Configurable Flowmeter Module
Contents
1. 1 3 5 7 9 FO TTL not used 11 Fo RET not used 13 24V dc source 1 12mA to power a proximity transducer 15 SNNN ECSS FESSES Publication 1771 IN043B EN P July 2002 10 Configurable Flowmeter Module Wiring Examples continued Standard Output 00 External Power Supply 1 5 30V dc 2A 7 OutputO Customer V dc 1 5 to 30V Output 1 LOAD 0 Customer V de 1 RET 3416 Outputs0 amp 1RET 4012 39 LOAD 1 1771 WN For new installations terminate the shields at the chassis While not recommended existing installations can continue to terminate the shields at the return RET terminal If multiple power sources are used do not exceed the specified isolation voltage Alternate Wiring Method Low signal amplitude or High noise applications low signal amplitude or high noise applications For low signal amplitude or high noise applications you can use this alternate wiring for your 1771 CFM C module eet apie l 3 4 1 Ke 5 6 1 7 H 8 12 9 L p input or output signal 101A signal2. Identifies information about practices or ATTENTION circumstances that may lead to personal injury or death property damage or economic loss Identifies information that is critical for IMPORTANT successful application and understanding of the product ATTENTION Configurable Flowmeter Module 3 Environment and Enclosure This equipment is intended for use in a Pollution Degree 2 industrial environment in overvoltage Category II applications as defined in IEC publication 60664 1 at altitudes up to 2000 meters without derating This equipment is considered Group 1 Class A industrial equipment according to IEC CISPR Publication 11 Without appropriate precautions there may be potential difficulties ensuring electromagnetic compatibility in other environments due to conducted as well as radiated disturbance This equipment is supplied as open type equipment It must be mounted within an enclosure that is suitably designed for those specific environmental conditions that will be present and appropriately designed to prevent personal injury resulting from accessibility to live parts The interior of the enclosure must be accessible only by the use of a tool Subsequent sections of this publication may contain additional information regarding specific enclosure type ratings that are required to comply with certain product safety certifications See NEMA Standards publication 250 and IEC publication 60529 as ap
3. Standard TTL or Open Collector 1 3V threshold F0 O Wiring Examples WN FO TTL not used FO RET i 1771 WN Important To use a channel in TTL jumper the appropriate TTL pin to the appropriate RET To use Channel 0 in TTL jumper pin 9 to pin 11 WIV J O1 VIVIGVUG not used F0 500mV FO RET FO Input Input Device _ Standard Magnetic Pickup Configurable Flowmeter Module 9 500mV threshold F0 T 1771 WN Important To use a channel for 500mV sensor jumper the 500mV pin to the appropriate RET For Channel 0 jumper pin 10 to pin 11 SES FO 500mV FO TTL not FO Input used FO RET Input Device _ FO TTL 5 12V dc 12 30V de Standard Prover Store Count G0 1771 WN external device G0 RET G0 Standard Proximity using CFM Module Source F0 1771 WN not used FO 500mV 10 24V dc source 1 12mA RET proximity pick up FO Input Input _ Device _
4. 2 flowmeter input used for all modes gate input used in Totalizer and Nonresettable Totalizer modes 50mV 30V ac Magnetic Pickup 5 30V de TTL compatible Bently 3300 5 amp 8 mm Proximity Pickups 5KQ 30 resistive 5 12 and 12 30V dc 22mA maximum 4 less than 3004A 30V dc 0 6Q x current Any number of outputs are assignable to any of 4 channels One turn on value and one turn off value per output 5 to 30V dc customer supplied 1A per channel sourced out of module All outputs can be on simultaneously without derating outputs triggered by Total turn ON lt 100s turn OFF lt 100s all other turn ON and OFF times lt 1ms high speed or low pass filter jumper filter below 70Hz 1s approximate between transitions with no minimum pulse width Totalizer and Nonresettable Totalizer modes only 24V dc 12mA ripple 5 noise 240mV peak to peak 0 8A maximum 5V dc 5 to 30V de Tested to withstand for 60s 500V between input and backplane 1500V between output and backplane 500V between isolated channels 1500V between isolated outputs and gates 13W maximum 2W minimum 54 2 BTU hr maximum 6 8 BTU hr minimum 11W Belden 8761 Category 2 304 8m 1000ft 14AWG 2 5mm solid or stranded copper wire rated 60 C or greater Category 2 Environmental Conditions Operating Temperature Storage Temperature Relative Humidity Shock Operating Nonoperating Vibr
5. RET input device i 1 n conduit or other conductive enclosure Publication 1771 IN043B EN P July 2002 Ground the Module Use the following diagrams to ground your V O chassis and CFM module Remove a length of cable jacket from the Belden 8761 cable CS ee 4 Pull the foil shield and bare drain wire from the insulated wires bare drain wire insulated wires Twist the foil shield and drain wire together to form a single strand El Attach a ground lug 20104 When using shielded cable wire ground the foil shield and drain wire only at one end of the cable We recommend that you wrap the foil shield and drain wire together and connect them to a chassis mounting bolt At the opposite end of the cable tape exposed shield and drain wire with electrical tape to insulate it from electrical contact For additional grounding information see the Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Configurable Flowmeter Module 11 Chassis Ground When you connect grounding conductors to the I O chassis grounding stud place a star washer under the first lug then place a nut with captive lock washer on top of each ground lug Torque the nut with captive washer to 18 3 pound inches ground lug Q PN nut nut and captive washer grounding stud yt star washer groun
6. Specifications CSA logo is a registered trademark of the Canadian Standards Association PLC is a registered trademark of Allen Bradley Company Inc PLC 2 02 PLC 2 05 PLC 2 16 and PLC 2 17 are trademarks of Allen Bradley Company Inc www rockwellautomation com Power Control and Information Solutions Headquarters Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204 2496 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Europe Middle East Africa Rockwell Automation Vorstlaan Boulevard du Souverain 36 1170 Brussels Belgium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation Level 14 Core F Cyberport 3 100 Cyberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Publication 1771 IN043B EN P July 2002 PN957689 89 Supersedes Publication 1771 5 43 April 1996 Copyright 2002 Rockwell Automation Inc Printed in USA
7. module transfers up to 41 words to the PLC processor s data table file The words contain module status and input data from each channel You should program a block transfer read length of zero 0 When a BTR of 0 is programmed the CFM module will determine the correct number of words 41 to return Publication 1771 IN043B EN P July 2002 Input Capabilities The CFM module accepts input for up to four channels mode dependent Each of the four input channels may accept these input signals magnetic pickup 50mV to 30V ac 3 30V dc pulses with open collector TTL compatible e proximity probe inputs compatible with Bently Nevada 3300 5mm and 8mm proximity transducer systems provides two isolated 24V dc power supplies rated at 12mA to power external devices Output Capabilities The CFM module has four assignable outputs These outputs are designed for applications that require fast response The outputs are electronically current limited to 2A can be assigned to any input channel with user selectable turn on and turn off values are current sourcing at 5 30V dc 1A maximum per output must be connected to an external power supply are in groups of two this lets you use two separate ex ternal power supplies if desired one for outputs 0 amp 1 and one for outputs 2 amp 3 Outputs may be forced on or off independent of count or frequency value They may be forced on and off by setting bit
8. 10 has occurred since power up or since last 0 yes switched from Program to Run mode 12 11 10 09 08 07 06 0 04 03 02 01 00 Se O LI y V E Output Status reflects current VALUES A Error Words amp Diagnostics displays operating state of outputs 0 OFF invalid BTW word number 0 60 BCD b12 OutputO b13 Outputi 1 ON 99 invalid BTW length b14 Output2 b15 Output 3 Status Indicators The CFM module provides these status indicators Indicators If indicator Is ON Is OFF a Check FAULT LED if on follow the steps ACTIVE the CFM module is successfully receiving listed under if FAULT is ON power and operational b Check the power supply INPUTS a signal is present at the designated a signal is not present at the designated F0 F3 amp G0 G3 input terminal input terminal OUTPUTS RONE 00 03 the module has commanded an outputon the output is off ei S1 Power up Bit BTR word 1 bit 00 is ON Power up Bit BTR word 1 bit 00 is OFF 0 GO G1 G2 G3 1 BTW hasn t occurred since valid BTW has occurred since power up or since RON power up or invalid BTW or last switched from Program to Run mode ue STATUS PLC processor in Program mode 0 2 3 R Sa 85 86 87 S2 BTW is occurring BTW is not occurring FAULT 3 BTR is occurring BTR is not occurring 1 Turn off power to the I O chassis backplane and wiring arm 2 Reseat the CFM module in th
9. B Contents t This icon is used when additional information is available in the Configurable Flowmeter Module User Manual publication 1771 6 5 99 Important User Information Installation Instructions Configurable Flowmeter Module Catalog Number 1771 CFM Use this document as a guide when installing a Configurable Flowmeter module To See page 1 Important User Information 1 1 Calculate power requirements 4 y Set the module operation jumpers 4 y Set the input channel jumpers 5 y Determine CFM module placement 6 y Key the backplane connector 6 y Install the module 7 y Make connections to the field wiring arm 8 J Ground the module 11 y Configure the module 12 y Interpret module status and input data 15 For this reference information See page mp Diagnostics 16 Status indicators 16 Specifications 18 Because of the variety of uses for the products described in this publication those responsible for the application and use of these products must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards In no event will Rockwell Automation be responsible or liable for indirect or consequential damage resulting from the use or application of these products Any illustrations charts sample programs and layout examples
10. EN P July 2002 8 Configurable Flowmeter Module Make Connections to the Field Wiring Arm Connect your I O devices to the 40 terminal field wiring arm cat no 1771 WN shipped with the CFM module EME Remove power to all I O devices before you connect them to the wiring arm Failure to remove power from your I O devices could cause e injury e damage to module circuitry e equipment damage due to unexpected operation The following tables and wiring diagrams represent wiring for a flowmeter input FO a gate input GO and an output O0 See the wiring arm diagram for the terminals used in wiring F1 F3 G1 G3 and O1 O3 FO wiring Terminal signal input 12 signal common 11 For this threshold ON OFF voltage Jumper 50 mV no jumper 500 mV 11 10 1 3V 11 9 Publication 1771 IN043B EN P July 2002 Even Numbered Odd Numbered Terminals 2 40 A Terminals 1 39 not used 2 f 1 Chassis GND notused 4 12 Ell 3 5V dc RET GORET 6 iE 2 5 G0 7 Gi G1RET s 2 5 FO 500mV H 10 1 9 FO TTL FO Input 12 gt 11 FORET F1 500mV 14 gt 13 FA TTL Ft Input 16 12 12 15
11. F1 RET dc source 1 12mA RET proximity pickup H 18 42 EZ 17 24V de source 1 12mA dc source 2 12mA RET proximity pickup 20 2 19 24V de source 2 12mA F2 500mV 2 12 ll 21 F2 m9 F2 Input 24 12 23 F2 RET F3 500mV H 26 12 Ell 25 F3 TTL F3 Input 28 1l 27 F3 RET G2RET 30 iI 7 29 x G3 RET 3 31 G3 Output 0 H 34 ZI 33 Customer V de 1 5 to 30V Customer V de 1 RET Outputs 0 amp 1 RET 36 1 35 Output 1 Output 2 38 1A AJ 37 Customer V de 2 5 to 30V Customer V de 2 RET Outputs 2 amp 3 RET 40 1A 39 Output 3 A 1771 WN Actual wiring runs in this direction If multiple power sources are used do not exceed the specified isolation voltage 10689 1 The sensor cable must be shielded The shield e must extend the length of the cable but be connected only at the 1771 I O chassis e must extend up to the point of termination Important The shield should extend to the termination point exposing just enough cable to adequately terminate the inner conductors Use heat shrink or another suitable insulation where the wire exits the cable jacket Standard Magnetic Pickup 50mV threshold F0 ae Ane l 1 Bl 3 4 s l 5 el 7 8 el 9 not used FO 500mV 10 12 FO Input Input Device _
12. Reset Total Reset Output 1 and Output 0 Trigger amp Select 2 Output 1 Trigger Tie Output 1 to Channel Output 0 Trigger Tie Output 0 to Channel Output 3 and Output 2 Trigger amp Select 3 Output 3 Trigger Tie Output 3 to Channel Output 2 Trigger Tie Output 2 to Channel Input Channel Operating Mode 4 Channel 3 Channel 2 Channel 1 Channel 0 Input Channel Configuration Channel 0 words 5 14 Channel 1 words 15 24 Channel 2 words 25 34 Channel 3 words 35 44 Frequency Bandwidth Sampling 4x Prover Debounce 5 15 25 35 Acceleration Calculation Time 6 16 26 36 Minimum Frequency Sampling Time 7 17 27 37 Number of Pulses to Terminate Sampling 8 18 28 38 Highest Allowable Frequency 9 19 29 39 Acceleration Alarm Value what rate to trigger on 10 20 30 40 Frequency Scaler Multiplier Frequency Scaler Divisor 11 21 31 41 Total Scaler Multiplier 12 22 32 42 Total Scaler Divisor 13 23 33 43 Rollover Value Most Significant Digit 0 999 x 10 000 14 24 34 44 Rollover Value Least Significant Digit 0 9 999 Output Configuration Output 0 words 45 48 Output 1 words 49 52 Output 2 words 53 56 Output 3 words 57 60 45 49 53 57 Output ON value Most Significant Digit 0 999 x 10 000 46 50 54 58 Output ON value Least Significant Digit 0 9 999 47 51 55 59 Output OFF value Most Significant Digit 0 999 x 10 000 48 52 56 60 Output OFF valu
13. al Control Equipment CSA CSA Certified Process Control Equipment CSA CSA Certified Process Control Equipment for Class Division 2 Group A B C D Hazardous Locations EEx European Union 94 9 EEC ATEX Directive compliant with EN 50021 Potentially Explosive Atmospheres Protection n CE2 European Union 89 336 EEC EMC Directive compliant with EN 50082 2 Industrial Immunity EN 61236 Meas Control Lab Industrial Requirements EN 61000 6 2 Industrial Immunity EN 61000 6 4 Industrial Emissions C Tick Australian Radiocommunications Act compliant with AS NZS 2064 Industrial Emissions 1 You use this conductor category information for planning conductor routing as described in publication 1770 4 1 Industrial Automation Wiring and Grounding Guidelines 2 See the Product Certification link at www ab com for Declarations of Conformity Certificates and other certification details Publication 1771 IN043B EN P July 2002 20 Configurable Flowmeter Module European Zone 2 Certification This equipment is intended for use in potentially explosive atmospheres as defined by European Union Directive 94 9 CE The LCIE Laboratoire Central des Industries Electriques certifies that this equipment has been found to comply with the Essential Health and Safety Requirements relating to the design and construction of Category 3 equipment intended for use in potentially explosive atmospheres given in Annex II to this Directive The e
14. ation ESD Immunity Radiated RF Immunity EFT B Immunity Surge Transient Immunity Conducted RF Immunity Emissions Enclosure Type Rating Keying lower backplane connector Field Wiring Arm Wiring Arm Screw Torque User Manual Certifications when product is marked Configurable Flowmeter Module 19 IEC 60068 2 1 Test Ad Operating Cold IEC 60068 2 2 Test Bd Operating Dry Heat IEC 60068 2 14 Test Nb Operating Thermal Shock 32 to 131 F 0 to 60 C IEC 60068 2 1 Test Ab Unpackaged Nonoperating Cold IEC 60068 2 2 Test Bb Unpackaged Nonoperating Dry Heat IEC 60068 2 14 Test Na Unpackaged Nonoperating Thermal Shock 40 to 185 F 40 to 85 C IEC 60068 2 30 Test Db Unpackaged Nonoperating Damp Heat 5 to 95 noncondensing IEC 60068 2 27 Test Ea Unpackaged Shock 30g 50g IEC 60068 2 6 Test Fc Operating 2g 10 500Hz IEC 61000 4 2 4kV contact discharges IEC 61000 4 3 10V m with 1kHz sine wave 80 AM from 30MHz to 1000MHz 10V m with 200Hz 50 Pulse 100 AM from at 900MHz IEC 61000 4 4 1kV 5kHz on signal ports IEC 61000 4 5 2kV line earth CM on signal ports IEC 61000 4 6 10V rms with 1kHz sine wave 80 AM from 150kHz to 30MHz CISPR 11 Group 1 Class A with appropriate enclosure None open style Between 2 and 4 Between 6 and 8 Catalog Number 1771 WN 9 pound inches 1 0Nm Publication 1771 6 5 99 See User Manuals on page 20 UL UL Listed Industri
15. ctions Read Block Words 41 max block transfer module 16 bit or block transfer module Write Block Words 60 max Key the Backplane The CFM module s printed circuit board is slotted in two places on the Con nector rear edge These slots are intended to mate with the plastic keying bands supplied with the 1 0 chassis ATTENTION Observe the following precautions when inserting or removing keys Incorrect keying or the use of a tool can result in damage to the backplane connector and possible e insert or remove keys with your fingers e make sure that key placement is correct system faults or D ai AZ me D me D me D Z7 Position the keying bands in the backplane connectors to correspond to the key slots on the CFM module y Place the keying bands Publication 1771 IN043B EN P July 2002 e between 2 and 4 e between 6 and 8 DE o op AN FF ws Install the Module When you insert or remove the WARNING module while backplane power is on or you connect or disconnect the wiring arm with field power applied an electrical arc can occur This could cause an explosion in hazardous location installations Be sure power is removed or the area is nonhazardous before proceeding Remove power from the 1771 I O chassis backplane before you install
16. d lug VO chassis shield and drain side plate 19480 twisted together Use the cup washer if crimp on lugs are not used Single point Grounding Extend shield to termination point Expose just enough cable to adequately terminate inner conductors NS hay SANNA DAT Use heat shrink tubing or other suitable insulation where wire exits cable jacket LA RS YAYAYA AVAVAVAYAY AY A Le ZT A _ shield and drain twisted together 10 thread forming screw external tooth washers 19923 Publication 1771 IN043B EN P July 2002 12 Configurable Flowmeter Module Configure the Module To configure the CFM module you enter BTW and BTR instructions into your ladder logic then you enter data into the BTW instruction This data should conform to the input device and specific application that you have chosen You can configure the module using I O configuration software or by editing bits in the BTW instruction During normal operation the processor transfers 1 to 60 words to the CFM module when you program a BTW instruction to the CFM module s address Wea You must program at least one BTW with a word length of 4 to get useful data back from the CFM module Your PLC processor gets data from the CFM module using BTR instructions in your ladder logic program The CFM
17. e Least Significant Digit 0 9 999 Valid BTW lengths are 0 1 2 3 4 14 24 34 44 48 52 56 60 ALL numeric values are in binary When scaling is used all outputs are still controlled by the actual value not the scaled value For detailed BTW descriptions see chapter 4 publication 1771 6 5 99 Publication 1771 IN043B EN P July 2002 Configurable Flowmeter Module 15 Interpret Module Status Your PLC processor gets data from the CFM module using BTR and Input Data instructions in your ladder logic program The CFM module transfers up to 41 words to the PLC processor s data table file The words contain module status and input data from each channel You should program a block transfer read length of zero 0 When a BTR of 0 is programmed the CFM module will determine the correct number of words 41 to return BTR Word Assignments Bit Cnn e ae a A a O E e SE Block ID amp Resets EENE Output Status amp Diagnostics 2 Output Status DS 11 L Error Words amp Diagnostics Mode Indication Channel 3 Channel 2 Channel 1 Channel 0 Channel 1 Status Channel 0 Status F VA Overrange Overflow Overspeed Acceleration Overrange Overflow Overspeed A Prover Status Alarm Status Alarm Alarm Z Prover Status Alarm Status Alarm Word s Acceleration Alarm Channel 3 Status Channel 2 Status 14 Overrange Overflow Overspeed Acceleration Hh Overrange Overf
18. e I O chassis 3 Restore power to the I O chassis FAULT backplane and wiring arm normal operation Important If the fault LED remains on there may be an internal problem Contact your local Allen Bradley representative for additional assistance Publication 1771 IN043B EN P July 2002 Configurable Flowmeter Module 17 Hazardous Locations The following information applies when operating this equipment in hazardous locations Products marked CL I DIV 2 GP A B C D are suitable for use in Class Division 2 Groups A B C and D Hazardous Locations and nonhazardous locations only Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code When combining products within a system the most adverse temperature code lowest T number may be used to help determine the overall temperature code of the system Combinations of equipment in your system are subject to investigation by the local Authority Having Jurisdiction at the time of installation EXPLOSION HAZARD e Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous e Do not disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous Secure any external connections that mate to this equipment by using screws sliding latches threaded connectors or other means provided with th
19. e utilisation en environnement de Classe 1 Division 2 e S assurer que l environnement est class non dangereux avant de changer les piles Publication 1771 IN043B EN P July 2002 18 Configurable Flowmeter Module Specifications Number of Input Channels Module Location Maximum Count Value BTW Processing Time worst case Module Scan Time Maximum Input Frequency Inputs per Channel Flowmeter FO F3 Input Voltage Flowmeter FO F3 Input Impedance Gate G0 G3 Voltage Gate G0 G3 Current Number of Outputs Maximum Output Off state Leakage Current Maximum On state Voltage Drop Output Control Output Voltage Output Current Output Switching Time Filtering FO F3 inputs jumper selectable Debouncing G0 G3 inputs software selectable Module de Source Output Backplane Current Customer Supply Isolation Voltage Module Power Dissipation Module Thermal Dissipation Maximum Adjacent Slot Power Dissipation Input Conductors Wire Type Category Length Output Conductors Wire Size Category Publication 1771 IN043B EN P July 2002 4 1771 A1B A2B A3B A3B1 A4B series A and B I O chassis 1771 AM1 AM2 I O chassis with integral power supply adapter 0 9 999 999 programmable 5 5ms on a configuration change 1 3 5ms depending on configuration and frequency 100kHz flowmeter Input maximum frequency is 120kHz 100kHz gate input overrange occurs at 100kHz
20. ge e scale the frequency and count to engineering units 1 This mode uses two channels for one input your input device is connected to FO or F2 while F1 or F3 is unused see cine You can assign outputs that are programmable to trigger Totalizer on total rate rate change acceleration total overflow or prover status Nonresettable Totalizer prover status on total rate rate change acceleration total overflow or High resolution Frequency on frequency or frequency rate of change acceleration Direction Sensor on either CLOCKWISE or COUNTER CLOCKWISE direction acceleration or frequency outputs are triggered ON only If you want to configure the module You through I O Configuration software if you are using a PLC 5 family processor enter the appropriate information on the CFM module edit screens by editing bits at the address of the BTW instruction edit the data file addresses in the BTW instruction to match your particular application Use the word assignments on page 14 to edit the bits that apply to your application s 1 See PLC 5 Programming Software I O Configuration Manual publication 6200 6 4 12 for supported processors Publication 1771 IN043B EN P July 2002 14 Configurable Flowmeter Module BTW Word Assignments Word s wil Pes Lu ss Li it Lo Los Los or Lo os os os o ot fo Block ID amp Resets Prover Run Initialize Overflow
21. is product Substitution of components may impair suitability for Class Division 2 If this product contains batteries they must only be changed in an area known to be nonhazardous Informations sur l utilisation de cet quipement en environnements dangereux Les produits marqu s CLI DIV 2 GP A B C D ne conviennent que une utilisation en environnements de Classe Division 2 Groupes A B C D dangereux et non dangereux Chaque produit est livr avec des marquages sur sa plaque d identification qui indiquent le code de temp rature pour les environnements dangereux Lorsque plusieurs produits sont combin s dans un syst me le code de temp rature le plus d favorable code de temp rature le plus faible peut eatre utilis pour d terminer le code de temp rature global du syst me Les combinaisons d equipements dans le syst me sont sujettes inspection par les autorit s locales qualifi es au moment de installation AVERTISSEMENT RISQUE D EXPLOSION e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher l quipement e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher les connecteurs Fixer tous les connecteurs externes reli s cet quipement laide de vis loquets coulissants connecteurs filet s ou autres moyens fournis avec ce produit e La substitution de composants peut rendre cet quipement inadapt a un
22. low Overspeed Acceleration DA Poversiaus rare Status Alarm Alarm A Prover SAUS Alarm Status Alarm Alarm Input Channel Data Channel 0 words 6 14 Channel 1 words 15 23 Channel 2 words 24 32 Channel 3 words 33 41 6 15 24 33 Percent of Full Scale Rate of High RPM value 7 16 25 34 Frequency 0 120 MSD 8 17 26 35 Frequency 0 999 LSD 9 18 27 36 Total MSD 0 999 10 19 28 37 Total LSD 0 9 999 11 20 29 38 Acceleration rate of change of frequency 13 22 31 40 Prover Total Count Value or Store Count Value MSD 0 999 14 23 32 41 Prover Total Count Value or Store Count Value LSD 0 9 999 A not used Numeric values are in binary except for Diagnostics word 2 bits 00 07 t For detailed BTR descriptions see chapter 5 publication 1771 6 5 99 Publication 1771 IN043B EN P July 2002 16 Configurable Flowmeter Module Diagnostics and The CFM module returns diagnostics to the PLC processor in words Troubleshooting one and two of the BTR file These diagnostics give you the word in the BTW configuration block that has caused an error to occur In the event that there are multiple incorrect IMPORTANT BTW words the CFM module only returns the first incorrect word 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 a are 7 7 7 7 t o LLL Header CFM module ID E Power up Bit indicates if a valid BTW VALUES 1 no or invalid BTW must be 00
23. mper than four CFM modules in this chassis The interaction between the four CFM modules and the 1771 P7 or 1771 PS7 power supply not 16A limit prevents the power supply from powering up If you are using the 1771 CFM as a Set the jumper to replacement for a 1771 QRC module no BTW 3 word BTR QRC n replacement for a 1771 QRD module 1 word BTW 9 word BTR QRD CFM module software configurable CFM 19807 Publication 1771 IN043B EN P July 2002 Set the Input Channel Jumpers These jumpers Are used to set flowmeter jumpers FO F3 flowmeter for low pass filter 70Hz or high speed operation gate jumpers G0 G3 gates for 5 12V or 12 30V operation The CFM module is configured for high speed operation If any input channel will be accepting input from a mechanical switch you need to set the flowmeter jumper for that input channel to filter operation Configurable Flowmeter Module Remove the four screws securing the side cover to the module and remove the covers 19805 Reposition the flowmeter and gate jumpers associated with each input channel according to your requirements The filter provides debouncing for the The flowmeter and gate jumpers can be set independent of each other mechanical switch you can select the filter action fo
24. plicable for explanations of the degrees of protection provided by different types of enclosures Also see the appropriate sections in this publication as well as the Allen Bradley publication 1770 4 1 Industrial Automation Wiring and Grounding Guidelines for additional installation requirements pertaining to this equipment Publication 1771 IN043B EN P July 2002 4 Configurable Flowmeter Module Preventing Electrostatic Discharge ATTENTION This equipment is sensitive to electrostatic discharge which can cause internal damage and affect normal operation Follow these guidelines when you handle this equipment e Touch a grounded object to discharge potential static e Wear an approved grounding wriststrap e Do not touch connectors or pins on component boards e Do not touch circuit components inside the equipment e Ifavailable use a static safe workstation e When not in use keep modules in appropriate static safe packaging Calculate Power Your CFM module receives its power through the 1771 I O chassis Requirements backplane from the chassis power supply The maximum current drawn by the CFM module is 0 8A Add this value to the requirements of all other modules in the I O chassis to prevent overloading the chassis backplane and or backplane power supply Setting the Module ATTENTION When using a 1771 P7 or 1771 PS7 power supply j ATTENTION to power an I O chassis you cannot place more Operational Ju
25. r each flowmeter input and a voltage for each and gate input independently ATTENTION The frequency of counting must F gt be less than 70Hz when the A 5 12V filter mode is selected If the FILTER _N n frequency exceeds 70Hz the a CFM module will not read the HIGH SPEED 2 a0 incoming pulse iS 5 i i o i I Pi Le gate jumpers OO flowmeter jumpers G2 A G3 oo 19806 1 In the filter position the module will not read frequencies above 70Hz 2 Jumpers are shown in default settings E Reposition the cover and secure with the four screws removed in step 1 Publication 1771 IN043B EN P July 2002 Determine CFM Module Configurable Flowmeter Module Place your module in any slot of the I O chassis except for the Placement extreme left slot This slot is reserved for processors or adapter modules Use of data table 2 slot addressing 1 slot addressing 1 2 slot addressing Input Image Bits 8 Output Image Bits 8 Place the CFM module in any Place the CFM module in any E module group with any 8 bit or module group with any 8 bit no restri
26. s in the BTW configuration block MUR You can assign as many as four outputs to a given channel however you can not use the same output with two different channels Modes of Operation Configurable Flowmeter Module 13 You configure the CFM module for these modes of operation Indicators Total Scaler Rollover Use this mode To Alarms P OVYe eset values value e accurately measure counts using a flowmeter or positive displacement meter e trigger outputs directly from the CFM module trigger on total frequency acceleration overrange e monitor flow total rate and rate of change overflow Totalizer independent of your PLC processor a times overspeed V V e store counts based on external input acceleration e scale the frequency and count to engineering units e interface to a prover operate in the Totalizer mode with the count en Nonresettable Totalizer reset function disabled to prevent loss of oveflow y accumulated value overspeed acceleration e monitor the frequency of an input with high accuracy e g shaft High resolution Frequency e monitor the rate of speed change ne channels 0 amp 1 or channels 2 amp 3 Aa E based on speed or acceleration e scale the frequency to engineering units e monitor the direction of shaft rotation e monitor rate of change and frequency Direction Sensor e trigger outputs based on direction frequency cere channels 0 amp 1 or channels 283 rate of change overran
27. shown in this publication are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Rockwell Automation does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Publication 1771 IN043B EN P July 2002 Configurable Flowmeter Module Publication 1771 IN043B EN P July 2002 Allen Bradley publication SGI 1 1 Safety Guidelines for Application Installation and Maintenance of Solid State Control available from your local Rockwell Automation office describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or part without written permission of Rockwell Automation is prohibited Throughout this publication notes may be used to make you aware of safety considerations The following annotations and their accompanying statements help you to identify a potential hazard avoid a potential hazard and recognize the consequences of a potential hazard Identifies information about practices or WARNING circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss
28. the CFM module Failure to remove power from the backplane could cause ATTENTION A At power up the active and fault indicators are on An initial module self check occurs If there is no fault the fault indicator turns off See page 16 for information on interpreting the status indicators e injury e equipment damage due to unexpected operation e degradation of performance The 1771 CFM module is a modular component of the 1771 I O system requiring a properly installed system chassis Refer to publication 1771 IN075 for detailed information on acceptable chassis proper installation and grounding requirements Limit the maximum adjacent slot power dissipation to 11W maximum Configurable Flowmeter Module 7 Place the module in the card guides on the top and bottom of the chassis that guide the CFM module into position Important Apply firm even pressure on the module to seat it into its backplane connector 1771 A1B A2B A3B A3B1 A4B I O chassis Snap the chassis latch over the top of the module to secure it Swing the chassis locking bar down into place to secure the modules Make sure the locking pins engage Attach the wiring arm 1771 WN to the horizontal bar at the bottom of the I O chassis The wiring arm pivots upward and connects with the module so you can install or remove the module without disconnecting the wires Publication 1771 IN043B
29. xamination and test results are recorded in confidential report No 28 682 010 Compliance with the Essential Health and Safety Requirements has been assured by compliance with EN 50021 1999 Observe the following additional Zone 2 certification requirements e This equipment is not resistant to sunlight or other sources of UV radiation e The secondary of a current transformer shall not be open circuited when applied in Class Zone 2 environments e Equipment of lesser Enclosure Type Rating must be installed in an enclosure providing at least IP54 protection when applied in Class Zone 2 environments e This equipment shall be used within its specified ratings defined by Allen Bradley e Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 40 when applied in Class Zone 2 environments User Manuals Thank you for purchasing this product This product has a user manual associated with it If you would like a manual you can e download a free electronic version from the internet www ab com manuals or www theautomationbookstore com e purchase a printed manual by contacting your local distributor or Rockwell Automation representative visiting www theautomationbookstore comand placing your order calling 1 800 963 9548 USA Canada or 001 330 725 1574 Outside USA Canada The publication number of the user manual for your product is listed under
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