Flow computer with temperature and pressure compensation for corrected gas volume, signal input flowmeter: pulse, namur and coil, signal input pressure: 0 4-20 ma, signal input temperature: pt100, 2 or 3- wire, signal outputs: 0 4-20ma / 0-10v ref. correc
Ratio monitor / totalizer with high / low alarms and analog outputs, signal input flowmeter: pulse, namur and coil, signal outputs: 4-20ma ref. ratio or flow rate, alarm outputs: maximum four flow rate alarms, options: intrinsically safe, modbus communica (52 pages)
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Signal input temperature: Pt100, 2 or 3- wire Signal outputs: (0)4-20mA / 0-10V ref. corrected flow rate and pulse ref. total Options: Intrinsically safe, Modbus communication and backlight F-Series - Field mounted indicators for safe and hazardous areas. More info: www.fluidwell.com/fseries...
Page 2 SAFETY INSTRUCTIONS • Any responsibility is lapsed if the instructions and procedures as described in this manual are not followed. • LIFE SUPPORT APPLICATIONS: The F126-P-EG-TP is not designed for use in life support appliances, devices, or systems where malfunction of the product can reasonably be expected to result in a personal injury.
Page 4 TABLE OF CONTENTS SAFETY INSTRUCTIONS........................2 DISPOSAL OF ELECTRONIC WASTE ....................2 SAFETY RULES AND PRECAUTIONARY MEASURES ..............2 ABOUT THE MANUAL ........................3 WARRANTY AND TECHNICAL SUPPORT ..................3 TABLE OF CONTENTS ........................4 INTRODUCTION ........................6 System description ......................
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Page 5 Identification ........................37 Electrical installation in hazardous area ................. 38 5.2.1 General information and instructions ..............38 5.2.2 Installations based on ATEX or IECEx certificate ..........39 Electrical data – Annex 1 ..................40 5.2.3 5.2.4 Power supply wiring .................... 42 5.2.5 Sensor supply .....................
Page 6 1 INTRODUCTION SYSTEM DESCRIPTION Functions and features The flow rate / totalizer model F126-P-EG-TP is a microprocessor driven instrument for the calculation of standard volumetric flow or mass flow for gas applications using flow equations. This product has been designed with a focus on: ▪...
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Page 7 Configuration of the unit The F126-P-EG-TP is designed for use in many types of applications. For that reason, a setup menu is available to program the F126-P-EG-TP according to your specific requirements. The setup includes several important features, such as K-Factors, engineering units, signal selection, power management (to extend battery life-time), etc.
Page 8 2 OPERATIONAL GENERAL INFORMATION This chapter describes the daily use of the F126-P-EG-TP. This instruction is meant for users / operators. • This device may only be operated by persons who are authorized and trained by the operator of the facility. All instructions in this manual are to be observed. •...
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Page 9 For the Operator, the following functions are available: ▪ Display compensated flow rate and/or compensated total This is the main display information of the F126-P-EG-TP. After the selection of any other information, it will always return to this main display automatically. Total is shown on the upper line of the display and flow rate on the bottom line.
Page 10 3 CONFIGURATION INTRODUCTION This and the following chapters are exclusively meant for electricians and non-operators. In these, an extensive description of all software settings and hardware connections are provided. • Mounting, electrical installation, start-up and maintenance of this device may only be carried out by trained persons authorized by the operator of the facility.
Page 11 Use the control panel to navigate through SETUP-level PROG-key When a function is selected, this key is used to start the programming sequence. When only a function group is selected (and no function), this key is used to scroll back a function group (e.g.
Page 12 3.2.4 RETURNING TO OPERATOR-LEVEL When all settings are configured correctly, the unit can be returned to OPERATE-level. Please keep a record of all settings for later reference. Use the control panel to return to OPERATE-level PROG-key In order to return to the operator level, press the PROG-key for three seconds. When no keys are pressed for 2 minutes, SETUP-level will be left automatically.
Page 14 3.3.3 MENU 2 - FLOW RATE The settings for total and flow rate are entirely separate. In this way, different engineering units can be used for each e.g. cubic meters for total and liters for flow rate. FLOW RATE UNIT This setting is used to select the engineering unit for the indication of the flow rate.
Page 15 3.3.5 MENU 4 - POWER MANAGEMENT When used with the internal battery option (type PB/PC), the user can expect reliable measurement over a long period of time. The F126-P-EG-TP has several smart power management functions to extend the battery life time significantly. Two of these functions can be set. POWER MANAGEMENT LCD NEW The calculation of the display-information influences the power...
Page 16 MENU 6 – TEMPERATURE 3.3.7 TEMPERATURE DISPLAY Sets the temperature unit shown on display. NO OF WIRES Choose the number of wires used for connecting the Pt100 sensor. FILTER The analog output signal of a sensor represents the actual temperature. This signal is measured several times per second.
Page 17 CALIBRATE LOW This setting is used to calibrate the input value for (0)4 mA as the signal from the pressure sensor might not be exact 4.0 mA (or 0.0 mA) at pressure zero. This function will measure the real output value at pressure zero.
Page 18 3.3.10 MENU 9 - ANALOG OUTPUT A linear 4-20 mA signal (option AB: 0-20 mA or option AU: 0-10 V) output signal is generated that represents the flowrate. The settings for the flow rate influence the analog output directly. The relationship between the flow rate and the analog output is set with the following settings.
Page 20 4 INSTALLATION GENERAL DIRECTIONS • Mounting, electrical installation, start-up and maintenance of this device may only be carried out by trained persons authorized by the operator of the facility. Persons must read and understand this manual before carrying out its instructions. •...
Page 21 HANDLING THE F-SERIES ENCLOSURE 4.3.1 IDENTIFICATION The F1-Series can be supplied as suitable for Safe Area or Hazardous Area. Suitability for Intrinsic Safety is indicated in the model code by Type XI (e.g. F126-P-EG-TP-XI). For Intrinsically Safe applications: Installation and identification labels are shown in chapter 5. Identification label To identify your F1-Series device, all field mount enclosures have a weatherproof identification label placed on the outside of the unit.
Page 22 Terminal label Also on the inside, a terminal label is placed to indicate the location of the terminals and settings for the sensor supply configuration switches. Fig. 8: Identification – Example of F1-Series terminal label (safe area) Serial number and year of production The serial number can be reviewed on the identification label or in SETUP-menu Others.
Page 25 4.4.3 MOUNTING The enclosure can be installed by itself or with the aid of a mounting plate in the configurations shown below. When the unit is installed on a wall or onto a meter, please use components and installation techniques that are suitable for the used materials.
Page 26 ELECTRICAL INSTALLATION • Electro static discharge does inflict irreparable damage to electronics! Before installing or opening the F126-P-EG-TP, the installer has to discharge himself by touching a well- grounded object. • For reasons of ESD and safety, always ground the metal enclosure properly as indicated, especially if the unit has been supplied with the 115-230V AC power-supply type PM or relays type OR.
Inside of the Fluidwell unit, the various common ground terminals are connected to each other. It is advised to terminate the wire screens in the vicinity of the sensor and to insulate the wire screen with a shrink tube at the F126-P-EG-TP side.
Page 28 4.5.5 SENSOR SUPPLY For type PB / PX / AP – Terminal 11: Limited sensor supply These types of power supply only offer a limited sensor supply, which SHOULD NOT be used to supply the flowmeters electronics, converters etc. as it will not provide adequate sustained power! All energy used by the flowmeters pick-up will directly influence the battery life-time.
Page 29 TERMINAL CONNECTORS SAFE AREA APPLICATIONS – TYPE XX / XF Take careful notice of all safety and precautionary measures indicated in paragraph 4.5: Electrical Installation and review paragraph 4.5.3 and 4.5.4 before applying any field or power supply wiring. For Intrinsically Safe applications (Type XI): read chapter 5.
Page 30 4.6.2 TERMINAL 05-06: SCALED PULSE OUTPUT R1 Setup A (read chapter 3) determines the pulse output function. The maximum pulse frequency of this output is 500Hz. If a relay output option has been supplied, be sure that the output frequency does not exceed 5Hz or else the life-time of the relay will be reduced significantly.
Page 31 4.6.3 TERMINAL 07-08: ANALOG OUTPUT An analog output signal proportional to the flow rate is available as standard and is configured using Setup 9. The following signal type configurations are available, including type AP: loop powered: Type AA An active 4-20mA signal proportional to the flow rate is available with this option.
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Page 32 Type AI An isolated 4-20mA signal proportional to the flow rate is available with this option. When the output is disabled, a 3.5mA signal will be generated on these terminals. Max. driving capacity 1000 Ohm @ 30VDC. This option can be used with a battery powered unit but the life time of the battery is about 2 - 3 years.
Page 33 4.6.4 TERMINAL 09-11: FLOWMETER INPUT Three basic types of flowmeter signals can be connected to the unit: pulse, active pulse or sine- wave (coil). The screen of the signal wire must be connected to the common ground terminal 09 (unless earthed at the sensor itself).
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Page 34 Pulse-signal PNP / PNP-LP The F126-P-EG-TP is suitable for use with flowmeters which have a PNP output signal. 3V is offered on terminal 11 which has to be switched by the sensor to terminal 10 (SIGNAL). For a reliable pulse detection, the pulse amplitude has to go above 1.2V.
Page 35 NAMUR-signal The F126-P-EG-TP is suitable for flowmeters with an Namur signal. The standard F126-P-EG-TP is not able to power the Namur sensor, as an external power supply for the sensor is required. However, a 8.2V sensor supply voltage (terminal 11) can be provided with power supply type PD, PF, PM.
Page 36 4.6.7 TERMINAL 26-31: TYPE CB / CH / CI - COMMUNICATION (OPTION) Serial communications on hardware layers RS232, RS485 and TTL (intrinsic safety) are possible. Make sure that the hardware layer specific requirements are met to achieve reliable communication and read the Modbus communication protocol and Appendix C.
Page 37 5 INTRINSICALLY SAFE APPLICATIONS IDENTIFICATION The F1-Series can be supplied as suitable for Safe Area or Hazardous Area. Suitability for Intrinsic Safety is indicated in the model code by Type XI (e.g. F126-P-EG-TP-XI). If Type XI is not indicated your device is not suitable for Intrinsically Safe applications! Identification label To identify your F1-Series device, all field mount enclosures have a weatherproof identification label placed on the outside of the unit.
Page 38 Terminal label Also on the inside, a terminal label is placed to indicate the location of the terminals and settings for the sensor supply configuration switches. Fig. 33: Identification – Example of F1-Series terminal label (intrinsic safety) ELECTRICAL INSTALLATION IN HAZARDOUS AREA 5.2.1 GENERAL INFORMATION AND INSTRUCTIONS Cautions...
Page 39 5.2.2 INSTALLATIONS BASED ON ATEX OR IECEX CERTIFICATE Installation instructions • For installation under ATEX directive: this Intrinsically Safe device must be installed in accordance with ATEX directive 2014/34/EU and product certificate KEMA 03ATEX1074 X. • For installation under IECEx scheme: this Intrinsically Safe device must be installed in accordance with product certificate IECEx DEK 11.0042X.
Page 40 ELECTRICAL DATA – ANNEX 1 5.2.3 Annex 1 (model specific) to type XI product certificates KEMA 03ATEX1074 X, IECEx DEK 11.0042X For the combined connection of the different supply, input and output circuits, the installation instructions of the manufacturer shall be observed. From the safety point of view the circuits shall be considered to be connected to earth.
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Page 41 Coil, Switch, PNP, NAMUR In type of protection intrinsic safey Ex ia IIB/IIIC or Ex ia IIC, in combination inputs with connected external supply input type -PD, with following maximum values: (terminals 10 and 11, 8.7 V Ex ia IIB/IIIC Ex ia IIC terminals 13 and 14) 25 mA...
Page 42 5.2.4 POWER SUPPLY WIRING The F126-P-EG-TP can be powered from an external power supply or via the passive, loop-powered 4-20mA current loop (Type AP). An internal power supply is available in the form of a lithium battery. When both external and internal power supplies are present, the internal power supply is interrupted and will act as a backup supply.
Page 43 TERMINAL CONNECTORS INTRINSICALLY SAFE APPLICATIONS – TYPE XI Take careful notice of all safety and precautionary measures indicated in paragraph 5.2: Electrical installation in hazardous area and review paragraph 5.2.4 and 5.2.5 before applying any field or power supply wiring. Chapter 4 shows general information regarding the electrical installation of the F126-P-EG-TP.
Repairs should only be carried out by the manufacturer or his authorized agent. Repair policy If you have any problem with your Fluidwell product and you wish to repair it, please follow the procedure below: a. Obtain a Return Material Authorization (RMA) from your supplier or distributor Together with the RMA, you need to complete a repair form to submit detailed information about the problem.
Page 47 BATTERY REPLACEMENT INSTRUCTIONS 6.3.1 SAFETY INSTRUCTIONS • Handle the battery with the utmost care to prevent a short circuit and damage. A mistreated battery can become unsafe. Unsafe batteries can cause (serious) injury to persons. Do not recharge, crush, disassemble, incinerate, heat above its rated temperature or expose contents to water.
Page 48 6.3.2 REPLACE THE BATTERY Before starting the battery replacement procedure, make sure that the marking on the new battery corresponds with the type of installation, as shown in paragraph 6.3.1. Remove the old battery as follows: 1. Open the enclosure as indicated in section 4.3 and carefully remove the cable-connectors. 2.
Page 49 APPENDIX A TECHNICAL SPECIFICATION General Display Type High intensity numeric and alphanumeric LCD, UV-resistant. Digits Seven 17mm (0.67") and eleven 8mm (0.31"). Various symbols and measuring units. Refresh rate User definable: 8 times/sec - 30 secs. Type ZB LCD with LED backlight.
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Page 50 Power supply Type AP Loop-powered from 4-20mA output signal - 8-30V DC. Power consumption max. 0.5 Watt. Type PB Standard lithium battery - life-time depends upon settings - up to 5 years. SAFE AREA ONLY Type PC Intrinsically Safe lithium battery - life-time depends upon settings - up to 5 years. Type PD 8-24V AC / 8-30V DC;...
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Page 51 Inputs Flowmeter Type P npn; npn-lp; reed; reed-lp; pnp; pnp-lp; namur; coil-hi; coil-lo; 8-1 DC; 12 DC; 24 DC Frequency Minimum 0 Hz - maximum 7 kHz for total and flow rate. Maximum frequency depends on signal type and internal low-pass filter. E.g.
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Page 52 Flow rate Digits 7 digits. Units mL; L; m ; mg; g; kg; ton; gal; bbl; lb; cf; rev; - - - - (no unit); scf; nm ; nL; p Decimals 0 - 3 Time units /sec; /min; /hour; /day Line temperature Digits 7 digits.
Page 53 APPENDIX B PROBLEM SOLVING In this appendix, several problems are included that can occur when the F126-P-EG-TP is going to be installed or while it is in operation. Flowmeter does not generate pulses: Check: ▪ Signal selection; ▪ Pulse amplitude;...
Page 54 APPENDIX C COMMUNICATION VARIABLES General 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. Currently, the function codes supported are: •...
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Page 55 For example when two decimals are selected for total and total has a value of 123456,78 the display will show 34 ,78 while communication will read a “total” of 78 (note that the decimals should be adapted according the setting in “total decimals” which is in this case 2). * Clearing total: It is possible to clear the total counter by means of writing a value of 0 to all the 3 registers of total/flow rate in a single write action.
February We, Fluidwell , declare under our sole responsibility that the F eries indicators are designed and will operate conform the following applicable European Directives and Harmonised tandards, when installed and operated according to the related manuals:...
Page 60 LIST OF FIGURES IN THIS MANUAL Fig. 1: Typical application ........................6 Fig. 2: Control panel..........................8 Fig. 3: Example of display information during process................. 8 Fig. 4: Example of low-battery alarm....................9 Fig. 5: SETUP matrix structure ......................10 Fig.
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Page 62 LIST OF CONFIGURATION SETTINGS SETTING DEFAULT DATE : DATE : 1 - TOTAL Enter your settings here 1.1 unit 1.2 decimals 0000000 1.3 K-Factor 1.4 decimals K-Factor 2 - FLOW RATE 2.1 unit 2.2 time /min 2.3 decimals 0000000 2.4 K-Factor 2.5 decimals K-Factor...
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Page 63 A - PULSE A.1 width 0.000 sec A.2 decimals A.3 amount 1000 B - COMMUNICATION B.1 speed 9600 B.2 address B.3 mode BUS-RTU C - OTHERS C.1 model F126-P C.2 software version 03.03.xx C.3 serial no. nnnnnn C.4 password 0000 C.5 tag-nr 0000000...
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