting 1000 h 8.4.3 Current Output...
  • Page 21 MemoTrans Function Options Info SV value Protocol-specific data, dynamic variables of HART pH, ISFET, ORP, and pH/ORP units communication. TV value • pH SV = secondary QV value • Raw value pH, mV(pH) TV = tertiary • Glass impedance QV = quaternary •...

  • Page 22: Configuration Management

    MemoTrans Function Options Info Calibration hold During calibration, the output signal is set to “Hold”. Selection • No • Yes Factory setting 8.5 Configuration Management Display the following configurations: For general system information Path:  System System information For general HART information Path: ...

  • Page 23: Operation

    MemoTrans 9 Operation 9.1 Reading Measured Values The display of the primary values is dependent on the connected sensor. Function Measured values For pH glass, ISFET, ORP, or pH/ORP combo sensors: • pH • Raw value pH • Impedance glass •...

  • Page 24: Adapting The Measuring Device To The Process Conditions

    MemoTrans 9.1.1 Changing the Parameters The device functions according to the plug & play principle of Memosens technology. However, to ensure that the settings of the previous sensor type do not get lost, the new sensor type must be selected in the software.

  • Page 25: Calibration

    MemoTrans 10 Calibration 10.1 pH Sensor The measured value is adjusted with a known reference value (buffer solution or known 1-point calibration medium). The zero offset is stored in the sensor. 2-point calibration Calibration adjustment of zero point and slope of the sensor with 2 buffers.

  • Page 26: Diagnostics And Troubleshooting

    MemoTrans 11 Diagnostics and Troubleshooting 11.1 Diagnostic Information via LED See LED display in the Commissioning chapter. LED Display, p. 14 ➜ 11.2 Adapting the Diagnostic Information Path:  Diagnostics Diagnostic settings Function Options Info Sensor change alarm Sensor HOLD 0 … 180 s...

  • Page 27: Adapting Sensor Diagnostic Information

    MemoTrans 11.3 Adapting Sensor Diagnostic Information This menu branch is used for specifying warning limits, and for defining whether and how diagnostics tools should be used. 11.3.1 Impedance Monitoring Path:    Application Sensor Extended setup Diagnostic settings Function...
  • Page 28 MemoTrans 11.3.2 ORP Measured Value Function Options Info Upper limit Selection On: The Sensor Check System (SCS) operates with the following settings for the upper warning and alarm limits. • Off Off: Monitoring of the upper warning and alarm limits is switched off.
  • Page 29 MemoTrans 11.3.3 Slope pH, pH/ORP, oxygen Path:    Application Sensor Extended setup Diagnostic settings Function Options Info Slope The slope characterizes the sensor condition. The greater the deviation from the ideal value (pH), the worse the condition of the sensor.
  • Page 30 MemoTrans Function Options Info Function Switches the function on or off Selection • Off • On Factory setting Warning limit Specify your limit values for monitoring the slope differential. 0.0 … 50.0 % Diagnostics code and associated message text: Factory setting 518 Sensor calibration 5.0 %...
  • Page 31 MemoTrans 11.3.6 Delta Zero Point/Operating Point pH, ISFET, Oxygen Path:    Application Sensor Extended setup Diagnostic settings Function Options Info pH, pH/ORP, ISFET Delta zero point/ The device determines the difference between the last calibra- operating point (ISFET) tion and the penultimate calibration, and issues a warning or an alarm depending on the setting configured.
  • Page 32 MemoTrans Function Options Info Operating time > 100 °C Diagnostics code and associated message text: Factory setting (pH, ORP, pH/ORP, ISFET Dependent on sensor 194 Operating time only) Operating time > 120 °C Factory setting Diagnostics code and associated message text: (not for pH, ORP)
  • Page 33 MemoTrans 11.3.9 Sensor Condition Check (SCC) Function Options Info Sensor condition check Sensor condition check (SCC) monitors the electrode status and the degree of electrode aging. The condition of the electrode is updated after every calibration. The main reasons for a deteriorating electrode status are: •...
  • Page 34 MemoTrans 11.3.12 Pharmaceutical Water Path:    Application Sensor Extended setup Diagnostic settings Function Options Info Pharmaceutical water Here you can make settings for monitoring pharmaceutical water in accordance with the United States Pharmacopoeia (USP) or European Pharmacopoeia (EP).

  • Page 35: Simulation

    MemoTrans 11.4 Simulation You can simulate certain parameters for test purposes: • Current value • Measured value • Temperature Path:  Diagnostics Simulation Function Options Info Current output Simulation of an output current. Simulation Selection Switch simulation on or off.

  • Page 36: Diagnostic List

    MemoTrans 11.5 Diagnostic List Diagnostic Messages In accordance with Namur specification NE107, the diagnostic messages are characterized by: • Message number • Error category (letter in front of the message number) ◦ F = (Failure) a malfunction has been detected.
  • Page 37 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 100 Sensor Sensor not communicating. communication 1. Check sensor connection. 2. Check sensor connector. 3. Contact the Service Department. 102 Calibration timer Calibration interval elapsed. Measurement can still take place.
  • Page 38 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 122 Sensor glass P (glass) Impedance limit values exceeded/ undershot. 123 Sensor glass P (glass) Measuring can continue until the alarm 124 Sensor glass P (glass) (122, 124) occurs.
  • Page 39 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 164 Sensor data invalid No temperature calibration data. Factory calibration is used. 1. Check process. 2. Check or replace sensor. 168 Polarization C (cond.) Polarization warning. The measured value is corrupted at high conductivity levels.
  • Page 40 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 189 Operating time Operating hours > 5 °C, measurement can still take place. 1. Replace sensor. 2. Change monitoring limit. 3. Disable monitoring. 191 Operating time Operating hours > 30 °C, measurement can still take place.
  • Page 41 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 241 Firmware error Software error - internal 1. Carry out software update. 2. Replace backplane. 3. Please contact the Service Department and quote the number shown. 243 Firmware error Software error - internal 1.
  • Page 42 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 500 Sensor calibration Calibration aborted, main measured value varies. Reasons: sensor too old, sensor occasion- ally dry, calibration value not constant. 1. Check sensor. 2. Check calibration solution.
  • Page 43 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 513 Zero warning O (amp.) Zero point warning. Measurement can still take place. Possible reasons: sensor old or defective, reference blocked, calibration solution too old or contaminated 1.
  • Page 44 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 534 Electrolyte warning Electrolyte depletion warning. The configured electrolyte depletion limit has been reached. Measurement is still possible. 1. Replace electrolyte and, if necessary, the membrane cap.
  • Page 45 MemoTrans No. Message S  D  F  Sensor type Configurable Tests or remedial action 734 Calibration quality Min. calibration quality warning. Measurement can still take place. There is a significant change in calibration quality since the last calibration. 1. Repeat calibration.

  • Page 46: Event Logbook

    MemoTrans 11.6 Event Logbook  Diagnostics Diagnostics logbook Function Info Diagnostics code Diagnostic number and brief text Time Time when diagnostic message occurred. Event Indicate whether message is going or coming. Status signal Error category and fault elimination Long text Troubleshooting steps 11.7 Resetting the Measuring Device...

  • Page 47: Maintenance

    MemoTrans 12 Maintenance 12.1 Remarks The maintenance of the measuring point comprises: • Calibration • Cleaning the compact transmitter, fitting, and sensor • Checking the cables and connections WARNING! Process pressure and temperature, contamination. Risk of serious or fatal injury.

  • Page 48: Repair

    MemoTrans 13 Repair 13.1 General Notes 13.2 Return The product must be returned if repairs or a factory calibration are required, or if the wrong product was ordered or delivered. To ensure safe, professional, and swift product returns, please contact your local Sales Center for information on the procedure to be followed and general conditions.

  • Page 49: Specifications

    MemoTrans 14 Specifications Input Multiparameter Memosens input for pH, ORP sensors and ISFET, conductivity and oxygen sensors Measured value transmission 4 … 20 mA HART Measuring range See documentation for connected sensor pH, ORP display range  pH value: -2.00 … 16.00 pH raw value: -2000 … 2000 mV Glass impedance: 0.0 … 200,000.0 MΩ...
  • Page 50 MemoTrans Oxygen sensor standardization Slope Operating modes Zero point Electrolyte Save electrolyte replacement Save membrane cap Calibration timer 0000 … 10,000 h (hours) Measurement error ± 50 µA at 20 mA T = 25 °C / 77 °F ± 20 µA at 4 mA T = 25 °C / 77 °F Temperature drift: Max.
  • Page 51 MemoTrans Nominal Operating Conditions Ambient temperature –20 … 85 °C / -4 … 185 °F Transport / storage -40 … 85 °C / -40 … 185 °F temperature Process temperature Fitting in measuring position: T(process) = max. 100 °C / 212 °F, continuous operation T(ambient) = max. 60 °C / 140 °F, continuous operation Fitting in service position T(process) = max.

  • Page 52: Power Supply

    MemoTrans 15 Power Supply Supply voltage 12.6 … 30 V DC (with setting fault current > 20 mA) 14 … 30 V DC (with setting fault current < 4 mA) The lower voltage value in each case applies only to a load resistance of 0 Ohm. NOTICE! The device does not have a power switch.

  • Page 53: Index

    MemoTrans Index Ambient temperature Maintenance Approvals Measuring parameters Medium compensation Messages Calibration Calibration settings Calibration, calibration method Nameplate Cap calibrations Nominal operating conditions CE mark Notes on safety information Certificates Cleaning Commissioning Occupational safety Configuration Operating hours Connection establishment Operating menu...
  • Page 54 MemoTrans Use, intended Warnings...
  • Page 55 MemoTrans Notes...
  • Page 56 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 2 • This document was published on April 05, 2022.

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