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User Manual
E126-P-EL
FLOWCOMPUTER
with temperature compensation
for corrected liquid volume
Signal input:
Flowmeter - type P: Pulse, NAMUR and coil
Temperature - type TP: PT100 2-, 3- or 4-wire
Temperature - type TA: (0)-20mA
Signal output:
Analog - 4-20mA ref. corrected flowrate
Pulse - scaled pulse ref. corrected total
Remote control:
External reset with clear-lock
Options:
Modbus communication, USB communication
E-Series - Explosion proof indicators for hazardous areas
More info: www.fluidwell.com/eseries
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Related Manuals for Fluidwell E126-P-EL
Summary of Contents for Fluidwell E126-P-EL
- Page 1 Temperature - type TA: (0)-20mA Signal output: Analog - 4-20mA ref. corrected flowrate Pulse - scaled pulse ref. corrected total Remote control: External reset with clear-lock Options: Modbus communication, USB communication E-Series - Explosion proof indicators for hazardous areas More info: www.fluidwell.com/eseries...
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Page 2: Table Of Contents
User Manual E126-P-EL TABLE OF CONTENTS ABOUT THIS MANUAL ......................How to use this manual....................Use of pictograms ......................Warranty and technical support ..................Model Reference......................SAFETY............................ Personal safety ....................... End-user responsibilities ....................Potential equipment damage ..................Disposal of electronic waste ................... - Page 3 E126-P-EL User Manual Mechanical installation ....................39 6.3.1 Installation precautions ....................39 6.3.2 Mechanical dimensions....................40 6.3.3 Mounting the unit......................40 Electrical installation......................42 6.4.1 Electrical precautions ...................... 42 6.4.2 Grounding of the enclosure..................... 43 6.4.3 Electrical ratings......................43 6.4.4 Voltage selection sensor supply..................
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Page 4: About This Manual
● incorrect functioning of the unit or connected instruments. A note informs you of important information. WARRANTY AND TECHNICAL SUPPORT For warranty and technical support on your Fluidwell products, visit our internet site www.fluidwell.com or contact us at support@fluidwell.com. MODEL REFERENCE Hardware version: 13.03.xx... -
Page 5: Safety
E126-P-EL User Manual SAFETY PERSONAL SAFETY ● Explosion hazard: Never open the unit in a hazardous area when it is connected to a power supply or a consuming device other than the internal battery supply. ● Risk of electric shock: Only open the unit if all leads are free of potential electrical energy. -
Page 6: Introduction
Fig. 1: The E126-P-EL This manual describes the daily use, configuration and installation of the standard unit (with pulse input from a flowmeter) and its available options. The following figure shows the E126-P-EL used in a typical application. Fig. 2: Typical application... -
Page 7: Product Features
● One flowmeter with a passive or active pulse, NAMUR or coil signal output can be connected to the E126-P-EL. Several options are available for powering the sensor. ● Status input to reset total remotely or to lock the ‘clear total’ key. -
Page 8: Installation Example
User Manual E126-P-EL INSTALLATION EXAMPLE Following parts can be recognized in below installation example. Fig. 3: Installation example E126-P-EL 1. Cover 4. Display 7. Grounding 2. Armed cable connection 5. Optical touch keys 8. Labels 3. Pipe mounting plate 6. Process mount 9. -
Page 9: Operation
Section 2: Safety [»5] INTRODUCTION This chapter describes the daily use and operation of the E126-P-EL. For this, the unit is equipped with a control panel that provides the operator with various functions, information and operating modes. 4.1.1... -
Page 10: Optical Keys
User Manual E126-P-EL The display contains one line with large digits at the top and one line with small digits at the bottom. The top line is mainly used to display key process information, while the bottom line usually displays less important information or system messages. -
Page 11: Backlight
E126-P-EL User Manual The Key lock symbol appears at the top of the display to indicate that the keys are locked or disabled: Fig. 5: Key lock symbol To unlock the optical keys, an unlock sequence needs to be performed. Start the unlock sequence by activating any of the optical keys. - Page 12 User Manual E126-P-EL CLEAR-key This key is used to clear the value of total. The CLEAR-key also provides access to the LOG-mode, to review historical day totals. Selecting displayed information By pressing the SELECT-key, all relevant information can be reviewed on the display. When no key is pressed for 20 seconds, the display will jump back to the main screen.
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Page 13: Displayed Information
E126-P-EL User Manual 2. Push the CLEAR-key. The display shows the message ‘PUSH CLEAR’ on the bottom line and Total on the top line. 3. To clear Total, push the CLEAR-key again. To cancel the operation, push any other key or wait for 20 seconds. -
Page 14: Line Temperature
User Manual E126-P-EL Historical day totals Besides directly reviewing the Current Day Total and Previous Day Total, a list of the last 15 Previous Day Totals is saved. TOTAL Fig. 7: Example of historical day total from 8 days ago The list can be reviewed in LOG-mode in the following way: 1. -
Page 15: Internal Error
E126-P-EL User Manual 4.5.3 INTERNAL ERROR When an internal error occurs, the alarm flag starts flashing to indicate this. If the alarm flag shows because of an internal error, the alarm code can be displayed by pushing the SELECT-key repeatedly until the internal alarm screen is shown. -
Page 16: Configuration
This chapter describes how technicians can use configuration settings to configure the unit for optimal functionality. Configuration of the E126-P-EL can be done through: ● SETUP-mode using the optical keys (with cover installed) ● SETUP-mode using the mechanical keys (push buttons) (without cover) ●... -
Page 17: Configuring Using Pc Configuration Tool
E126-P-EL User Manual 5.2.1 CONFIGURING USING PC CONFIGURATION TOOL Configuration of the E126-P-EL can be done using a PC with our free of charge Remote Configuration Tool software. Consult for details. Section D: Remote Configuration Tool [»69] Connection to a PC is made by means of the communication port, located at the back side of the MEM. -
Page 18: Saving Battery Lifetime (Type Pb)
User Manual E126-P-EL Fig. 13: Disable switch for optical keys Use this switch to permanently disable the optical keys: ● Enable: move to the right / ON position. ● Disable: move to the left / OFF position. 5.2.4 SAVING BATTERY LIFETIME (TYPE PB) In case of a battery powered application, lifetime of the battery is an important subject. -
Page 19: Changing Configuration Settings
E126-P-EL User Manual The following image shows the layout of the menu structure: SELECT CLEAR PROG CLEAR Fig. 14: SETUP menu layout and navigation Navigate the SETUP menu with the following functions: PROG-key When a menu item is selected (e.g. 1.1), this key is used to start the programming sequence. -
Page 20: Returning To Operator Mode
User Manual E126-P-EL SELECT-key + CLEAR-key SELECT CLEAR The combination of the SELECT-key and CLEAR-key is used to select a negative value. When a value can also be entered as a negative number, pressing the SELECT- key and CLEAR-key simultaneously will toggle the ‘–‘ (minus) sign on and off. - Page 21 E126-P-EL User Manual DISPLAY DEFAULT FUNCTION total, flowrate, acc. total total DAY TOTALS off, operate, hidden TOGGLE enable, disable disable LCD NEW fast, 1 sec, 3 secs, 15 secs, 30 secs, off 1 sec BACKLIGHT 0%, 20%, 40%, 60%, 80%, 100%...
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Page 22: Setup Menu Explanations
User Manual E126-P-EL MODBUS COMMUNICATION DEFAULT SPEED 1200, 2400, 4800, 9600, 9600HP, 19200, 38400 9600 ADDRESS 001 - 247 MODE off, bus asc, bus rtu bus rtu DATABITS 8 bits, 7 bits 8 bits PARITY none, even, odd none OTHERS DEFAULT 10.1... -
Page 23: Menu 2: Flowrate
E126-P-EL User Manual TOTAL 1.6 CONTRACT HOUR The contract hour can be set to any hour of the day in steps of 1 hour. When the system clock reaches the time set in Contract hour: the Current Day Total is copied to the Previous Day Total. -
Page 24: Menu 3: Display
User Manual E126-P-EL FLOWRATE 2.5 FILTER Stabilizes the flowrate reading. This digital filter setting produces a more stable but less actual reading. The filter principal is based on three input values: the filter level (01-99), the last calculated flowrate, and the last average value. -
Page 25: Menu 4: Flowmeter
5.5.4 MENU 4: FLOWMETER To simplify the configuration of the Flowmeter, Total and Flowrate settings, the E126-P-EL has an automatic unit conversion feature. To use this feature, you only have to enter the average K-factor and the related measurement unit. - Page 26 User Manual E126-P-EL FLOWMETER 4.1 SIGNAL Selects the type of flowmeter pickup / signal. The unit can process several types of input signal. The settings with LP are used to apply a built-in low- pass filter. Also see Section 6.4.10: Terminals S1-S3: Flowmeter input [»47] for more information.
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Page 27: Menu 5: Temperature - With Type Tp (Pt100)
E126-P-EL User Manual 5.5.5 MENU 5: TEMPERATURE - WITH TYPE TP (PT100) TEMPERATURE - WITH TYPE TP (PT100) 5.1 DISPLAY Sets the temperature unit for the operator. This setting does not influence the actual calculations. 5.2 NO. OF WIRES Sets the number of wires for the PT100 sensors. -
Page 28: Menu 6: Formula
User Manual E126-P-EL TEMPERATURE - WITH TYPE TA (4-20MA) 5.4 FILTER Stabilizes the temperature reading. This digital filter setting produces a more stable but less actual reading. The filter principal is based on three input values: the filter level (01-99), the last calculated temperature, and the last average value. -
Page 29: Menu 7: Analog Output
E126-P-EL User Manual FORMULA 6.2 THERMAL EXP. Enter the thermal expansion coefficient α (in 10 / K) for the liquid used. COEFFICIENT The decimal position is fixed. The default value of 0000.000 disables the volume correction. Examples: Calculation of the thermal expansion coefficient: α... -
Page 30: Menu 8: Pulse Output
User Manual E126-P-EL ANALOG OUTPUT 7.5 TUNE MIN (4MA) Use this setting to precisely tune the minimum analog output value (initial value is 4 mA). This value can differ slightly due to ambient influences such as temperature. Before tuning the signal, make sure the analog signal is not being used for any application. -
Page 31: 5.5.10 Menu 9: Modbus Communication
SELECT-key, then press the CLEAR key to set the digits. 5.5.10 MENU 9: MODBUS COMMUNICATION The E126-P-EL can optionally be equipped with a communication interface that uses the Modbus protocol (Type CB/CH/CU). See for a detailed explanation Section C: Modbus communication [»62]... -
Page 32: 5.5.11 Menu 10: Others
User Manual E126-P-EL 5.5.11 MENU 10: OTHERS 10 OTHERS 10.1 MODEL Provides important information on your unit. This information may be required for maintenance, support and upgrade purposes. 10.2 SOFTWARE Provides important information on your unit. This information may be VERSION required for maintenance, support and upgrade purposes. -
Page 33: Installation
Personnel must read and understand this Operating Manual before carrying out its instructions. ● The E126-P-EL may only be operated by personnel who are authorized and trained by the operator of the facility. All instructions in this manual are to be observed. -
Page 34: Handling The E-Series Enclosure
User Manual E126-P-EL HANDLING THE E-SERIES ENCLOSURE 6.2.1 MAIN PARTS Fig. 15: Exploded view 1. Cover 5. Body 2. Main Electronics Module (MEM) 6. Grounding terminal 3. Battery 7. Label 4. Supply Module (RSM or BSM) Fig. 16: Main Electronic Module and two types of Supply Module (BSM, RSM) 1. -
Page 35: Identification
E126-P-EL User Manual 6.2.2 IDENTIFICATION Your product is supplied with two external and several internal labels. Configuration label All E-Series enclosures are supplied with a weatherproof configuration label placed on the outside of the unit. Information on this label includes the configuration options chosen for your product. - Page 36 User Manual E126-P-EL Installation labels At the inside, several labels can be found. These labels indicate serial number of the electronics, product configuration and connectors, and more. The MEM is supplied with two labels. Fig. 19: Example MEM labeling The Supply Module is also labeled. Depending on product type your product can be supplied with an RSM or a BSM.
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Page 37: Opening, Assembling And Closing The Unit
E126-P-EL User Manual 6.2.3 OPENING, ASSEMBLING AND CLOSING THE UNIT Explosion risk: never open the housing when explosive atmosphere is present. Safety risk: do not open an installed enclosure when circuits are alive. Opening the cover 1. Loosen the fixing screw. -
Page 38: Test Unit
User Manual E126-P-EL Re-assembling the unit 1. If applicable: check that the battery is installed correctly in the supply module BSM/RSM and that the battery cable is correctly inserted into its connector. See Section 7.3: Replace for battery replacement. battery [»54] 2. -
Page 39: Mechanical Installation
● The volume of empty space inside this added volume must not exceed 13.5 cm ● The extra enclosure may not generate any heat. ● The E126-P-EL is certified for a maximum permitted electrical energy; the extra enclosure may not add any electrical energy. -
Page 40: Mechanical Dimensions
User Manual E126-P-EL 6.3.2 MECHANICAL DIMENSIONS 112mm / 4.41” Left connection Right connection M20x1.5 M20x1.5 M25x1.5 M25x1.5 ½” NPT ½” NPT ¾” NPT ¾” NPT Bottom connection M20x1.5 M25x1.5 ½” NPT ¾” NPT 1” NPT 70mm / 2.76” 148mm / 5.83”... - Page 41 E126-P-EL User Manual When mounting the unit, leave the cover on as much as possible to prevent damage to the thread winding. Only remove cover and MEM after mounting. The following options are available to mount the unit: ● Directly on a panel.
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Page 42: Electrical Installation
User Manual E126-P-EL Mount unit on a wall 1. Use the wall mount accessories (ACE03) to attach the unit as shown and follow the Assembly Instructions as supplied with the accessory. 2. Remove the cover and the MEM (see Section 6.2.3: Opening, assembling and closing the unit [»37]... -
Page 43: Grounding Of The Enclosure
E126-P-EL User Manual Equipment damage from electrical discharge ● Electro static discharge can inflict irreparable damage to electronics! Before installing cabling, always first discharge yourself by touching a well-grounded object. ● Always install the unit according to the EMC guidelines (Electro Magnetic Compatibility) and according to local requirements (e.g. -
Page 44: Voltage Selection Sensor Supply
User Manual E126-P-EL 6.4.4 VOLTAGE SELECTION SENSOR SUPPLY Type PB / PX – Pickup element supply Terminal S3 provides a limited supply voltage of 3.2 VDC (coil signals 1.2 V) for the flowmeter signal output. Output impedance is 2700 ohms and power is limited to 3.3 mW under short circuit conditions. -
Page 45: Terminal Connectors - Mem
E126-P-EL User Manual 6.4.5 TERMINAL CONNECTORS – MEM The following terminal connectors are available for the Main Electronics Modus (MEM). POWER PULSE OUTPUT REQUIREMENTS TEMPERATURE INPUT PD: 9 - 27V DC OT: passive transistor output TP wiring PT+ Sen+ Sen - PT -... -
Page 46: Terminal Connectors - Rsm
User Manual E126-P-EL 6.4.6 TERMINAL CONNECTORS – RSM The following terminal connections are available for Relay Supply Module (RSM; option OR). POWER PULSE OUTPUT REQUIREMENTS PD: 9 - 27V DC* OR: Relay output* COM5 PX: 9 - 27V DC *Type OR requires 24-27V DC and power supply via P5-P6 instead of P1-P2 Fig. 27:... -
Page 47: 6.4.10 Terminals S1-S3: Flowmeter Input
E126-P-EL User Manual Type OT One passive transistor output (D1) is available with a maximum pulse frequency of 500 Hz. Max. driving capacity 300 mA @ 50 VDC. ● Terminals R1 and R3 are common ground (GND) terminals. ● When retransmit mode is selected the max. frequency is 10kHz with a 50% duty cycle and a minimum on and off- time of 50µs. - Page 48 User Manual E126-P-EL Sine-wave signal (Coil) The unit can be used with flowmeters which have a coil output signal. Two sensitivity levels can be selected (see SETUP 4.1: FLOWMETER > SIGNAL [»26] ● COIL LO: sensitivity 90 mVpp. ● COIL HI: sensitivity 20 mVpp. (type ZF offers sensitivity 10 mVpp; type ZG offers sensitivity 5 mVpp).
- Page 49 E126-P-EL User Manual Power supply type PD provides a sensor supply voltage of 8.2, 12, or 24 VDC. ↓ J1-J2 8.2 ; 12V; 24V ↓ PNP-LP* ┴ Common system ground Fig. 32: Terminals S1-S3 and P3: Pulse signal input PNP Reed switch The unit can be used with flowmeters which have a reed switch.
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Page 50: 6.4.11 Terminals T1-T4: Temperature Input Pt100 - Type Tp
Terminals S1-S2 and P3: Active signal inputs 8.2 V and 24 V 6.4.11 TERMINALS T1-T4: TEMPERATURE INPUT PT100 - TYPE TP The E126-P-EL type TP requires a PT100 element (RTD) as temperature sensor. The E126-P-EL uses the International Temperature Scale of 1990 Temperature vs Resistance table (ITS-90) to calculate the measured temperature. -
Page 51: 6.4.12 Terminals E1-E2: Temperature Input (0)4-20Ma - Type Ta
E126-P-EL User Manual 6.4.12 TERMINALS E1-E2: TEMPERATURE INPUT (0)4-20MA - TYPE TA The E126-P-EL type TA requires a (0)4-20mA signal from the temperature sensor. The input is not isolated. See for configuring the temperature Menu 5: Temperature - with type TA (4-20mA) [»27] input. -
Page 52: 6.4.14 Terminals C1-C4: Communication Rs232/Rs485/Usb - Type Cb/Ch/Cu
User Manual E126-P-EL 6.4.14 TERMINALS C1-C4: COMMUNICATION RS232/RS485/USB - TYPE CB/CH/CU ● Serial communications are possible on hardware layers RS232 (length of cable max. 5 meters), RS485 (length of cable max. 1200 meters) and USB (length of cable max. 5 meters). To achieve reliable communication, make sure the hardware layer specific requirements are met. -
Page 53: 6.4.15 Terminals A1-A2: Isolated Analog Output - Type Ah
E126-P-EL User Manual 6.4.15 TERMINALS A1-A2: ISOLATED ANALOG OUTPUT – TYPE AH The flowrate proportional output (AH) is standard available. This output is an isolated 4-20 mA output with the possibility to power the device via the 4-20 mA loop. It is non-polarity sensitive. -
Page 54: Maintenance
) before proceeding. Section 2: Safety [»5] If the E126-P-EL is damaged or faulty, it cannot be repaired by the user and must be replaced with an equivalent certified product. Repairs can only be carried out by the manufacturer or their authorized agent. -
Page 55: Replace Clock Battery (Type Zl)
E126-P-EL User Manual Remove old battery from BSM/RSM 1. Disconnect the battery connector cable from the Supply module. 2. Carefully remove the battery from the holder. 3. Store the old battery in a small plastic bag (e.g. the bag the new battery came in) or install an insulation tape over the battery connector to prevent a short circuit. -
Page 56: Appendix A - Technical Specification
User Manual E126-P-EL APPENDIX A - TECHNICAL SPECIFICATION GENERAL DISPLAY Type High intensity numeric and alphanumeric LCD, UV-resistant, with bright backlight (intensity adjusted via the keypad) Digits Seven 12 mm (0.47”) and eleven 7 mm (0.28”). Various symbols and measuring units. -
Page 57: Input
E126-P-EL User Manual SENSOR EXCITATION Type AH/PB/PX Terminal S3: 3 VDC for pulse signals and 1.2 VDC for coil pick-up, I max. 100 μA. This is not a real sensor supply. Only suitable for sensors with a very low power consumption like coils (sine wave) or reed switches. -
Page 58: Output
User Manual E126-P-EL OUTPUT DIGITAL OUTPUT Function Transmitting compensated accumulated total (scaled pulse) or input pulse retransmission Scaled output Output D1: max. frequency 500 Hz. Output D5: max. frequency 4 Hz, recommended use below 0.5 Hz Pulse length user definable between 1msec up to 10 seconds Retransmission output Square wave output based on frequency of (sine wave or coil) input signal. -
Page 59: Directives/Standards And Hazardous Area Classification
E126-P-EL User Manual DAILY TOTALS Digits 7 digits Unit decimals According to selection for total Contract hour 00:00 – 23:00, settable per whole hour Current day total Running total, started at zero after the last contract hour Previous day total... -
Page 60: Appendix B - Troubleshooting
User Manual E126-P-EL APPENDIX B - TROUBLESHOOTING Table 1 lists and describes how to troubleshoot problems that can occur when installing or operating the unit. Table 2 lists internal alarm codes and conditions signaled by a blinking ALARM icon on the display. - Page 61 E126-P-EL User Manual Table 2: Internal alarms When multiple alarms occur, the error code shown is the sum of the error codes as given below. For example 0048 is a combination of error code 0016 and 0032. Alarm Explanation 0001...
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Page 62: Appendix C - Modbus Communication
User Manual E126-P-EL APPENDIX C - MODBUS COMMUNICATION INTRODUCTION The product is fitted with the Modbus communication protocol and can be equipped with various physical interfaces like RS485 and RS232 (please see device datasheet for available options). The tables below show the various variables that can be accessed through the communication. -
Page 63: Runtime Variables Of The Unit
23456,78 while communication will read a “total” of 12345678 (note that the decimals should be adapted according to the setting in “total decimals”, in this case 2). RUNTIME VARIABLES OF THE E126-P-EL - INTEGER BASED – INDIVIDUAL READ HOLDING NO. -
Page 64: Configuration Variables Of The Unit
Representation: unit, depending on variable 209 Note: The list of runtime variables shown above can be read as one contiguous list of registers. Unused registers return 0. RUNTIME VARIABLES OF THE E126-P-EL - FLOATING POINT BASED 32 BIT – CONTIGUOUS READ HOLDING NO. - Page 65 E126-P-EL User Manual MODBUS-REGISTERS: TOTAL HOLDING NO. OF VARIABLE TYPE VALUES / REPRESENTATION / REMARKS ADDRESS REGISTER REG’S [d] 32 40033 unit uint16 0 = none 3 = US GAL 6 = OILBBL 9 = lb [h] 0x0020 1 = L...
- Page 66 User Manual E126-P-EL MODBUS-REGISTERS: DISPLAY [d] 58 40059 bar graph uint16 0=disable 1=enable [h] 0x03A enable [d] 59 40060 bar graph range uint32 0…9999999 [h] 0x03B Representation: unit, time, decimals depending on variables 48, 49, 50 MODBUS-REGISTERS: FLOWMETER HOLDING NO. OF...
- Page 67 E126-P-EL User Manual MODBUS-REGISTERS: ANALOG OUTPUT HOLDING NO. OF VARIABLE TYPE VALUES / REPRESENTATION / REMARKS ADDRESS REGISTER REG’S [d] 112 40113 analog output uint16 0=disable 1=enable [h] 0x070 [d] 113 40114 minimum rate uint32 0.001…9999999 [h] 0x071 Representation: unit, time, decimals depending on variables...
- Page 68 User Manual E126-P-EL MODBUS-REGISTERS: OTHERS HOLDING NO. OF VARIABLE TYPE VALUES / REPRESENTATION / REMARKS ADDRESS REGISTER REG’S [d] 160 40161 model number uint16 0…9999 [h] 0x0A0 [d] 173 40174 model suffix char Representation: ASCII character [h] 0x0AD [d] 162...
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Page 69: Appendix D - Remote Configuration Tool
E126-P-EL User Manual APPENDIX D - REMOTE CONFIGURATION TOOL INTRODUCTION The free PC software can be downloaded and installed onto your computer system. The software package allows you to set the configurations as desired, up- or download the settings to the MEM and print a hardcopy for each product. -
Page 70: Download And Install
DOWNLOAD AND INSTALL The Remote Configuration Tool software package can be downloaded from our website at www.fluidwell.com/software and installed using the installation program. The installation also contains a Quickstart manual which gives detailed instructions on how to achieve a successful connection between PC and MEM. -
Page 71: Appendix E - Legal Information
E126-P-EL User Manual APPENDIX E - LEGAL INFORMATION EU DECLARATION OF CONFORMITY FW_E126-P-EL_M_v0301-01_EN Page 71... - Page 72 Fluidwell bv P.O. Box 6 Voltaweg 23 Website: www.fluidwell.com 5460 AA Veghel 5466 AZ Veghel Find your nearest representative: www.fluidwell.com/representatives the Netherlands the Netherlands © Copyright 2022 - FW_E126-P-EL_M_v0301-01_EN...
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