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1794-UM011C-EN-E FLEX I/O Frequency Input Module User Manual

1. 35 and 51 common 34 and 50 24V DC 16 and 33 chassis ground 40 45 chassis ground 45328 Connect Wiring to the FLEX 1 0 Frequency Input Module Wiring to the Frequency Input module is made through the terminal base unit on which the module mounts The module is compatible with the 1794 TB3G 1794 TB3GK and 1794 TB3GS terminal base units Publication 1794 6 5 11 September 2011 22 Install Your FLEX I O Frequency Input Module Publication 1794 6 5 11 September 2011 Connecting Wiring Using a 1794 TB3G 1794 TB3GK or 1794 TB3GS Terminal Base Unit 1 3 Connect individual signal witing to numbered terminals on the 0 15 row A and 17 32 row B on the terminal base unit as indicated in the table below Connect output signal and supply wiring to the numbered terminals on rows B and C as shown in the figure 1794 TB3G 1794 TB3GK and 1794 TB3GS Wiring Connections on page 21 Terminate shields to terminals 16 or 33 on row B or 40 45 on row C Connect 24V DC to terminal 34 on the 34 51 row C and 24V common to terminal 35 on the 34 51 row C ATTENTION To reduce susceptibility to noise power frequency modules and digital gt 5 ATTENTION ATTENTION ala ATTENTION modules from separate power supplies Do not exceed a length of 10
2. 1794 ACN15 1794 ACNR15 1794 ACNR15K 1794 ADN 1794 AENT 1794 APBDPV1 1794 ASB 1794 APB 1 The adapter transfers your configuration data Adapter to the module using a BTW 1794 AENT shown FlexBus Allen Bradley gt 7 Nue is 1794 lJ2 C moobute status Flex IO Mmmm FREQUENCY INPUT 2 CHANNEL C network status 4 1 CO unksrarus Binsin rowormeme Your ladder program instructs the adapter to perform a BTR of the ee Oe aaa zll values and stores them in a 22 OOOOOOOOOOOOOOOO aoa ES ES E data table mm OOOOO0O000000000000 LN exienwer aooness onanseaeos7 eej Sa rn a a Bu OOOOOOOOOOOOOOOOO0 AUG 5 The adapter module determines that the transfer was made without error and input values are within specified range 6 Your ladder program can use and or transmit the data if valid before it is overwritten by the transfer of new data in a subsequent transfer 7 Your ladder program performs BTWs to Publication 1794 6 5 11 September 2011 the module when you power it up and any time you wish to reconfigure the module 1 AoA transfer The module converts frequency signals into integer format and stores these values u
3. OOCOOOCOOOOCOOCOOCOO OO000000000000000 OO00000000000000 0000000000000000 O0000000000000000 0000000000000 0000 00000000000000 000 00000000000000000 QQpOOOOCOCOOO0OO0000 QOO0000000000000 O OO0000000000000 QQOOOCO0OO0000000 Oo 45556 Total current draw through any base must not be greater than 10 A Publication 1794 6 5 11 September 2011 1794 TB3G or 1794 TB3GK 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 34 and 50 24V DC 35 and 51 common 16 and 33 chassis 40 45 chassis ground Install Your FLEX 1 0 Frequency Input Module 21 ATTENTION Take note of the following considerations when wiring your terminal base units AN e All modules must be frequency or analog modules for the daisychain configuration Use the individual type of configuration for any noisy DC digital 1 0 modules in your system e All modules powered by the same power supply must be frequency or analog modules for the combination type of configuration Wire the Terminal Base Units Wiring the FLEX I O Frequency Input module is done using the 1794 TB3G 1794 TB3GK or the 1794 TB3GS terminal base unit 1794 TB3G 1794 TB3GK and 1794 TB3GS Wiring Connections 1794 TB3GS OF 1 23 4 5 16 78 9 10 At 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Label placed at top of wiring area FARRAR ARARAR RAR AAA AA BRRRRRRRRRRRRRRRRRR R88RRRRRRRRRRRRRRR
4. C MODULE status NETWORK status unk status 45568 Adapter transfers read and write configuration data to and from the I O module terminal base contains a terminal strip to terminate wiring for two or three wire devices Publication 1794 6 5 11 September 2011 2 Overview of the Frequency Input Module E Type of Modules Usage of the Frequency Input Module Publication 1794 6 5 11 September 2011 I O module contains the bus interface and circuitry needed to perform specific functions related to your application The 1794 FLEX system consists of an adapter module terminal base unit DIN rail power supply and adapter cabling components You can use up to 8 terminal bases per adapter module For detailed instructions to set up and install your module refer to the topic Install Your FLEX I O Frequency Input Module on page 13 The FLEX I O Frequency Input modules refer to the following catalogs Catalog No Voltage Inputs Outputs Description 1794 J2 24VDC 2 2 Digital 2 pt 24V DC input frequency module 1794 J2K 24VDC 2 2 Digital 2 pt 24V DC input frequency module conformally coated 1794 J2XT 24VDC 2 2 Digital 2 pt 24V DC input frequency module for extended temperature The frequency input module is an intelligent I O module designed to perform high speed frequency algorithms The module provides 2 Frequency
5. 24 23 20 25 26 29 500mV AC Magnetic Pickup 24 22 20 25 2 29 50mV AC Magnetic Pickup 24 22 20 25 27 29 1 2 RET not used on 2 wire devices 3 4 As defined by standard IEC 1131 2 Gate channel 0 21 20 channel 1 28 29 5 6 7 Connect cable shields to GND terminals 24V terminal may not be used on 2 wire magnetic devices All 4 RET terminals ch 0 and 1 Freq Gate are internally connected together Add external resistor from 24V to F or G for wire off detection 0 4 mA 50 KQ Add a jumper between 50 mV and RET Frequency channel 0 3 4 channel 1 11 12 GND 9 Total current draw through the terminal base unit is limited to 10 A ATTENTION i Separate power connections to the terminal base unit may be necessary Publication 1794 6 5 11 September 2011 24 Install Your FLEX 1 0 Frequency Input Module Connections for Terminal Base 1794 TB3G shown 0 1 2 3 4 5 6 7 8 9 0 Wh 12 153 M 15 SISISISISISISISISISISISIS SIS S 3V 6V 24V RET 50 500 50 F 24V 24V F 500 50 50 RET 24V 6V 3V Pwr mV mV Pwr Pwr mV mV Pwr Sel Sel Channel 0 Frequency Input Channel 1 Frequency Inpu 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 SISISISISISISISISISISISISISISISISIS OutO Out0 RET 50 500 50 G 24V 24V G 500 50 50 RET Out 1 Out 1 Ret mV mV Pwr Pwr mV mV Ret Chassis Gnd Sel Sel Chass
6. Flex I O Digital DC Sourcing Input and Sinking Output Modules Installation Instructions publication 1794 IN095 Information on how to install the Flex I O Digital DC Sourcing Input and Sinking Output Modules Catalog No 1794 IV16 1794 0V16 1794 OV16P Flex I 0 Digital DC Sourcing Output Modules Installation Instructions publication 1794 IN094 Information on how to install the Flex I O Digital DC Sourcing Output Modules Catalog No 1794 OB8 1794 OB8EP 1794 0B16 1794 OB16P 1794 0B32P Flex 1 0 Input Output Module Installation Instructions publication 1794 IN083 Information on how to install the Flex 1 0 Input Output Modules Catalog No 1794 IB16XOB16P 1794 IB10XOB6 Flex 1 0 8 Output Relay Module Installation Instructions publication 1794 IN019 Information on how to install the Flex I O 8 Output Relay Modules Catalog No 1794 OW8 1794 OW8K 1794 0W8XT FLEX 1 0 Input Output and Input Output Analog Modules Installation Instructions publication 1794 IN100 Information on how to install the FLEX I O Input Output and Input Output Analog Modules Catalog No 1794 IE8 1794 IEAXOE2 1794 OE4 1794 IE8K 1794 OE4K FLEX I O Analog Module User Manual publication 1794 6 5 2 Information on how to install the FLEX I O Analog Modules Catalog No 794 OE4 1794 IE8 1794 IE12 1794 OE12 1794 IEAXOE2 1794 IE8XOE4 1794 IE4XOE2XT 1794 IE8XT 1794 OE4XT FLEX 1 0 Isolated Analog Output Mo
7. Initiate Startup Select channel 0 Alerts a channel that if process start up is in progress to defeat the missing pulse alarm for a time determined by the missing pulse delay multiplier 0 Normal Run Mode Startup Mode defeat delay Missing Pulse Alarm Default 0 Normal Run Mode Publication 1794 6 5 11 September 2011 44 Read and Write Configuration Maps for the FLEX I O Module Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Word 3 Bit 07 Minimum Frequency Sampling Time channel 0 Specifies the minimum time in ms the module spends collecting pulses to determine the Frequency Bits 08 11 10 13 Bit 11 10 09 08 Minimum Frequency Sampling Time in ms 13 12 11 10 0 2 4 5 1 0 0 20 1 50 0 100 200 0 500 0 0 0 0 0 0 0 0 0 1 0 1 0 1 0 1 1 0 1 0 0 0 1 1 0 0 1 1 0 0 1000 1010 1111 not used 2 ms default sample time used Bit 12 14 Invert Select Frequency Input channel 0 Selects whether to invert the Frequency input signal if not using an Active High 24V On 24V DC IEC 1 sensor or Normally Open relay or switch contact on the 24V DC Frequency Input terminal Allows compatibility with an Active Low OV On 24V DC IEC 1 sensor or Normally Closed relay contact on the 24V DC Frequency Input terminal 0 Normal
8. Vibration IEC 60068 2 6 Test Fc Operating 5g 10 500 Hz Shock operating IEC 60068 2 27 Test Ea Unpackaged Shock 30g Shock non operating IEC 60068 2 27 Test Ea Unpackaged Shock 50g Emissions CISPR 11 Group 1 Class A with appropriate enclosure Publication 1794 6 5 11 September 2011 58 Specifications Publication 1794 6 5 11 September 2011 Environmental Specifications Attribute Value ESD immunity IEC 61000 4 2 4 kV contact discharges 1794 1J2 and 1794 1J2K 6 kV contact discharges 1794 IJ2XT 8 kV air discharges EFT B immunity IEC 61000 4 4 2 kV 5 kHz on power ports 2 kV 5 kHz on shielded signal ports Surge transient IEC 61000 4 5 immunity 2 kV line earth CM on shielded signal ports Conducted RF immunity IEC 61000 4 6 10V rms with 1 kHz sine wave 80 AM from 150 kHz 80 MHz on shielded signal ports Certifications Certifications when Value product is marked c UL us UL Listed Industrial Control Equipment certified for US and Canada See UL File E65584 UL Listed for Class I Division 2 Group A B C D Hazardous Locations certified for U S and Canada See UL File E194810 CSA CSA Certified Process Control Equipment See CSA File LR54689C 1794 1J2 1794 IJ2K CSA Certified Process Control Equipment for Class Division 2 Group A B C D Hazardous Locations See CSA File LR69960C CE European Union 2004
9. 02 01 00 Word Read 5 Reserved Diagnostic Status Reserved Diagnostic Status Channel 0 Channel 1 6 Reserved Where R Reserved GS Gate state F A Frequency Acceleration alarm WO Wire off alarm MPA Missing pulse alarm Output Map Dec 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Oct 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 0 CF SSM FR Number of pulses to MPM 0 3 R LF FR Number of pulses to MPM ChO terminate sampling Ch 0 Ch 1 terminate sampling 0 3 0 7 Ch 0 0 7 Ch 1 Ch 1 1 Maximum Frequency 0 32 767 or 0 0 3 276 7 or Absolute Value of Acceleration 0 32767 Channel 0 2 Frequency Scaling Divisor 0 255 Channel 0 Frequency Scaling Multiplier 0 255 Channel 0 3 WOFG WOFF IGI IH Minimum Frequency InitSt ACTO 3 F AA MPDM WOFM ChO ChO ChO ChO Sample Time 0 15 Up Ch 0 SChO 0 3ChO 0 3Ch0 Ch 0 Ch 0 4 Maximum Frequency 0 32 767 or 0 0 3 276 7 or Absolute Value of Acceleration 0 32 767 Channel 1 5 Frequency Scaling Divisor 0 255 Channel 1 Frequency Scaling Multiplier 0 255 Channel 1 6 WOFG WOFF IGI IFI Minimum Frequency Init St ACT 0 3 F AAS MPDM WOFM Chi Chi Ch1 Ch1 Sample Time 0 15 Ch 1 Up Ch 1 Ch 1 0 3 Ch 1 0 3Ch1 Ch 1 7 Reserved Where CF Communication fault WOFF Wire off fault frequency SSM Safe state mode FR Frequency range R Reserved MPM Missing pulse multiplier LF Local Fault mode F AAS Frequen
10. 32767 1 0 3276 7 Minimum Frequency Sample Time 2 100 Acceleration Calculation Time Rolling Average 8 16 32 Missing Pulse Multiplier None 2 8 32 Pulses to Terminate Sampling Minimum Frequency Sample Time 2 4 8 16 32 Wire off Missing Pulse Fault Select Mode Disabled Alarm Only Alarm Maximum Frequency Alarm Minimum Frequency You should now see the 1794 IJ2 module added to your I O Configuration tree 1 0 Configuration 65 1756 Backplane 1756 A7 fa 0 1756 163 IRT8 flex BJ 6 1756 ENBT ENBT Bs Ethernet 1794 AENT AENT J FlexBus amp 0 1794 IRTS amp 1 1794 IRTS amp 2 1794 1024 I2 BJ 1756 ENBT ENBT To be able to check if your configured parameters are acceptable and the configuration is successful you need to go online Refer to the RSLogix 5000 Online Help for detailed descriptions of the configuration parameters This chapter provided instructions and required parameters for setting up your FLEX I O module on an EtherNet IP network Publication 1794 6 5 11 September 2011 34 Configure Your FLEX I O Module with RSLogix 5000 Software Notes Publication 1794 6 5 11 September 2011 Overview Configure Your Frequency Input Module Read Data From Your Module Chapter 4 Read and Write Configuration Maps for the FLEX 1 0 Module This chapter describes how to configure read data from and map data to your Frequency Input
11. RAM failure 39 53 range bit 37 read programming 35 read words 35 36 37 Requested Packet Interval RPI 31 resistor 23 resolution 25 ROM failure 39 rotation clockwise 11 counterclockwise 11 direction 38 RSLogix 5000 29 32 S safe state 52 sampling time 8 25 35 44 scaling 8 sensors 11 shunt resistor 44 48 51 SLC 23 specification DIN rail 15 startup select 43 status alarm outputs 51 diagnostic 39 frequency and gate inputs 51 indicator 52 T tags 5 terminal base 1 13 14 15 17 19 grounding 22 installation 14 mount 14 replace 14 wiring 14 21 wiring methods 14 Index 75 throughput 8 troubleshoot 51 turbine metering 5 V vortex flowmeter 6 W wire off 33 44 26 wiring 1794 TB3G 1794 TB3GS 1794 TB3GK 21 frequency module 21 illustration 14 20 methods 14 onnecting 22 terminal base 21 word definition 37 40 write word 39 35 40 Z zero frequency 9 Publication 1794 6 5 12 September 2011 76 Index Notes Publication 1794 6 5 12 September 2011 Rockwell Automation Support Rockwell Automation provides technical information on the Web to assist you in using its products At http www rockwellautomation com support you can find technical manuals a knowledge base of FAQs technical and application notes sample code and links to software service packs and a MySupport feature that you can customize to make the best use of these tools For an additional level of
12. 1794 TB3G 1794 TB3GK and 1794 TB3GS terminal base units It also includes instructions for connecting wiring to the FLEX I O module Wiring the Terminal Base Units 1794 TB3G shown Daisy chaining Frequency input Frequency input Analog Frequency input module module module module MN O000000000000000 O900000000000000 CO09000000000000 O000000000000000 OOOO00000000000000 DOOOO0COO000000000 DO000000000000000 2OO00000000000000 OOCOOO00COC000000000 O000000000000000 O O0000000000000000 C000000000000000 O Cou eS HN Wiring when total current draw is 10 A 24V DC Individual Digital input Frequency input Digital input Digital output module module module module OOOCOOCOOOOOOOOOOCO OOOOOOOOOOOCOOCOOO OOO00000000000000 0000000000000000 OOOOOOOOOOOOOCOOO OOOOCOOOCOOOOOOOOO0 9OOOCOOOOCOOOCOOO00 gCOOOCOOOOOCCOOCOCOCO OO00000000000000 OO0000000000000 0E 0000000000000000 OO0000000000000 0 24V DC Wiring when total current draw is greater than 10 A Combination Analog Frequency input Frequency Input Frequency input module module module module
13. 2011 Schematics 63 Output channel 2 Supply E 10 KW D5 68V Q 10 31 2V Output BF TEMPFET Alarm E 3 83 KW Outputo gt A 06 Hai 3 83 KW 1A max Y RTI Www Supply return 45355 Customer supplied power ranging from 10V 31 2V DC is connected internally to the power output transistor When an output is turned on current flows into the source out of the drain through the load connected to the ground of the customer supply customer return Diode D6 protects the power output transistors from damage due to inductive loads Output Q1 is a thermally protected FET and will turn off 3A approximately After an output goes into thermal shutdown you must fix the cause of the shutdown and toggle the outputs ON and OFF to reenergize the output RT1 protects D6 and Q1 if power supply polarity is reversed DC to DC Converters 24V DC Power Supplies The module provides two 24V 10 power sources rated at 15 mA each Each power source can power one Bently Nevada 3300 5 mm 0 197 in or 8 mm 0 315 in Proximity Transducet Frequency O 15 mA Channel 0 30 mA current limit GateO 15mA 24V DC from DC DC terminal base converter To customer devices Frequency 1 15 mA Channel 1 30 mA current limit e Gate1 15mA max The frequency input module isolated power supply consists dn of 1 isolated 24V DC power supply that provides 2 current limit
14. Active High 24V On Invert input Active Low OV On Default 0 Normal Active High 24V On Bit 13 15 Invert Select Gate Input channel 0 Selects whether to invert the Gate input signal if not using an Active High 24V On 24V DC IEC 1 sensor or Normally Open relay or switch contact on the 24V DC Gate Input terminal Allows compatibility with an Active Low OV On 24V DC IEC 1 sensor or Normally Closed relay contact on the 24V DC Gate Input terminal 0 Normal Active High 24V On 1 Invert input Active Low OV On Default 0 Normal Active High 24V On Bit 14 16 Wire Off Fault Select Frequency Input channel 0 Selects whether to turn On or Off the 24V DC Frequency input IEC 1 hardware Wire Off Lead Breakage detection 0 Disable 1 Enable Default 0 Disable Note Customer devices must draw more than 0 4 mA in the On and Off State To use this feature with relays or switches connect a shunt resistor 50K across the contacts Bit 15 17 Wire Off Fault Select Gate Input channel 0 Selects whether to turn On or Off the 24V DC Gate input IEC 1 hardware Wire Off Lead Breakage detection 0 Disable 1 Enable Default 0 Disable Note Customer devices must draw more than 4 mA in the On and Off State To use this feature with relays or switches connect a shunt resistor 50K across the contacts Publication 17
15. DC Indicators field side driven logic side indication 1 green red power status indicator 4 yellow status indicators Freq 0 1 Gate 0 1 4 red wire off indicators Freq 0 1 Gate 0 1 2 yellow status indicators Out 0 Out 1 logic side Keyswitch position 1 Wire size Determined by installed terminal base Wiring category 2 on signal ports 3 on power ports Wire type Shielded on signal ports Terminal screw torque Determined by installed terminal base Enclosure type rating None open style North American temp code T4A IEC temp code T4 Use this Conductor Category information for planning conductor routing Refer to Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Environmental Specifications Attribute Value Temperature operating 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 0 55 C 32 131 F 1794 1J2 and 1794 1J2K 20 70 C 4 158 F 1794 1J2XT Temperature non operating IEC 60068 2 1 Test Ab Unpackaged Non operating Cold IEC 60068 2 2 Test Bb Unpackaged Non operating Dry Heat IEC 60068 2 14 Test Na Unpackaged Non operating Thermal Shock 40 85 C 40 185 F Relative humidity IEC 60068 2 30 Test Db Unpackaged Damp Heat 5 95 noncondensing
16. IJ2 BTW J2 BTW Error Bit Error Bit B17 0 B17 0 U 3 3 PLC 5 Family Processor 45563 Block transfer instructions with the PLC 5 processor use a control file and a data file The block transfer control file contains the data table section for module location the address of the block transfer data file and other related data The block transfer data file stores data that you want transferred to the module when programming a BTW or from the module when programming a BTR The programming terminal prompts you to create a control file when a block transfer instruction is being programmed A different block transfer control file is used for the read and write instructions for your module Publication 1794 6 5 11 September 2011 68 PLC 5 Processor Program Example Program Your Module with PLC Processors Rung 2 0 The IJ2 module is located in rack 1 I O group 2 slot 0 The integer control file starts at N22 200 is 5 words long and is compatible with all PLC 5 family members The data obtained by the PLC 5 processor from the IJ2 module is placed in memory starting at N22 101 and with the default length of 0 is 7 words long The length can be any number between 0 and 7 In enhanced PLC 5 processors the block transfer data type may be used as a control file IJ2 BTR IJ2 BTR IJ2 BTW Control File Enable Bit Enable Bit BTR N22 200 N22 205 BLOCK TRANSFER READ HEN H Rack 01 1 1 as Group 2
17. Information on how to install the FLEX 1 0 48V DC Input and Output Modules Catalog No 1794 IC16 1794 0C16 FLEX I 0 AC Digital Input Modules Installation Instructions publication 1794 IN102 Information on how to install the FLEX I O AC Input Modules Catalog No 1794 IA8 1794 IA8I 1794 IA16 FLEX 1 0 Digital AC Output Modules Installation Instructions publication 1794 IN103 Information on how to install the FLEX I O Digital AC Output Modules Catalog No 1794 0A8 1794 0A8K 1794 OA8I 1794 0A16 FLEX 1 0 220V AC Input and Output Modules Installation Instructions publication 1794 IN104 Information on how to install the FLEX 1 0 220V AC Input and Output Modules Catalog No 1794 IM8 1794 0MB FLEX 1 0 Terminal Base Units Installation Instructions publication 1794 IN092 Information on how to install the FLEX I O Terminal Base Units Catalog No 1794 TB2 1794 TB3 1794 TB3K 1794 TB3S 1794 TB32 1794 TB3G 1794 TB3GK 1794 TB3GS 1794 TB3T 1794 TB3TS 1794 TBN 1794 TBNK 1794 TBNF Interconnect Cable Installation Instructions publication 1794 5 12 Information on how to install the Interconnect Cable Catalog No 1794 CE1 1794 CE3 Publication 1794 6 5 11 September 2011 xii Preface Resource Description FLEX 1 0 DC Power Supply Installation Instructions Information on how to install the FLEX 1 0 DC Power Supply publication 1794 IN069 Catalog No 1794 PS1
18. Open relay or switch contact on the 24V DC Frequency Input terminal Allows compatibility with an Active Low OV On 24V DC IEC 1 sensor or Normally Closed relay contact on the 24V DC Frequency Input terminal 0 Normal Active High 24V On Invert input Active Low OV On Default 0 Normal Active High 24V On Publication 1794 6 5 11 September 2011 48 Read and Write Configuration Maps for the FLEX I O Module Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Word 6 Bit 13 15 Invert Select Gate Input channel 1 Selects whether to invert the Gate input signal if not using an Active High 24V On 24V DC IEC 1 sensor or Normally Open relay or switch contact on the 24V DC Gate Input terminal Allows compatibility with an Active Low OV On 24 V DC IEC 1 sensor or Normally Closed relay contact on the 24V DC Gate Input terminal 0 Normal Active High 24V On 1 Invert input Active Low OV On Default 0 Normal Active High 24V On Bit 14 16 Wire Off Fault Select Frequency Input channel 1 Selects whether to turn On or Off the 24V DC Frequency input IEC 1 hardware Wire Off Lead Breakage detection 0 Disable 1 Enable Default 0 Disable Note Customer devices must draw more than 0 4 mA in the On and Off State To use this feature with relays or switch
19. Parent AENT Name mu 00 Slot p oa Description ti g CommFomat mpuDaa st vj Revision h ox Electronic Keying Compatible Keying gt In Disable Keying Exact Match v Open Module Properties Cancel Help Configure Your FLEX I O Module with RSLogix 5000 Software 31 Complete the following fields and click OK Name Description Comm Format Electronic Keying 4 On the Connection tab specify a value for the Requested Packet Interval RPD E Module Properties AENT 2 1794 IJ2 A 1 1 I General Connection Module Info Fault Action Configuration Alarms Requested Packet Interval RPI poo ms 2 0 750 0 ms Inhibit Module Major Fault On Controller If Connection Fails While in Run Mode Module Fault Status Offline Cancel Apply Help 5 On the Fault Action tab specify the following Fault Mode Communication Fault Behavior E Module Properties AENT 2 1794 IJ2 A 1 1 General Connection Module Info Configuration Alarms Eault Mode Communications Fault Communication Fault Behavior Reset Outputs v Note The Communications Fault Bit in the Module Configuration Data must be set to enable Alarm Outputs Status Offline Cancel Apply Help Publication 1794 6 5 11 September 2011 32 Configure Your FLEX I O Module with RSLogix 5000 Software 6 On the Configuration tab specify the following Channel Frequency ot
20. Table Mapping 40 Chapter SORIA TY sie eo cepa bsec rte hp gS o a 53 Appendix A What This Appendix Contains asa tede b OE ER 55 Appendix B COV OTIC PETRI rt 59 Updating EDS File 6 oues Ls ie b e ES Ai 59 EDS Installation srana eel wre ADR AGE el wr ae ode a ahd 60 Appendix C What This Appendix Contains as essis sesser queER ea ESSERE TA 61 Gate LONE Ss Betis ooo oe Ee ede Hd eodd PR ea ar ete 61 EJUEDUT Gh bn 21 fc A egent eden dt aaa cc needed tur Ada LM 62 Digital Outputs ep UI pert e be e IURE 62 DC to DC Converters 24V DC Power Supplies 63 Appendix D CIV NE SUA oU Lido E ert px M CA A ie Se pA E E 65 Enter Block Transfer Instructions esseeeeeeeeeeeee 65 PLC 2 Family ProcessOt tc sireno dara Rer E RR DIA 66 PLC 3 Family Processor ou oo ob eorr odo d e Pg a 66 BGS Family Processof s voe oos ot ae e I ie Brendale 67 PLC 5 250 Family Processor 4 25 ee Ee TUR acci eek des 68 Index Preface Read this preface to familiarize yourself with the rest of the manual It provides information concerning who should use this manual the purpose of this manual related documentation conventions used in this manual terminology used in this manual i We assume that you have previously used an Allen Bradley programmable 0 ou se IS y P y prog Manual controller that you are familiar with its features and that you are familiar with anua the terminology we use If not read t
21. actual or scaled exceeds the user programmed Maximum Frequency or the absolute value of calculated Acceleration Deceleration exceeds the user programmed Maximum Acceleration Value The Frequency Alarm turns off when the Frequency drops below 9596 of the Alarm Value The Acceleration Alarm turns off when the Acceleration drops below 9096 of the Alarm Value Bit 03 Gate Input State channel 1 Indicates if there is a valid signal on the gate input This parameter is only determined once every 0 5 2 s Bits 04 05 Direction channel 1 Indicates the current Direction of Rotation using both the Frequency and Gate inputs Frequency leads Gate Clockwise Gate leads Frequency CounterClockwise Used for slow speed detection from 1 1 500Hz No or Stopped rotation can be determined by the state of the Missing Pulse Alarm when it is switched on A missing Frequency Input generates a Missing Pulse Alarm a missing Gate Input only generates a No Sensor Present Detected status 3 Bits 06 07 Not used Bits 08 10 Missing Pulse Alarm channel 0 Indicates that no frequency input pulse has occurred within the period determined by the Minimum Frequency Sampling Time and the Missing Pulse Multiplier Primary control is given to the Missing Pulse Multiplier to determine when this bit is set However if the Missing Pulse Multiplier is set to 0 then the Minimum Frequency Sampling Time characteristics determines when this bit is set B
22. form publication RA DU002 available at http www rockwellautomation com literature Rockwell Otomasyon Ticaret A S Kar Plaza Ig Merkezi E Blok Kat 6 34752 erenk y stanbul Tel 90 216 5698400 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 NV Pegasus Park De Kleetlaan 12a 1831 Diegem 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 1794 6 5 11 September 2011 Supersedes publication 1794 6 5 11 November 1997 Copyright 2011 Rockwell Automation Inc All rights reserved
23. m 33 ft for DC power cabling If daisychaining the 24V DC power to the next 1794 TB3G or 1794 TB3GS base unit connect a jumper from terminal 50 24V on this base unit to terminal 34 and from terminal 51 24V DC common to terminal 35 on the next 1794 TB3G or 1794 TB3GS base unit Use extreme care when connecting wiring to an adjacent terminal base unit Wiring for the 1794 TB3G and 1794 TB3GS terminal base units is different from other 1794 terminal base units Do not daisychain power or ground from the 1794 TB3G or 1794 TB3GS terminal base unit to any AC or DC digital module terminal base unit 24V DC power must be applied to your module before operation If power is not applied the module position will appear to the adapter as an empty slot in your chassis If the adapter does not recognize your module after installation is completed cycle power to the adapter Wiring Connections for the Frequency Input Module Install Your FLEX 1 0 Frequency Input Module 23 Channel 0 Terminals Channel 1 Terminals Types of Inputs Power Input peti Power Input pp Frequency 24V DC IEC1 Proximity 7 6 3 8 g 12 24V DC Contact Switch 7 6 3 8 9 12 500mV AC Magnetic Pickup 7 6 5 3 8 10 12 50mV AC Magnetic Pickup 7 5 3 8 10 12 6V AC Vortex 2 1 3 13 14 12 3V AC Vortex 2 0 3 13 15 12 Gate 24V DC IEC14 Proximity 2 24 23 20 25 26 29 24V DC Contact Switch
24. p Publication 1794 6 5 11 September 2011 30 Configure Your FLEX I O Module with RSLogix 5000 Software 1 Select New Module for the I O Configuration Trends 1 0 Corfiguration Right click the local communication module E 9 1755 Eackplene 1756 A4 Publication 1794 6 5 11 September 2011 fa 0 1756 L55 ForScreenshots J 1 1756 ENBT 4 LocalEthernetModule gy Ethernet 1791 AENT A RemoteEthernetModule Select New Module 5d FlexBus 8 1756 ENBT A LccaEthernetModule amp Cut Ctri X Ba Copy Ctrl e trh Delete Del Cross Reference CtrhHE Properties Alt Enter 2 The Select Module dialog appears Select Module Description 1784 OV18P JA 16 Pcint 24V DC Protected Output Sink 1794 OW8 A B Point Relay Output Sink Source 1794 VHSC A Very High Speed Courter 1797 IEN16 A 16 Point NAMUR 8Y DC Input Counter 1797 IE8 A 8 Channel Analog Input 1797 IESH A 8 Channel Analog Input HART 1797 IESNF A 8 Channel Analog Input Noise Filter 1797 I22 A 2 Input Frequency Module 1797 IR T8 A 8 Channel 244 DC RTD Thermecouple Anaog Input 1797 O84D A 4 Point 24v DC Output Source 1797 CEB A 8 Channel Analog Cutput 1797 CESH A amp Channel Analog Output HART 2 Input Freauen Find Add Favorite By Category Select the FLEX I O module from the Specialty module type Click OK 3 The New Module dialog appears New Module x Type 1794 274 2 Input Frequency Module Vendor Allen Bradley
25. technical phone support for installation configuration and troubleshooting we offer TechConnect support programs For more information contact your local distributor or Rockwell Automation representative or visit http www rockwellautomation com support Installation Assistance If you experience a problem within the first 24 hours of installation review the information that is contained in this manual You can contact Customer Support for initial help in getting your product up and running United States or Canada 1 440 646 3434 Outside United States or Use the Worldwide Locator at http www rockwellautomation com support americas phone en html or contact Canada your local Rockwell Automation representative New Product Satisfaction Return Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing facility However if your product is not functioning and needs to be returned follow these procedures United States Contact your distributor You must provide a Customer Support case number call the phone number above to obtain one to your distributor to complete the return process Outside United States Please contact your local Rockwell Automation representative for the return procedure Documentation Feedback Your comments will help us serve your documentation needs better If you have any suggestions on how to improve this document complete this
26. this terminal base unit 7 Repeat the above steps to install the next terminal base unit Ensure that the cover of the FlexBus connector on the last terminal base unit is in place Mount on a Panel or Wall Installation of a FLEX I O system on a wall or panel consists of laying out the drilling points on the wall or panel drilling the pilot holes for the mounting screws mounting the adapter mounting plate Install Your FLEX 1 0 Frequency Input Module 17 installing the terminal base units and securing them to the wall or panel Use the mounting kit Cat No 1794 NM1 for panel or wall mounting 1794 NM1 Mounting Kit Millimeters 35 5 inches CJ MODULE status CI NETWORK status O unk status SSS ELV OG ooooo jjOOOOOOOcOOG OO f Yo Qa amp 9OCOCOCOOOOOOOOSCA OO0O00000 RIS OQOOOOCOOOO F e rcu 45323 Terminal base unit not included 2 6 Self tapping screws 4 Adapter module not included To install the mounting plate on a wall or panel 1 Lay out the required points on the wall or panel as shown in the drilling dimension drawing Drilling Dimensions for Panel or Wall Mounting 358 pe 585 pe 355 p 58 5 pix 355 titanic 1 4 23 P 1 4 23 1 4 Inches K co 21 0 83 Y at oe i 1 45327 Publication 1794 6 5 11 September 2011 18 Install Your FLEX I O Fre
27. use two separate external power supplies if desired one for output 0 and one for output 1 Implementing Application Features You can use the module to implement programmable application features that are usually initiated by your controller processor This frees up the controller Publication 1794 6 5 11 September 2011 8 Overview of the Frequency Input Module Application Features Feature Mode Frequency alarm Frequency alarm selected processor to do other tasks and helps increase the overall throughput of your controller system Purpose Alarm is ON when Activate alarm when calculated or scaled frequency is higher than user specified frequency value Frequency gt user specified value Acceleration alarm selected Acceleration alarm Activate acceleration alarm when acceleration is greater than user specified acceleration value Acceleration gt user specified value full scale and acceleration Scaling How Frequency Is Calculated Publication 1794 6 5 11 September 2011 Multiply and or divide frequency by scalar Frequency gt User specified scaled frequency value The following paragraphs explain the operation of the frequency input module algorithm and its modifying parameters Frequency Calculation Frequency is determined by a general algorithm which can be modified by user defined parameters In its simplest form the algorithm employs the user defined Minimum Sampling T
28. 0 RSLogix 5000 Version 5 12 Updating EDS File Most EDS files are installed with RSLinx RSNetworx and other RSI software as long as you enable the option during installation There are instances where you will need to acquire and register EDS files on your own even after all software is installed If you go online with RSNetworx and it shows a device with a mark icon a globe or a message that says the device is unrecognized this means the EDS file for that device does not exist on your PC If RSLinx can see a processor but going online uploading or downloading is not possible With ControlLogix modules the backplane does not show after expanding the tree or ControlLogix modules in the backplane show up as a yellow question mark without a red X sign An EDS file is also required if a bridge module such as a 1756 CNB or DNB does not show the sign to expand the tree to show its network Publication 1794 6 5 11 September 2011 60 Electronic Data Sheet EDS Files Publication 1794 6 5 11 September 2011 To acquire EDS files for Rockwell Automation and Allen Bradley devices go to Tools amp Resources EDS Files at www ab com networks eds It allows you to search for devices by the type of network and their catalog number ATTENTION Make sure to match the major firmware revision of the device as each major firmware revision is associated with a specific EDS file e Download the EDS file and place it i
29. 01 00 0 CF SSM FR Number of pulses to MPM 0 3 R LF FR Number of pulses to MPM ChO terminate sampling Ch 0 Ch1 terminate sampling 0 3 0 7 Ch0 0 7 Ch 1 Ch 1 1 Maximum Frequency 0 32 767 or 0 0 3 276 7 or Absolute Value of Acceleration 0 32767 Channel 0 2 Frequency Scaling Divisor 0 255 Channel 0 Frequency Scaling Multiplier 0 255 Channel 0 3 WOFG WOFF IGI IH Minimum Frequency Init St ACTO 3 F AA MPDM WOFM ChO ChO ChO ChO Sample Time 0 15 Up Ch 0 SChO 0 3Ch0 0 3 ChO Ch 0 Ch 0 4 Maximum Frequency 0 32 767 or 0 0 3 276 7 or Absolute Value of Acceleration 0 32 767 Channel 1 5 Frequency Scaling Divisor 0 255 Channel 1 Frequency Scaling Multiplier 0 255 Channel 1 6 WOFG WOFF IGI IH Minimum Frequency Init St ACT 0 3 F AAS MPDM WOFM Ch1 Ch1 Ch1 Ch1 Sample Time 0 15 Ch 1 Up Ch 1 Ch 1 0 3 Ch 1 0 3 Ch 1 Ch 1 7 Reserved Where CF Communication fault WOFF Wire off fault frequency SSM Safe state mode WOFG Wire off fault gate FR Frequency range WOFM Wire off fault mode R Reserved IGI Invert gate input MPM Missing pulse multiplier IFI Invert frequency input LF Local Fault mode ACT Acceleration calculation time F AAS Frequency Accel alarm select MPDM Missing pulse delay multiplier Chapter Summary This chapter provided the user with data and instructions to configure and map FLEX I O Frequency Input module data Publication 179
30. 108 EC EMC Directive compliant with EN 61326 1 Meas Control Lab Industrial Requirements EN 61000 6 2 Industrial Immunity EN 61000 6 4 Industrial Emissions EN 61131 2 Programmable Controllers Clause 8 Zone A amp B C Tick Australian Radiocommunications Act compliant with AS NZS CISPR 11 Industrial Emissions Ex European Union 94 9 EC ATEX Directive compliant with EN 60079 15 Potentially Explosive Atmospheres Protection n II 3 G Ex nA IIC T4 X EN 60079 0 General Requirements Zone 2 T V T V Certified for Functional Safety up to and including SIL 2 1 See the Product Certification link at http www ab com for Declaration of Conformity Certificates and other certification details Appendix B Overview Electronic Data Sheet EDS Files EDS provides the definition for a device s configurable parameters and public interfaces to those parameters Every type of configurable device has its own unique EDS EDS is a simple text file that allows product specific information to be made available to third party vendors This makes updating of configuration tools easier without having to constantly revise the configuration software tool Beginning with the following revisions EDS files are required for RSNetworx for Devicenet and ControlNet RSLinx RSLogix5 and RSLogix 5000 to recognize a device RSNetworx Version 2 21 RSLinx Version 1 10 176 RSLogix 5 Version 4
31. 2 Latching mechanism 6 Alignment groove 3 Keyswitch 7 Alignment bar 4 Cap plug 8 Module 2 Make certain the FlexBus connector 1 is pushed all the way to the left to connect with the neighboring terminal base or adapter You cannot install the module unless the connector is fully extended 3 Make sure the pins on the bottom of the module are straight so they will align properly with the connector in the terminal base unit If you remove or insert the module while the backplane power is on ATTENTION exu As i an electrical arc can occur This could cause an explosion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding 4 Position the module 8 with its alignment bar 7 aligned with the groove 6 on the terminal base 5 Press firmly and evenly to seat the module in the terminal base unit The module is seated when the latching mechanism is locked into the module 6 Remove cap plug and attach another terminal base unit to the right of this terminal base unit if required Make sure the last terminal base has the cap plug in place Publication 1794 6 5 11 September 2011 20 Install Your FLEX I O Frequency Input Module IMPORTANT The adapter is capable of addressing eight modules Do not exceed a maximum of eight terminal base units in your system i Wiring Information This section provides essential wiring information for the
32. 3 1794 PS3 Industrial Automation Wiring and Grounding Guidelines In depth information on grounding and wiring Allen Bradley programmable publication 1770 4 1 controllers Rockwell Automation Industrial Automation Glossary A glossary of industrial automation terms and abbreviations AG 7 1 Common Techniques Used The folowing conventions are used throughout this manual in this Manual Bulleted lists such as this one provide information not procedural steps Numbered lists provide sequential steps or hierarchical information Italic type is used for emphasis Publication 1794 6 5 11 September 2011 Chapter 1 Overview of the Frequency Input Module Overview This chapter provides a description of the application and capabilities of the 1794 FLEX I O Frequency Input module It also explains the general algorithm for calculating frequency Topic Page TheREXSytem D Type of Modules 2 Usage of the Frequency Input Module 2 The FLEX I O Module in a Logix Control System 3 Typical Applications 5 Input Capabilities 6 Output Capabilities 7 How Frequency Is Calculated 8 Chapter Summary 12 The FLEX System FLEX I O is a small modular I O system for distributed applications that performs all of the functions of rack based I O The FLEX system contains the following components shown below Adapter Terminal base 1 0 module ZIZ IITTI za 2070 99 27 zz I TAY Allen Bradley
33. 4 6 5 11 September 2011 50 Read and Write Configuration Maps for the FLEX I O Module Notes Publication 1794 6 5 11 September 2011 Chapter 5 Troubleshoot the Module Overview This chapter provides a description of the different status indicators for the frequency input module to help you troubleshoot Topic Page Status Indicators 35 Diagnostics 36 Diagnostic Bits in Word 5 of the BTR File 37 Status Indicators The module has indicators for the following Frequency and Gate Inputs Frequency and Gate Wire Off Faults Alarm Outputs 4 Flex 3774 Allen Bradley 1794 1J2 m FREQUENCY INPUT2 CHANNEL WEE FREQ GATE 0 F 0 F 45348 FREQ GATE OUT OUT F 1 F p 1 m Q 00 A Input indicator B Insertable label for writing individual I O assignments C Wire off fault indicator D Output indicator E Power status indicator indicates power applied to module and status of module When an input indicator yellow is lighted it indicates that a valid signal active high or active low is present at one of the input terminals When wire off detection is enabled and a wire off fault is detected 24V DC IEC 1 input terminal only a fault indicator red flashes at a rate of 1 Hz to signal a fault condition A wire off fault signal is also sent to the backplane A flashing red fault indication means a vali
34. 4V DC IEC 1 proximity or encoder input 24V DC Contact switch input On state voltage max Limited to isolated 24V DC power supply On state current min nom max 2 0 mA 9 0mA 10 0 mA Off state current lt 1 5mA into 24V DC IEC terminal Off state voltage max 5 0V DC on 24V DC IEC 1 terminal Wire off detection 0 4 mA for proximity encoder or contact switch with 50 kQ shunt resistor Frequency input impedance 5 KQ for 50 mV Extended magnetic pickup 5 KQ for 500 mV Magnetic pickup gt 10 KQ for 3V Vortex flowmeter low range gt 10 KQ for 6V Vortex flowmeter high range 22 5 KQ for 24V DC IEC 1 proximity or encoder input gt 2 5 KQfor 24V DC Contact switch input Gate input impedance 5 KQ for 50 mV Extended magnetic pickup 5 KQ for 500 mV Magnetic pickup 22 5 KQ for 24V DC IEC 1 proximity or encoder input gt 2 5 KQfor 24V DC Contact switch input Publication 1794 6 5 11 September 2011 56 Specifications Publication 1794 6 5 11 September 2011 Output Specifications Attribute Value Number of outputs 2 isolated Output voltage source Customer supplied Output voltage min nom max 10V DC 24V DC 31 2V DC On state current min 1 mA per output On state current max 1 0 A per channel sourced out of module Current Limited All outputs can be On simultaneously without derating Surge current 2 A for 50 ms re
35. 94 6 5 11 September 2011 Read and Write Configuration Maps for the FLEX I O Module 45 Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Word 4 Bits 00 15 Maximum frequency or absolute value acceleration deceleration channel 1 Specifies 00 17 the highest Frequency or absolute Acceleration Deceleration value allowed on the Frequency input 0 32 767 Hz 0 0 3 276 7 Hz or 0 32 767 Hz s depending on the Frequency Range and Frequency Acceleration Alarm Select bits Word 5 Bits 00 07 Frequency scaling multiplier channel 1 Specifies a multiplier to scale the incoming Frequency value 0 255 Default 0 no scaling multiplication performed x1 Bits 08 15 Frequency scaling divisor channel 1 Specifies divisor to scale the incoming Frequency 10 17 value 0 255 Default 0 no scaling division performed divided by 1 Publication 1794 6 5 11 September 2011 46 Read and Write Configuration Maps for the FLEX I O Module Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Word 6 Bits 00 01 Wire Off Missing Pulse fault select channel 1 Sets the mode for 24V DC IEC 1 Wire Off Input Detection and Missing Pulse Detection result for any input Frequency or Gate The Maximum Frequency is determined by Frequency Range bit and the Maximum Frequency value and t
36. Acceleration lil Module Properties AENT 2 1794 1J2 A 1 1 General Connection Module Info Fault Action Configuration Alarms Channel rati Frequency C Acceleration Maximum Frequency 0 Hz Frequency Range 1 32767 v Hz Minimum Frequency Sample Time MEZZ Acceleration Calculation Time Invert Input Frequency Scaling Frequency Multiplier 0 ES Gate Divisor o Status Offline Cancel Apply Help If you choose Frequency go to step 8 Go to step 9 if you choose Acceleration 7 For Frequency mode specify the following Maximum Frequency Frequency Range Minimum Frequency Sample Time 8 For Acceleration mode specify the following Maximum Frequency Frequency Range Minimum Frequency Sample Time Acceleration Calculation Time 9 Click the Alarms tab and specify the following Missing Pulse Multiplier Missing Pulse Delay Multiplier Pulses to Terminate Sampling Wire off Missing Pulse Fault Select Mode 10 Click OK on the Module Properties dialog after you have configured the different parameters The following options are available for each parameter on the Configuration and Alarms tabs of the Module Properties dialog Publication 1794 6 5 11 September 2011 Chapter Summary Configure Your FLEX I 0 Module with RSLogix 5000 Software 33 Configuration Parameters Module Property Configuration Options Maximum Frequency 0 Hz default Frequency Range 1
37. Block transfer reads are performed to retrieve information from the module Block transfer read BTR programming moves status and data from the module to the processor data table The processor user program initiates the request to transfer data from the module to the processor The transferred words contain module status channel status and input data from the module Your program should monitor status bits block transfer read and block transfer write activity Publication 1794 6 5 11 September 2011 66 Program Your Module with PLC Processors Publication 1794 6 5 11 September 2011 PLC 2 Family Processor The 1794 Frequency I O module is not recommended for use with PLC 2 family programmable controllers due to the number of digits needed for high resolution The frequency input module functions with reduced performance in PLC 2 systems Because the module does not support BCD and the PLC 2 processor is limited to values of 4095 12 bit binary many values returned in the BTR file may not provide meaningful data to the PLC 2 processor PLC 3 Family Processor Block transfer instructions with the PLC 3 processor use a control file and a data file The block transfer control file contains the data table section for module location the address of the block transfer data file and other related data The block transfer data file stores data that you want transferred to the module when programming a BTW or from the module when p
38. Direction GS F A WO MPA Ch 0 ChO Ch0 ChO ChO Ch 1 Ch1 Ch1 Ch1 Ch1 5 Reserved Diagnostic Status Where R Reserved GS Gate state F A Frequency Acceleration alarm WO Wire off alarm MPA Missing pulse alarm Bit Word Definitions for Block Transfer Read Words Word Bit Definition Read Bit00 15 Calculated value of frequency channel 0 frequency can be reported down to 1 or 1 0 Hz depending on Word 0 00 17 the Frequency Range bit setting Below a 1 Hz value 0 is reported Below a 1 0 Hz value 0 0 is reported Calculated frequency depends on Minimum Sampling Time and Missing Pulse Multiplier Word 1 Bit00 15 96 of Full Scale or Acceleration channel 0 Value of the calculated frequency scaled by the Maximum 00 17 Frequency or Calculated Value of Acceleration in Hz s depending on the state of the Frequency or Acceleration Alarm Select bit Note Percentage Full scale is calculated accurately up to a maximum of 3 276 7 Beyond this maximum the value of 3 276 7 will be returned and a Calculation Failure 9 will be set in the Diagnostic Status byte Word 2 Bit 00 15 Calculated value of Frequency channel 1 Frequency can be reported down to 1 or 1 0 Hz depending on 00 17 the Frequency Range bit setting below a 1 Hz value 0 is reported below a 1 0 Hz value 0 0 is reported Calculated frequency depends on Minimum Sampling Time and Missing Pulse Multiplier Word 3 Bit00 15 Perce
39. FLEX I O Frequency Input Module Allen Bradley Catalog Numbers 1794 lJ2 1794 J2K 1794 U2XT User Manual Rockwell Allen Bradley Rockwell Software Automation Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment Safety Guidelines for the Application Installation and Maintenance of Solid State Controls publication SGI 1 1 available from your local Rockwell Automation sales office or online at http literature rockwellautomation com describes some important differences between solid state equipment and hard wired electromechanical devices Because of this difference and also because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable In no event will Rockwell Automation Inc be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The examples and diagrams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular installation Rockwell Automation Inc cannot assume responsibility or liability for actual use based on the examples and diagrams No patent liability is assumed by Rockwell Automation Inc with respect to use of information circuits equipment or software
40. Frequency Scaling Multiplier 0 255 Ch 0 3 WOFG WOFF IGI IH Minimum Frequency Init ACT ChO F A AS MPDM WOFM ChO ChO ChO ChO J Sample Time Ch 0 St Up Ch 0 Ch 0 Ch 0 Ch 0 4 Maximum Frequency 0 32 767 or 0 0 3 276 7 or Absolute Value of Acceleration 0 32 767 Channel 1 Publication 1794 6 5 11 September 2011 40 Block Transfer Write Word Assignments Read and Write Configuration Maps for the FLEX 1 0 Module Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Dec Bit 15 14 13 12 1 10 09 08 07 06 05 04 03 02 01 00 5 Frequency Scaling Divisor 0 255 Ch 1 Frequency Scaling Multiplier 0 255 Ch 1 6 WOFG WOFF IGI IH Minimum Frequency Init ACT Ch 1 F A AS MPDM WOFM Ch 1 Ch1 Ch1 Ch1 Sample Time Ch 1 StUp Ch 1 Ch 1 Ch 1 Ch 1 Where CF Communication fault WOFG Wire off fault gate SSM Safe state mode FR Frequency Range Ch Channel MPM Missing Pulse Multiplier R Reserved LF Local fault mode WOFF Wire off fault frequency IGI Invert gate input IFI Invert frequency input ACT Acceleration Calculation Time F AAS Frequency Accel alarm select MPDM Missing pulse delay multiplier WOFM Wire off fault mode Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Write Word O Bits 00 01 Missing pulse multiplier bits channel 1 used to modify the Minimum Frequency Sa
41. Frequency input 0 32 767 0 0 3 276 7 Hz or 0 32 767 Hz s depending on the Frequency Range and Frequency Acceleration Alarm Select bits Word 2 Bits 00 07 Frequency scaling multiplier channel 0 Specifies a multiplier to scale the incoming Frequency value 0 255 Default 0 no scaling multiplication performed x1 Bits 08 15 10 17 Frequency scaling divisor channel 0 Specifies divisor to scale the incoming Frequency value 0 255 Default 0 no scaling division performed divided by 1 Publication 1794 6 5 11 September 2011 Read and Write Configuration Maps for the FLEX I O Module 43 Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Word 3 Bits 00 01 Wire Off Missing Pulse fault select mode channel 0 Sets the mode for 24V DC IEC 1 Wire Off Input Detection and Missing Pulse Detection result for any input Frequency or Gate The Maximum Frequency is determined by Frequency Range bit and the Maximum Frequency value and the Minimum Frequency is determined by Frequency Range bit The Wire Off detect time in mode 1 2 amp 3 is 2 seconds maximum Bit 01 00 Channel wire off missing pulse detection mode 0 0 Disabled 0 1 Alarm only frequency unchanged 1 0 Alarm and force frequency to maximum frequency value 32767 or 3276 7 or maximum frequency value 0 1 1 Alarm and force frequency to
42. Input Module 21 Connecting Wiring Using a 1794 TB3G 1794 TB3GK or 1794 TB3GS 22 Terminal Base Unit Resolution and Accuracy 24 Examples of Wiring to a 1794 TB3G Terminal Base Unit 2 Chapter Summary 2 Before installing your frequency input module in the FLEX I O system you need to calculate the power requirements of all modules in each FLEX I O system and position the keyswitch on the terminal base This FLEX I O module does not receive primary operational power from the backplane 24V DC power must be applied to your module before installation If power is not applied the module position may appear to the adapter as an empty slot in your chassis The wiring of the terminal base unit is determined by the current draw through the terminal base Make certain that the current draw does not exceed 10 A Publication 1794 6 5 11 September 2011 14 Install Your FLEX I O Frequency Input Module Install the Module Publication 1794 6 5 11 September 2011 ATTENTION Total current draw through the terminal base unit is limited to 10 A Separate power connections may be necessary The frequency input module requires 30 mA at 5V DC from the FlexBus backplane Methods of wiring the terminal base units are shown in the illustration below ATTENTION Do not daisychain power or ground from the terminal base unit to any AC or DC digital module terminal base unit Installation of the frequency input module consist
43. Inputs 2 Gate Inputs and 2 Outputs The Frequency Inputs can accept frequencies up to 32 767 Hz and it accepts and returns binary data The FLEX I O Frequency Input module is essentially a tachometer with the capability of reporting frequency acceleration and direction Outputs are activated by alarms Input devices range from magnetic pickup to flowmeters to incremental encoders to proximity detectors This intelligent I O module is designed to perform high speed frequency algorithms Power to the module is supplied from an external power supply All power for input devices 24V DC is supplied by the I O module Outputs are used to set alarms depending on the input conditions The module measures frequency over a user specified time interval A frequency calculation can start before the time interval has elapsed if a user specified number of frequency input pulses have occurred Overview of the Frequency Input Module 3 The primary use of the module is accurate high speed frequency measurement A high speed internal clock is synchronized with the frequency input to count over a user selected sampling time or a user defined number of frequency input pulses All power for input devices 4 devices 24 V DC 15 mA max is supplied by the I O module mE Gate input EE Frequency input E 500 50 mV IEC 1 Contact IEC 1 Contact 500 50 mV Vortex Inputs omy EE input Input 24V Power omy 3Vin 6Vin 24V power Select 4 Y
44. Lon 15 15 Slot 0 Control N22 200 Data File N22 101 VER H Length 0 Continuous N Rung 2 1 The IJ2 module is located in rack 1 group 2 slot 0 The integer control file starts at N22 205 is a 5 words long and is compatible will all PLC 5 family members The data sent by the PLC 5 processor to the IJ2 module starts at N22 1 and with the default length of 0 is 8 words long Valid BTW lengths can be any number from 0 to 8 In enhanced PLC 5 processors the block transfer data type may be used as a control file IJ2 BTR IJ2 BTW Enable Bit Enable Bit IJ2 BIW Control File N22 200 N22 205 BTW 1 t E BLOCK TRANSFER WRITE EN j L I O i i5 Rack 01 Group 2 DN Slot 0 x Control N22 205 M Data File N22 1 ER Length 0 Continuous N Enhanced PLC 5 processors include PLC 5 11 5 20 5 3x 5 4x and 5 6x 45564 PLC 5 250 Family Processor Block transfer instructions with the PLC 5 250 processor use a control file and a data file The block transfer control file contains the data table section for module location the address of the block transfer data file and other related data The block transfer data file stores data that you want transferred to the module when programming a BTW or from the module when programming a BTR The programming terminal automatically selects the control file based on rack group and module and whether it is a read or write A different block transfer control file is use
45. alog Module Instructions publication 1794 INO50 Information on how to install the Thermocouple Millivolt Input Modules Catalog No 1794 IRT8 1794 IRT8K 1794 IRT8XT 2 Input Frequency Module Installation Instructions publication 1794 IN049 Information on how to install the 2 Input Frequency Module Catalog No 1794 1J2 1794 IJ2K 1794 IJ2XT FLEX I O Thermocouple RTD mV Input Modul publication 1794 6 5 12 Information on how to use the FLEX I O Thermocouple RTD mV Input Module Catalog No 1794 IRT8 1794 IRT8K and 1794 IRT8XT 24V FLEX 1 0 2 Channel Incremental Encoder Module Installation Instructions publication 1794 IN063 Information on how to install the 24V FLEX 1 0 2 Channel Incremental Encoder Module Catalog No 1794 1D2 FLEX Integra Analog Module User Manual publication 1793 6 5 1 Information on how to install the FLEX Integra Analog Module Catalog No 1793 IE2X0E1 1793 IE2XOE18 1793 IE4 1793 IE4S 1793 OE2 1793 OE2S FLEX 1 0 4 Channel Pulse Counter Module Installation Instructions publication 1794 IN064 Information on how to install the 24V DC FLEX 1 0 4 Channel Module Catalog No 1794 IP4 FLEX 1 0 Very High Speed Counter Module Installation Instruction publication 1794 IN067 Information on how to install the Very High Speed Counter Module Catalog No 1794 VHSC FLEX 1 0 48V DC Input and Output Modules Installation Instructions publication 1794 IN105
46. ater than 32 767 Hz or 3 276 7 Hz overrange The scaled Frequency is greater than 32 767 Hz or 3 276 7 Hz overrange The Full Scale calculation based on Maximum Frequency is gt 3 276 7 10 15 Not used This chapter explained how to interpret the status indicators of the frequency input module and the internal diagnostics that indicates the condition of the module Publication 1794 6 5 11 September 2011 38 Troubleshoot the Module Notes Publication 1794 6 5 11 September 2011 What This Appendix Contains Specifications Appendix A This appendix contains the frequency accuracy and general specifications of the Frequency Input module 1794 1J2 1794 IJ2K and 1794 IJ2XT Input Specifications Attribute Value Number of input channels 2 Number of inputs per channel 2 Frequency and Gate gate used to establish direction Input frequency max 32 kHz Frequency value max 32 767 Hz or 3 276 7 Hz dependent on range Input pulse width 20 us Resolution and accuracy See table Resolution and Accuracy on page 24 On state voltage min 10V 24V IEC 1 proximity encoder input or switch inputs On state voltage nom selected by terminal base connections 50 mV AC 28V AC peak Extended magnetic pickup 500 mV AC 28V AC peak Magnetic pickup 3V Vortex flowmeter low range gt 6V Vortex flowmeter high range 2
47. cy Accel alarm select Publication 1794 6 5 11 September 2011 WOFG Wire off fault gate WOFM Wire off fault mode IGI Invert gate input IFI Invert frequency input ACT Acceleration calculation time MPDM Missing pulse delay multiplier Install Your FLEX 1 0 Frequency Input Module 27 Examples of Wiring to a 1794 TB3G Terminal Base Unit Standard Magnetic Pickup 500 mV threshold F0 Standard Magnetic Pickup 50 mV threshold F0 9 10 11 12 13 14 15 Important When using a channel for 50 mV sensor jumper the 50 500 mV pin to the appropriate RET Hrini Ani Letitia Tata a CUT AAA Magnetic Magnetic Input Input Device Device 24V DC IEC 1 Proximity 6V Vortex Flowmeter Power 6V Vortex _ Flowmeter Input Device _ 42 45 Standard Output 00 24V DC Contact Switch 8 9 10 11 12 13 14 15 Add external resistor from 24V to F or G for wire off detection 16 17 18 19 20 21 22 23 24 alr 27 28 29 30 31 32 33 Power External Power Supply 1 10 31 2V DC 1A LOAD 0 16 45347 Chapter Summary This chapter provided you with instructions on how to install the input module in an existing programmable controller system and how to wire to a terminal base unit Publication 1794 6 5 11 September 2011 28 Install Your FLEX I O Frequency Input Module Notes Publicati
48. d it provides logic pulses internal to the 1794 Frequency Input module The circuit is designed to interface with both active or passive sensor inputs by accepting any pulse output device such as vortex flowmeter magnetic pickup or digital pickup Gate Inputs Gate inputs are similar to frequency inputs and are used for determining direction There is one gate associated with each frequency input circuit GO corresponds to F0 The circuit is designed to interface with both active or passive sensor inputs by accepting any pulse output device such as magnetic pickup or digital pickup Publication 1794 6 5 11 September 2011 62 Schematics Isolated 24V power F and G 24V 15 mA each IEC 1 or ZIW 2avDC C Switch input 5 11 KW 215W 50 500 mV 2 15 KW 2 15 KW V Input 10 KW 100pF Lead breakage Frequency lead break J4 Reference voltage 100pF Gate lead break Frequency only not on gate 8 25 KW 100 KW l 6V Vortex Q input 100 pF l T 47 pF I 3V Vortex 8 25 KW 46 4 KW i 10KW I 100 pF I Ex Frequency input I Y I V Nor p pF Gate input Internal 500 mV Ref Voltage Invert fi 50 a 825 W Bate input O l V Return T Output Circuits The Frequency Input module output logic consists of digital outputs Digital Outputs The module output is comprised of an isolated power MOSFET This device operates in current sourcing mode and is capable of delivering up to 1 A 10 31 2V DC Publication 1794 6 5 11 September
49. d Definitions for Block Transfer Read Words Word Word 5 Bit Definition operating condition Bit 03 02 01 00 0 0 0 0 0 Normal Operation No Failure 0 0 0 1 1 Calibration Failure 0 0 1 0 2 Configuration Failure A Minimum Frequency Sample Time value other than 0 9 was selected 0 0 1 1 3 Message Failure 0 1 0 0 4 Lead Break Detection Hardware Failure 0 1 0 1 5 Major Hardware Failure 0 1 1 0 6 EEPROM Failure 0 1 1 1 7 RAM Failure 1 0 0 0 8 ROM Failure 1 0 0 1 9 Calculation Failure The actual Frequency is greater than 32 767 Hz or 3 276 7 Hz overange The scaled Frequency is greater than 32 767 Hz or 3 276 7 Hz overange The 96 Full Scale calculation based on Maximum Frequency is gt 3 276 76 1010 1111 10 15 2 Not Used Bits 04 15 Reserved 04 17 Read and Write Configuration Maps for the FLEX I O Module 39 Block Transfer Write Word Assignments Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Dec Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 0 CF SSM _ FR Number Of Pulses MPM R LF FR Number Of Pulses To MPM ChO To Terminate Ch 0 Ch1 Terminate Sampling Ch 1 Sampling Ch 0 Ch 1 1 Maximum Frequency 0 32 767 or 0 0 3 276 7 or Absolute Value of Acceleration 0 32 767 Channel 0 2 Frequency Scaling Divisor 0 255 Ch 0
50. d for the read and write instructions for your module A different block transfer control file is required for every module Publication 1794 6 5 11 September 2011 Program Your Module with PLC Processors 69 PLC 5 250 Processor Program Example Rung 1STEPO 1 The J2 module is located in rack 14 1 0 group 1 slot 0 The data obtained by the PLC 5 250 processor from the 1J2 module is placed in the data table starting at 2BTD5 101 and with the default length of 0 is 7 words long The length can be any number between 0 and 7 1J2 BTR J2 BTR J2 BTW Control File Enable Bit Enable Bit BTR BR141 0 BW141 0 BLOCK TRANSFER READ HY EN Rack 14 1 ZT L 17 ME Group 1 EN EN Slot 0 r DN Control Block BR141 0 Data File 28TD5 101 ER 4 BT Length 0 Continuous NO 4 Rung 1STEPO 1 The J2 module is located in rack 14 1 0 group 1 slot 0 The data sent to the J2 module from the PLC 5 250 processor is from the data table starting at 2BTD5 1 and with a default length of 0 is 8 words long Valid BTW lengths can be any number between 0 and 8 1J2 BTR 1J2 BTW IJ2 BTW Enable Bit Enable Bit Control File BR141 0 BW141 0 BIW BLOCK TRANSFER WRITE 1 L EN J t J Rack 14 i F3 EN EN Group 1 Slot o ON Control Block BW141 0 Data File 2BTD5 1 ER BT Length 0 Continuous NO BT Timeout 4 45565 Publication 1794 6 5 11 September 2011 70 Program Your Module with PLC Processors N
51. d wire off condition for a 24V DC TEC 1 Input or a 24V DC contact switch input with a shunt resistor Publication 1794 6 5 11 September 2011 36 Troubleshoot the Module Diagnostics Publication 1794 6 5 11 September 2011 When an output indicator is yellow the logic is driving an output alarm On After detecting a fault the internal circuitry sets the output data to the appropriate safe state as defined by the module data table Safe state control may be adapter dependent The input and output indicators are on the field side of the isolation path and display the logic state of the actual microcontroller input and output The status indicator initially powers up as solid green indicating the power supply is operating and internal diagnostic tests are being performed After a successful power up test the indicator remains green The indicator turns red in about 1 5 s if there is an internal diagnostics error The module is operating correctly when the green OK indicator is on A red OK indicator shows that the module is in a Faulted condition indicating an internal error Indicator Condition Operating Description Input 0 1 Off Dark Input Turned Off Input Not Used or Wire Disconnected Freq or Gate On Yellow Input Turned On Active High or Active Low if Inverted Fault F Off Dark Wire connected normal operation or detection disabled Freq or Gate On Red Wire disconnected fault c
52. described in this manual Reproduction of the contents of this manual in whole or in part without written permission of Rockwell Automation Inc is prohibited Throughout this manual when necessary we use notes to make you aware of safety considerations Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss IMPORTANT Identifies information that is critical for successful application and understanding of the product ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attentions help you identify a hazard avoid a hazard and recognize the consequence SHOCK HAZARD Labels may be on or inside the equipment such as a drive or motor to alert people that dangerous voltage may be present BURN HAZARD Labels may be on or inside the equipment such as a drive or motor to alert people that surfaces may reach dangerous temperatures alae ba Allen Bradley Rockwell Automation FLEX I O RSLinx RSLogix 5000 and TechConnect are trademarks of Rockwell Automation Inc Trademarks not belonging to Rockwell Automation are property of their respective companies Summary of Changes This manual contains new and updated information Changes throughout this revision are marked by change bars as s
53. dule Installation Instructions publication 1794 IN037 Information on how to install the FLEX I O Isolated Analog Output Module Catalog No 1794 OF4I Publication 1794 6 5 11 September 2011 Resource FLEX 1 0 4 Isolated Input Module Installation Instructions publication 1794 IN038 Preface xi Description Information on how to install the FLEX I O 4 Isolated Input Module Catalog No 1794 IFAI FLEX 1 0 2 In 2 Out Isolated Analog Combo Module Installation Instructions publication 1794 IN039 Information on how to install the FLEX 1 0 2 In 2 Out Isolated Analog Combo Module Catalog No 1794 IF2XOF2I FLEX I O Isolated Analog Modules User Manual publication 1794 6 5 8 Information on how to use the FLEX I O Isolated Analog Modules Catalog No 1794 IFAI 1794 OF4I 1794 IF2XOF21 1794 IFAIXT 1794 IFAICFXT 1794 OF4IXT 1794 IF2XOF2IXT FLEX 1 0 8 Thermocouple Input Module Installation Instructions publication 1794 IN021 Information on how to install the FLEX 1 0 8 Thermocouple Input Modules Catalog No 1794 IT8 1794 IR8 FLEX 1 0 8 Input RTD Module User Manual publication 1794 6 5 4 Information on how to use the FLEX 1 0 8 Input RTD Module Catalog No 1794 IR8 FLEX I 0 Thermocouple Millivolt Input Module User Manual publication 1794 6 5 7 Information on how to use the Thermocouple and Millivolt Input Module Catalog No 1794 IT8 FLEX 1 0 Thermocouple RTD Input An
54. ed outputs of 30 mA max 1 for each channel Publication 1794 6 5 11 September 2011 64 Schematics Notes Publication 1794 6 5 11 September 2011 Appendix D Overview Enter Block Transfer Instructions Program Your Module with PLC Processors This Appendix serves as a reference to users of the PLC Family Processors to program their modules To initiate communication between the frequency input module and your PLC processor you must enter block transfer instructions into your ladder logic program Use this chapter to enter the necessary block transfer instructions into your ladder logic program The frequency input module communicates with the PLC processor through bidirectional block transfers This is the sequential operation of both read and write block transfer instructions Before you configure the module you need to enter block transfer instructions into your ladder logic The following example programs illustrate the minimum programming required for communication to take place between the module and a PLC processor These programs can be modified to suit your application requirements A configuration block transfer write BTW is initiated when the frequency module is first powered up and subsequently only when the programmer wants to enable or disable features of the module The configuration BTW sets the bits which enable the programmable features of the module such as scalars and alarm values and so on
55. em 5 M magnetic pickup 6 23 male connector 15 manuals common techniques xii conventions xii related x message failure 39 53 microcontroller 52 missing pulse 9 10 38 43 module acceleration calculation 46 faults 41 frequency input 6 position 22 safe state 41 status 52 Publication 1794 6 5 12 September 2011 74 Index MSG instructions 5 0 oil and gas 5 operation mode 7 non normal 39 normal 39 53 unintended 14 output 52 alarm 52 connections 24 current 7 data 36 fused 7 indicator 51 52 isolated 7 supply 24 output map acceleration calculation 26 49 communication fault 26 49 frequency range 26 49 invert frequency input 26 49 invert gate input 26 49 local fault mode 26 49 missing pulse multiplier 26 49 safe state mode 26 49 wire off fault frequency 26 49 wire off fault gate 26 49 wire off fault mode 26 49 outputs 41 capabilities output 7 P panel mounting 16 parameters 8 10 percentage full scale 37 PLC 52 PLC 5 29 processor 63 69 PLC 2 64 70 PLC 3 64 70 PLC 5 250 66 72 power backplane 19 cabling 22 connections 14 current draw 13 Publication 1794 6 5 12 September 2011 indicator 51 module 22 operational 13 requirements 13 14 supply 22 52 processor 3 7 35 52 Profibus 29 programming PLC 2 64 70 PLC 3 64 70 PLC 5 250 66 72 proximity probe 6 publication related x pulse alarm 7 missing 10 38 40 41 43 46 47 termination 39 41
56. es connect a shunt resistor 50K across the contacts Bit 15 17 Wire Off Fault Select Gate Input channel 1 Selects whether to power On or Off the 24V DC Gate input IEC 1 hardware Wire Off Lead Breakage detection 0 Disable 1 Enable Default 0 Disable Note Customer devices must draw more than 4 mA in the On and Off State To use this feature with relays or switches connect a shunt resistor 50K across the contacts Input Map Bit 15 1 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Word Read 0 Frequency 0 32 767 or 0 0 3 276 7 Channel 0 1 96 Full Scale 0 0 3 276 796 Channel 0 or Acceleration 32 768 32 767 Channel 0 2 Frequency 0 32 767 or 0 0 3 276 7 Channel 1 3 96 Full Scale 0 0 3 276 796 Channel 1 or Acceleration 32 768 32 767 Channel 1 4 R R Direction GS FA WO MPA R R Direction GS FA WO MPA Ch 0 ChO ChO ChO ChO Ch 1 Ch1 Ch1 Ch 1 Ch 1 5 Reserved Diagnostic Status Reserved Diagnostic Status Channel 0 Channel 1 6 Reserved Where R Reserved GS Gate state F A Frequency Acceleration alarm WO Wire off alarm MPA Missing pulse alarm Publication 1794 6 5 11 September 2011 Read and Write Configuration Maps for the FLEX I O Module 49 Output Map Dec 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Oct 17 16 15 14 13 12 11 10 07 06 05 04 03 02
57. flow and or turbine metering applications Some sample applications include turbine shaft speed monitoting automotive paint booths brewery flow monitoring petrochemical flow and custody transfer Publication 1794 6 5 11 September 2011 6 Overview of the Frequency Input Module Input Capabilities The frequency module has 2 input channels mode dependent Each of the 2 input channels may accept these input signals magnetic pickup 500 mV 28V AC peak optional 50 mV 28V AC peak for increased signal sensitivity proximity probe inputs compatible with Bently Nevada 3300 5 mm 0 197 in and 8 mm 0 315 in proximity transducer systems provides 1 isolated 24V DC power supply 2 channels rated at 30 mA each to power external devices vortex flowmeter 6V and 3V You configure the 2 input channels for your specific application s Each input channel has two input selections Frequency Input FO F1 you connect y 7774 2 input channels your input device to this input ac proximity Allen Bradley 1794 1J2 Frequency Input FO sensors switch magnetic vortex FREQUENCY INPUT 2 CHANNEL 8 Gate Input GO Channel 0 1 jacit dic bt co ib Gb ene c pao ci Eee E apr gonad Gate Input G0 G1 you connect your Frequency Input F1 Channeli input device to this input ac proximity Gate Input G1 senso
58. he Minimum Frequency is determined by Frequency Range bit The Wire Off detect time in mode 1 2 and 3 is 2 seconds maximum Bit 101 00 Channel wire off or missing pulse fault mode 0 l0 Disabled 0 1 Alarm only frequency unchanged 1 0 Alarm and force frequency to maximum frequency value 32767 or 3276 7 or maximum frequency value 0 1 1 Alarm and force frequency to minimum frequency value 0 or 0 0 Bits 02 03 Missing pulse delay multiplier bits channel 1 Specifies the number of Missing Pulse Alarms periods Minimum Frequency Sampling Times which will be tolerated before the alarm is actually generated if enabled Used to defeat the Missing Pulse Alarm during a system startup Default 0 No multiplier alarm generated immediately normal mode with 2 s extension delay Bit 03 02 Alarm periods before alarm generated 0 0 No multiplier alarm generated immediately normal mode with 2 s extension delay 0 1 2 sample periods 2 s delay before alarm 1 0 8 sample periods 2 s delay before alarm 1 1 32 sample periods 2 s delay before alarm Bit 04 Frequency or Acceleration Alarm Select channel 1 Determines if the value in the Maximum Frequency or Acceleration write word is a Frequency actual or scaled or Acceleration Alarm value If set to Frequency Acceleration is not calculated 0 Frequency alarm 1 Acceleration alarm Default 0 frequency alarm Bits 05 06 Acceleration Calculation Time channel 1 Specifie
59. he user manual for your processor before reading this manual Purpose of the Manual This manual is a reference guide for the 1794 Frequency Input Modules It describes the procedures for installing configuring and troubleshooting your module For information on See Overview of the Frequency Input Module Chapter 1 Install Your FLEX 1 0 Frequency Input Module Chapter 2 Configure Your FLEX 1 0 Module with RSLogix 5000 Software Chapter 3 Read and Write Configuration Maps for the FLEX I O Module Chapter 4 Troubleshoot the Module Chapter 4 Specifications Appendix A Electronic Data Sheet EDS Files Appendix B Schematics Appendix C Program Your Module with PLC Processors Appendix D About the Vocabulary In this manual we refer to the frequency input module as the input module the Programmable Controller as the controller Publication 1794 6 5 11 September 2011 x Preface Related Documentation The following documents contain additional information concerning Rockwell Automation products To obtain a copy contact your local Rockwell Automation office or distributor Resource FLEX 1 0 Product Profile publication 1794 PP019 Description Comprehensive product profile for the FLEX I O product line FLEX 1 0 ControlNet Redundant Media Adapter publication 1794 5 18 Information on how to install the FLEX 1 0 ControlNet Redundant Media Adapter 1794 ACNR FLEX I O EtherNet IP Adapter Module Installation In
60. how the Module Safe State data is used to control alarm outputs for bus communication and internal module faults Local Fault Wire Off Fault or Missing Pulse Alarm 0 Safe states activated by bus communication only Safe states activated by any failure bus communication internal module faults and so on Default 0 safe states activated by bus communication only Bits 07 Not used Bits 08 09 Missing pulse multiplier bits channel 0 used to modify the Minimum Frequency 10 11 Sampling Time to allow the frequency bandwidth to be more closely adjusted to the value needed to report the proper frequency and report a missing pulse more quickly Default No multiplier alarm generated immediately Bit 09 08 Minimum frequency sampling time 11 10 0 0 No Multiplier alarm generated immediately normal mode with 2 s delay 0 1 X2 1 0 X8 1 1 X32 Bits 10 12 Number of pulses to terminate sampling channel 0 Lets you calculate Frequency 12 14 when a specified number of input pulses have occurred This allows earlier reporting of the frequency than the Minimum Frequency Sampling Time when many input pulses are occurring Accurate frequency determination is possible without waiting for the full Minimum Frequency Sampling Time to expire Default Minimum frequency sampling time Bit 12 11 10 Number of pulses to terminate sampling 14 13 12 0 0 0 Use minimum frequency sa
61. hown to the right of this paragraph New and Updated This table contains the changes made to this revision Information Topic Page Inclusion of two catalogs 1794 IJ2K and 1794 IJ2XT 1 The first chapter has been updated with the following topics 1 e The FLEX System e Type of Modules e The FLEX 1 0 Module in a Logix Control System The wiring illustration for terminal base units has been updated 20 The following topics have been added e Configure Your FLEX I O Module with RSLogix 5000 29 Chapter 3 e Troubleshoot the Module Chapter 5 35 e Electronic Data Sheet EDS Files 59 The Specifications topic Appendix A has been updated to include 55 specifications for 1794 J2K and 1794 IJ2XT Program Your Module is now moved to the appendices section It was 69 previously Chapter 3 in the last revision Publication 1794 6 5 11 September 2011 iv Summary of Changes Notes Publication 1794 6 5 11 September 2011 Overview of the Frequency Input Module Install Your FLEX 1 0 Frequency Input Module Table of Contents Summary of Changes New and Updated Information 1 25 the tty ae hed wae HERE iii Preface Who Should Use This Manual case caus anaes tase eke ERROR ix Purpose of the Manual siers expe bees do tot cete de Sven ix beat the Vocabulary xa d aia ate a EG D tee reno f Ix Related DOocamebltatofi ec s oat e enu E E e RA x Common Techniques Used in this Manual sees xii Chap
62. i A Select Y Y A GND GND y Magnetic 24V IEC 1 24V IEC 1 Magnetic VORTEX I I I I I I I I i uP system 0 1 Counter l Input control Module Direction data I I Processing Frequency count data l I Output control I Inter processor communication a gt From uP system 0 1 uP system 1 I Y I CRISP Bus interface Output 0 Output 1 I I I I I I FlexBus Data To From FlexBus 45388 The FLEX 1 0 Module ina The frequency input module performs high speed frequency and or scaling Logix Control System calculation operations for various industrial applications The module interfaces with a FLEX I O family adapter which then communicates with a programmable controller processor that has block transfer capability and external I O devices The adapter transfers data to the module block transfer write and from the module block transfer read using BTW and BTR instructions in your ladder diagram program These instructions let the adapter read input values and status from the module and let you write output values and configure the module mode of operation The following illustration describes the communication process Publication 1794 6 5 11 September 2011 4 Overview of the Frequency Input Module Typical Communication between a FLEX 1 0 Module and an Adapter 2 External devices transmit frequency signals to the module
63. ime to set a window in which to count pulses to determine the frequency At least two pulses are required within the sample window Frequency is determined by storing the time the first pulse occurred and then continually storing and updating the time of subsequent pulses along with the number of pulses encountered When the window expires the frequency is calculated and the procedure repeats The sequence and formula for determining frequency are shown below Overview of the Frequency Input Module 9 Normal Mode Frequency Determination at Least Two Pulses in Sampling Time Missing pulse alarm would be reported after 2 s if no pulse occurs Frequency reported Pulses counted at end sampling time 72 71 Minimum sampling time l L pe pulses counted Frequency input pulses First pulse in window T2 update as each Last pulse in window T1 time stored pulse occurs 45340 If only one pulse occurs within the sampling window when the sample time has expired the window is extended to 2 s to allow for a second pulse to occur As soon as a second pulse occurs the frequency is calculated and the procedures starts over If no second pulse is detected zero frequency is reported and a Missing Pulse Alarm is generated The following figure depicts this scenario Normal Mode Only One Pulse in Sampling Time Sampling Time Extended Frequency reported at _ 2 1 first pulse in extended Time T2 T1 Missing pulse alarm is reported af
64. invert gate 40 local fault 40 safe state 42 wire off 40 missing pulse multiplier 40 safe state mode 40 f f C cable shields 23 cabling length 22 power 22 Publication 1794 6 5 12 September 2011 72 Index calibration failure 39 53 chassis 13 21 22 combination type 21 communication 3 4 40 41 63 69 CompactLogix 29 configuration alarms 35 block transfer write 35 failure 39 53 fault action 32 fault modes 35 individual 21 module properties 33 number of pulses 35 connector female 15 FlexBus 16 16 19 male 15 contact switch 23 controller 3 5 7 29 64 70 ControlLogix 29 ControlNet 29 current draw 14 20 23 total 20 D daisychain 14 21 22 data map 35 data table 35 data transfer 3 deceleration 42 45 device 2 wire 23 input 3 magnetic 23 diagnostic 39 calculation 39 calculation failure 53 calibration 39 53 configuration 39 EEPROM 39 error 52 hardware 39 message 39 normal operation 39 53 RAM 39 ROM 39 53 status 53 test 52 Publication 1794 6 5 12 September 2011 dimensions drilling 17 DIN rail 15 16 direction detection 11 low to high transition 11 drilling 17 E EEPROM failure 39 53 Ethernet 29 failure calculation 53 calibration 53 configuration 53 EEPROM 53 hardware 53 message 53 RAM 53 ROM 53 fault communication 42 gate wire off 51 indicator 51 local 40 41 missing pulse 46 mode 32 wire off 38 41 40 51 female connecto
65. is Gnd Channel 0 Gate Input Channel 1 Gate Input 34 35 36 37 38 39 4 41 42 43 44 145 46 47 48 49 50 51 V COM Sply 0 Sply 0 6 Chassis Ground Sply 1 Sply 1 V COM Ld Gnd Ret for Shields Gnd Ret L 24V DC 24V DC Supply n Channel 0 Output Supply Channel 1 Output Supply SUPPly Out 45346 24V DC Terminals C 34 and C 50 COM C 35 and C 51 Chassis Ground Terminals B 16 B 33 C 38 C 40 45 and C 47 NC No connection For daisychaining Supply in C 34 and C 35 Supply out C 50 and C 51 Output Alarm Connections Output Alarm Channel 0 Terminals Channel 1 Terminals Connections Supply Supply Out Out Supply Supply Out Out RET RET RET RET Supply C 37 C 39 C 46 C 48 Output B 17 B 18 B 31 B 32 Connect cable shields to GND connections Resolution and Accuracy 1 Hz or 0 1 Hz depending on frequency range bit setting or accuracy specification listed below whichever is greater Publication 1794 6 5 11 September 2011 Resolution is defined as Resolution Install Your FLEX 1 0 Frequency Input Module 25 100 Count frequency x minimum frequency sample time Accuracy is defined as Minimum frequency sample time Accuracy 100 1 Minimum frequency sample 1 time count frequency Resolution and Accuracy Accuracy Mi
66. it 09 11 Wire Off Fault Alarm channel 0 When set indicates that 24V DC Input IEC 1 or Switch Contact with shunt Wire Off Detection has gone true for any of the Frequency or Gate inputs on a channel that has the Wire Off Fault Select 1 Bit 10 12 Frequency or Acceleration Alarm channel 0 Changes state from 0 1 if the calculated Frequency actual or scaled exceeds the user programmed Maximum Frequency or the absolute value of calculated Acceleration Deceleration exceeds the user programmed Maximum Acceleration Value The Frequency Alarm turns off when the Frequency drops below 9596 of the Alarm Value The Acceleration Alarm turns off when the Acceleration drops below 9096 of the Alarm Value Bit 11 13 Gate Input State channel 0 Indicates if there is a valid signal on the gate input This parameter is only determined once every 0 5 2 s Bits 12 13 Direction channel 0 Indicates the current Direction of Rotation using both the Frequency and Gate 14 15 inputs Frequency leads Gate Clockwise Gate leads Frequency CounterClockwise Used for slow speed detection from 1 1 500Hz No or Stopped rotation can be determined by the state of the Missing Pulse Alarm when it is switched on A missing Frequency Input generates a Missing Pulse Alarm a missing Gate Input only generates a No Sensor Present Detected status 3 Bits 14 15 Not used 16 17 Publication 1794 6 5 11 September 2011 Bit Wor
67. its ao ecu o REIR eww ha arcs 21 Connect Wiring to the FLEX I O Frequency Input Module 21 Connecting Wiring Using a 1794 TB3G 1794 TB3GK or 1794 TB3GS Terminal Base Unit 0 0 0 0 22 Resolution and AGCUFACy c v2 deri eR Eo Da ee a a 24 Examples of Wiring to a 1794 TB3G Terminal Base Unit 27 Chapter Summarys a4 cbe ae eR d oid m a eed ctm 27 Publication 1794 6 5 11 September 2011 vi Table of Contents Configure Your FLEX 1 0 Module with RSLogix 5000 Software Troubleshoot the Module Read and Write Configuration Maps for the FLEX I 0 Module Specifications Electronic Data Sheet EDS Files Schematics Programming Your Module with PLC Processors Publication 1794 6 5 11 September 2011 Chapter 3 CON CLOW es d Ege Duces scd water IRE NUN RPE SEs NE ru RR A 29 Add and Configure the FLEX I O Module ssssssss 29 Chapter Summary cisco uen corr eae rer Qa Res PO de 33 Chapter 4 Ona a RE E E E OES 35 Status Indicators cipe tee Ae AE ME RES SEG DRAWS 35 DANSES n pedea Lok eaaa a Raf tet aa a rhet ia 36 Diagnostic Bits in Word 5 of the BTR File 37 Chapter Summary vd owe eet e D RR RA IUS e Di CR iced Red 37 Chapter 5 OVERVIEW Set tnd yea So RA IR GE Sed D tp PAM Ee Ta RT REL 39 Configure Your Frequency Input Module lesse 39 Read Data From Your Module gv asia ee wie e doce e A 39 Map Data for the Module 4c dans a eU eR cC Sue RI ee 40 Frequency Input Module Image
68. latity select bits are the same selection This corresponds to clockwise rotation See illustration Direction Detection Principle of Operation on page 12 If a Low to High transition occurs on the Gate input followed by one on the Frequency input the rotation is countetclockwise Publication 1794 6 5 11 September 2011 12 Overview of the Frequency Input Module Direction Detection Principle of Operation Clockwise rotation 7 2xM ELM 0 M o Sensor 1 Gate input Frequency input 1J2 module _ t fF Sensor 0 F Clockwise PU Sensor 1 G Rotation Counter Fe Sensor 0 F Clockwise e y Sensor 1 G Rotation 45344 Ch apter Summ ary In this chapter you learned about the frequency input module block transfer communication and details of how the module functions Publication 1794 6 5 11 September 2011 Chapter 2 Overview Before You Install Your Module Power Requirements Install Your FLEX 1 0 Frequency Input Module This chapter provides you with pre installation requirements and instructions on how to install your FLEX I O Frequency Input modules Topic Page Before You Install Your Module 13 Power Requirements 13 Install the Module 14 Mount on a DIN Rail 14 Mount on a Panel or Wall 16 Mount the Frequency Input Module on the Terminal Base Unit 18 Wiring Information 20 Connect Wiring to the FLEX 1 0 Frequency
69. minimum frequency value 0 or 0 0 Bits 02 03 Missing pulse delay multiplier bits channel 0 Specifies the number of Missing Pulse Alarms periods Minimum Frequency Sampling Times which is permitted before the alarm is raised if enabled Used to defeat the Missing Pulse Alarm during a system startup Default 0 No multiplier alarm generated immediately normal mode with 2 s extension delay Bit 03 02 Alarm periods before alarm generated 0 0 No multiplier alarm generated immediately normal mode with 2 s extension delay 0 1 2 sample periods 2 s delay before alarm 1 0 8 sample periods 2 s delay before alarm 1 1 32 sample periods 2 s delay before alarm Bit 04 Frequency or Acceleration Alarm Select channel 0 Determines if the value in the Maximum Frequency or Acceleration write word is a Frequency actual or scaled or Acceleration Alarm value If set to Frequency Acceleration is not calculated 0 Frequency alarm 1 Acceleration alarm Default 0 frequency alarm Bits 05 06 Acceleration Calculation Time channel 0 Specifies the number of Frequency Sample Times over which the module calculates acceleration Default 0 Rolling Average previous 4 samples Bit 06 05 Acceleration Calculation Time in Frequency Sample Times Rolling Average previous 4 samples 8 16 32 0 0 1 1 0 1 0 1 Bit 07
70. module Topic Page Configure Your Frequency Input Module 35 Read Data From Your Module 35 Map Data for the Module 36 Frequency Input Module Image Table Mapping 36 Chapter Summary 49 The frequency module is configured using a group of data table words that are transferred to the module using a block transfer write instruction The software features available for configuration are frequency range number of pulses to sample sampling time safe states fault modes e alarms Configure your module for its intended operation by means of your programming terminal and write block transfers During normal operation the processor transfers from 1 8 words to the module when you program a BTW instruction to the module address Read programming transmits status and data from the frequency input module to the processor data table in one I O scan The processor user program initiates the request to transfer data from the frequency input module to the processor Publication 1794 6 5 11 September 2011 36 Read and Write Configuration Maps for the FLEX 1 0 Module Map Data for the Module The following read and write words and bit word descriptions desctibe the information written to and read from the frequency input module The module uses up to 6 words of input data and up to 7 words of output data Each word is composed of 16 bits Frequency Input Module Image Table Mapping Module Image Frequenc
71. mpling Time to allow the frequency bandwidth to be more closely adjusted to the value needed to report the proper frequency and report a missing pulse more quickly Default No multiplier alarm generated immediately Bit 01 00 Missing Pulse Multiplier 0 0 No Multiplier normal mode with 2 s delay 0 1 X2 1 0 X8 1 1 X32 Bits 02 04 Number of pulses to terminate sampling channel 1 Lets you calculate Frequency Defa when a specified number of input pulses have occurred This allows earlier reporting of the frequency than the Minimum Frequency Sampling Time when many input pulses are occurring Accurate frequency determination is possible without waiting for the full Minimum Frequency Sampling Time to expire ult Minimum frequency sampling time Bit 04 03 02 Number of pulses to terminate sampling 0 0 0 Use minimum frequency sampling time 0 0 2 0 1 0 4 0 1 8 1 0 0 16 1 0 32 1 1 0 64 1 1 128 Publication 1794 6 5 11 September 2011 Read and Write Configuration Maps for the FLEX I O Module 41 Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Word 0 Bits 05 Frequency range bits channel 1 Specifies the Frequency Range of the Frequency con t input 0 1 32767 below 1 Hz reports 0 1 1 0 3276 7 below 1 0 Hz reports 0 0 Default 0 Bits 06 Local fault mode selection determines
72. mpling time 0 0 2 0 1 0 4 0 1 8 1 0 0 16 1 0 32 1 1 0 64 1 1 128 Publication 1794 6 5 11 September 2011 42 Read and Write Configuration Maps for the FLEX I O Module Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Bit 13 15 Frequency range bits channel 0 Specifies the Frequency Range of the Frequency input 0 1 32767 below 1 Hz reports 0 1 1 0 3276 7 below 1 0 Hz reports 0 0 Default 0 Bit 14 16 Safe state mode bit selection determines how module alarm outputs react to bus communication and internal module faults Local fault Wire Off Fault or Missing Pulse Alarm 0 Reset outputs 1 Hold last state Default 0 reset outputs Bit 15 17 Communication fault Signals that communication has been interrupted on the network The adapter signals that the module should execute its fault routine or go to the Safe State and control any Alarm Outputs accordingly During normal startup this bit must be set 1 by the user program to begin normal module operation of Alarm Outputs in effect an output enable When the adapter communication link is broken the adapter will reset this bit 0 Adapter dependent Default 0 Word 1 Bits 00 15 00 17 Maximum frequency or absolute value acceleration deceleration channel 0 Specifies the highest Frequency or absolute Acceleration Deceleration value allowed on the
73. n any folder except the Program Files Rockwell Software RSCommon EDS folder where your Rockwell Automation software is installed e Register EDS files with RSNetworx by selecting Tools EDS Wizard e Select Register an EDS File then click the Browse button on the Next page to find your file EDS Installation You can register EDS files with the EDS Hardware Installation tool 1 In Windows go to Rockwell Software RSLinx Tools EDS Hardware Installation Tool 2 Click Add to register an EDS file When an EDS file is registered a copy of the file is made and placed in the RSCommon EDS folder where your Rockwell Automation software is installed and your Windows registry is updated Once the registration is complete you can move copy or delete the original files Appendix C What This Appendix Contains Schematics Use this appendix to understand the internal logic of the FLEX I O Frequency Input module Follow the wiring practices described in Industrial Automation Wiring and Grounding Guidelines for Noise Immunity publication 1770 4 1 when wiring your I O devices This includes routing conductors grounding practices use of shielded cables input circuits The frequency input module input logic consists of frequency input circuits gate input circuits Frequency Inputs The frequency input circuit uses a comparator to determine when the input voltage threshold is exceeded When exceede
74. nate 1 T2 TI Missing pulse alarm would be reported after 2 seconds if no pulse occurs Frequency input pulses 45342 First pulse in window T2 update as each Number of pulses to T1 time stored pulse occurs terminate reached Missing Pulse Multiplier The last user parameter which is provided to modify the frequency algorithm is the Missing Pulse Multiplier In this case the user can set the number of Minimum Frequency Sampling Time windows allowed to extend the time to capture a second pulse before reporting a Missing Pulse Alarm The intent with this parameter 1s to allow a tradeoff of the bandwidth available with the response time to report a missing pulse This mechanism is shown in the following figure Overview of the Frequency Input Module 11 o u Frequency reported at _ 2 1 Missing pulse multiplier first pulse in extended T2 T1 time Missing pulse alarm would be reported after last window if no pulse occurs Extended windows added one at time until Frequency input L 4 L pulses First pulse in window First pulse in an extended T1 time stored window T2 time stored 45343 Direction Detection Direction detection is accomplished by using the Frequency input Gate input and two sensors The module expects to see a Low to High transition on the Frequency input followed by a Low to High transition on the Gate input This assumes both input po
75. nimum Sampling Time Worst Deviation in Hz Due to Resolution Frequency Accuracy Base Case Total Accuracy Weis 0 PP erar 20 S87 Di ame Range Range in Hz in Hz 2 0 0296 0 022590 0 0425 0 1 1 4 1 14 0 0196 4 0 0196 0 022590 0 0325 0 1 1 1 1 11 0 00596 5 0 00896 0 022590 0 0305 0 1 1 0 1 10 0 004 10 0 004 0 0225 0 0265 0 1 0 9 n 0 00296 20 0 00296 0 022590 0 0245 0 1 0 8 8 0 00196 50 0 000896 0 022596 0 0233 0 1 0 8 8 0 000496 100 0 000496 0 022596 0 0229 0 1 0 8 8 0 000296 200 0 000296 0 022596 0 0227 0 1 0 7 a 0 000196 500 0 00008 0 022596 0 02258 0 1 0 7 Ti 0 00004 1000 0 00004 0 022596 0 02254 0 1 0 7 mi 0 00002 Input Map Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Word Read 0 Frequency 0 32 767 or 0 0 3 276 7 Channel 0 1 Full Scale 0 0 3 276 7 Channel 0 or Acceleration 32 768 32 767 Channel 0 Frequency 0 32 767 or 0 0 3 276 7 Channel 1 Full Scale 0 0 3 276 7 Channel 1 or Acceleration 32 768 32 767 Channel 1 R R Direction GS FA WO MPA R R Direction GS FA WO MPA Ch 0 ChO ChO ChO ChO Ch 1 Ch1 Ch1 Ch1 Ch1 Publication 1794 6 5 11 September 2011 wy N D 26 Install Your FLEX I O Frequency Input Module Input Map Bit 15 14 13 12 11 10 09 08 07 06 05 04 03
76. ntage of Full Scale or Acceleration channel 1 Value of the calculated Frequency scaled by the 00 17 Maximum Frequency or Calculated Value of Acceleration in Hz s depending on the state of the Frequency or Acceleration Alarm Select bit Percentage full scale will be calculated accurately up to a maximum of 3 276 7 Beyond this maximum the value of 3 276 7 is returned and a Calculation Failure 9 is set in the Diagnostic Status byte Publication 1794 6 5 11 September 2011 38 Read and Write Configuration Maps for the FLEX 1 0 Module Bit Word Definitions for Block Transfer Read Words Word Word 4 Bit Definition Bits 00 Missing Pulse Alarm channel 1 Indicates that no Frequency input pulse has occurred within the period determined by the Minimum Frequency Sampling Time and the Missing Pulse Multiplier Primary control is given to the Missing Pulse Multiplier to determine when this bit is set However if the Missing Pulse Multiplier is set to 0 then the Minimum Frequency Sampling Time characteristics will determine when this bit is set Bit 01 Wire Off Fault Alarm channel 1 when set indicates that 24V DC Input IEC 1 or Switch Contact with shunt Wire Off Detection has gone true for any of the Frequency or Gate inputs on a channel that has the Wire Off Fault Select 1 Bit 02 Frequency or Acceleration Alarm channel 1 Changes state from 0 1 if the calculated Frequency
77. ntil the adapter requests their 3 45339 Overview of the Frequency Input Module 5 A broader view of how the FLEX I O module interfaces with the different elements in a Logix system is shown in the sample illustration below PC running controller and Rockwell Automation configuration software PanelView Station FLEX System 1794 Adapter i 1794 FLEX 1 0 module Bridge i l I I Ethernet In this example the FLEX I O module communicates with the controller through the adapter The controller can produce and consume tags It can initiate MSG instructions that send and receive data or configure devices Configuration of devices and the network is done through the personal computer running the controller and configuration software To learn about the steps to configure your FLEX I O module see Configure Your FLEX I O Module with RSLogix 5000 Software on page 29 The following publications provide more information about EtherNet IP and ControlNet modules in a Logix5000 system e EtherNet IP Modules in Logix5000 Control Systems publication ENET UM001 e ControlNet Modules in Logix5000 Control Systems publication CNET UMOOT1 Typical Applications You can use the frequency input modules in power management automotive food and beverage and oil and gas industries for various
78. on 1794 6 5 11 September 2011 Chapter 3 Configure Your FLEX I O Module with RSLogix 5000 Software Overview This chapter describes how to configure the 1794 IJ2 module for the ControlLogix and CompactLogix system The module can communicate through different networks such as ControlNet Ethernet Profibus among others In the examples below the Ethernet adapter is used for communication between the Logix processor and the FLEX I O bus If using an SLC controller with ControlNet refer to the associated I O scanner documentation A If using a PLC 5 controller refer to the PLC 5 controller documentation for ControlNet configuration information You need to follow these series of steps to fully configure your FLEX I O module in the RSLogix 5000 software 1 Add and configure the new local bridge module such as 1756 ENBT to your project This user manual assumes you have already properly configured this module Refer to the associated documentation 2 Add and configure the new adapter module such as a FLEX I O EtherNet Adapter 1794 AENT This user manual assumes you have already properly configured this module Refer to the associated documentation 3 Add and configure your FLEX I O module See the steps provided below 4 Download the configuration to the controller Add and Configure the P ie eee gt ains I O A CR P ah you should have 7 Ethernet bridge and adapter FLEX 1 0 Module ready added and configured your g
79. ondition Flashing for IEC1 Proximity switch or switch contacts with shunt resistor Output Alarm Off Dark Output alarm turned off 0 1 On Yellow Output alarm turned on Logic Drive On Status OK Off Dark 24V Power Turned Off or 5V Logic Power Problem Solid Green Module OK Normal Operating Mode Solid Red Module Fault Outputs Disabled The frequency input module returns diagnostics to the PLC processor in Word 5 of the BTR file These diagnostics give you information on the status or condition of the module Troubleshoot the Module 37 Diagnostic Bits in Word 5 of the BTR File 45375 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 zw M See table Diagnostic Bits in Word 5 for diagnostics Diagnostic Bits in Word 5 Word 5 Bits 00 03 Diagnostic Status indicates the response from the module a normal or non normal Chapter Summary operating condition Bit 03 02 00 Decimal equivalent and condition 0 0 0 Normal operation no failure 0 1 Calibration failure 2 Configuration failure a Minimum Frequency Sample Time value other than 0 9 was selected 3 Message failure 4 Lead break detection hardware failure 5 Major hardware failure 6 EEPROM failure oO Ol S CO CO 7 RAM failure 8 ROM failure 9 Calculation failure The actual frequency is gre
80. otes Publication 1794 6 5 11 September 2011 Numerics 1756 ENBT 29 1794 ACN15 4 1794 ACNR1 4 1794 ACNR15K 4 1794 ADN 4 1794 AENT 4 1794 APB 4 1794 APBDPV1 4 1794 ASB 4 1794 1J2 application 7 capabilities 7 features 8 installation 13 mode 7 operation 8 output capabilities 7 power requirements 13 wiring 21 1794 1J2K 2 1794 1J2XT 2 1794 TB3G 18 20 21 22 1794 TB3GK 20 21 1794 TB3GS 18 20 21 22 A acceleration absolute value 39 alarm 43 46 calculation 33 40 43 46 accuracy 7 24 25 adapter 1 3 5 15 16 17 18 22 52 capabilities 20 data transfer 3 maximum capacity 20 alarm acceleration 38 43 frequency 8 43 missing pulse 9 26 38 46 47 output 24 52 output alarm connections 24 wire off 38 pulses to terminate sampling 33 Index application 7 8 backplane 13 16 19 51 bandwidth 10 bits words acceleration 38 43 communication fault 42 definition 40 diagnostic 53 direction 38 fault 38 frequency alarm 46 requency range 42 46 requency scaling 42 45 gate input state 38 initiate startup 47 input polarity 11 invert select 47 missing pulse 40 missing pulse delay 46 pulse 38 40 pulses wire off 43 46 block transfer read BTR bit definition 37 bits 37 decimal bit 36 gate state 37 octal bits 36 word assignments 36 block transfer write BTW bit definition 40 communication fault 40 decimal bits 39 frequency range 40 41 initiate startup 47 instructions 3 invert frequency 40
81. peatable every 2 s Off state leakage max Less than 300 uA 31 2V DC On state voltage drop 0 9VDC 1A Output control Outputs individually assignable to Frequency Full scale or acceleration alarm Output switching time Triggered by frequency alarm or acceleration alarm Turn on Less than 0 5 ms Turn off Less than 1 ms Meets IEC 1A 24V DC output specifications General Specifications Attribute Value Module location Cat No 1794 TB3G and 1794 TB3GS terminal base units External DC power Voltage range Supply voltage nom Supply current Input for 5V logic and 24V DC DC converters 19 2 31 2V DC includes 5 AC ripple 24V DC 220 mA Q 19 2V DC 180 mA Q 24V DC 140 mA Q 31 2V DC Isolated DC power Voltage range Supply voltage nom Supply current max Peak AC ripple max Output to sensors and encoders 21 6 26 4V DC 24V DC 0 60 mA Q 24V DC 4 devices 15 mA 60 mA 100 mV Dimensions with module installed in base HxWxD 94 x 94 x 69 mm 3 7 x 3 7 x 2 7 in Isolation voltage 50V continuous Basic Insulation Type Type tested 1365V AC for 60 s between field side and system and individual channels Processing time 4 ms FlexBus current 30 mA Q 5V DC General Specifications Attribute Specifications 57 Value Power dissipation max 4 6W Q 31 2V DC Thermal dissipation max 15 6 BTU hr 31 2V
82. proceeding terminal base and the FlexBus connector is fully retracted Rotate the terminal base onto the DIN rail with the top of the rail hooked under the lip on the rear of the terminal base Use caution to make sure that the female FlexBus connector does not strike any of the pins in the mating male connector Publication 1794 6 5 11 September 2011 16 Install Your FLEX I O Frequency Input Module Publication 1794 6 5 11 September 2011 6 Press down on the terminal base unit to lock the terminal base on the DIN rail If the terminal base does not lock into place use a screwdriver or similar device to open the locking tab press down on the terminal base until flush with the DIN rail and release the locking tab to lock the base in place NES Alen Bradey D MobULE status NETWORK STATUS Herz U unk status aNd 212 EH 45321 Gently push the FlexBus connector into the side of the adapter or proceeding terminal base to complete the backplane connection p d 9 e CN mS O MODULE status NETWORK STATUS Flex to O unk status 45322 For specific wiring information refer to the installation instructions for the module you are installing in
83. quency Input Module Publication 1794 6 5 11 September 2011 Drill the necessary holes for the 6 self tapping mounting screws Mount the mounting plate for the adapter module using two 6 self tapping screws 18 screws are included for mounting up to 8 modules and the adapter IMPORTANT Make certain that the mounting plate is properly grounded to the panel Refer to Industrial Automation Wiring and Grounding Guidelines publication 1770 4 1 Hold the adapter at a slight angle and engage the top of the mounting plate in the indention on the rear of the adapter module Press the adapter down flush with the panel until the locking lever locks Position the terminal base unit up against the adapter and push the female bus connector into the adapter Secure to the wall with two 6 self tapping screws Repeat for each remaining terminal base unit Mount the Frequency Input Module on the Terminal Base Unit The Frequency Input module mounts on a 1794 TB3G or 1794 TB3GS terminal base unit 1 Rotate keyswitch 3 on terminal base unit 4 clockwise to position 1 as required for the module Do not change the position of the keyswitch after wiring the terminal base unit Install Your FLEX 1 0 Frequency Input Module 19 AZ E LLL LLL EEE LLL 40231 Label here or under here _ Description Description __ FlexBus connector 5 Base unit
84. r 15 FLEX 1 0 adapter 3 components 1 family 3 frequency input 13 21 module 13 system 1 2 13 FlexBus 14 15 16 19 frequency alarm 7 43 algorithm 2 10 bandwidth 40 calculation 3 8 9 39 determination 10 formula 8 input 7 42 44 input pulses 3 minimum sample time ms 8 25 44 maximum 32 39 43 46 measurement 3 minimum 46 minimum sample time 32 33 41 47 overange 39 parameters 8 percentage full scale 7 range 32 33 35 range bit setting 24 scale 7 zero 9 G gate input low to high transition 11 gate state 26 GND connection 24 H hardware failure 53 major failure 39 53 hazardous location 19 1 0 module 2 3 IEC 1131 2 23 indicator condition 52 description 52 fault 51 gate inputs 51 input 51 52 output 51 power 51 wire off fault 51 input acceptable frequency 2 application 5 channel 6 7 configuration 35 data maps 35 device 3 frequency 7 11 42 44 gate 6 11 38 indicator 51 52 map 25 48 pulses 3 41 read words 36 scaling calculation 3 scaling divisor 45 signals 6 Index 73 types 23 usage 3 wire off detection 46 write words 36 installation 14 15 drilling dimension 16 17 hazardous location 19 instructions 13 module position 13 mounting kit 17 requirements 13 terminal base 14 18 wall or panel mounting 16 wiring 14 J jumper 23 K keyswitch 13 18 L ladder program 4 lead break 48 53 local fault mode 41 location hazardous 19 Logix syst
85. rogramming a BTR The programming terminal prompts you to create a control file when a block transfer instruction is being programmed The same block transfer control file is used for both the read and write instructions for your module A different block transfer control file is required for every module PLC 3 Processor Program Example Program Your Module with PLC Processors 67 Rung M 0 The IJ2 module is located in rack 3 I O group 2 slot 0 The control file is a 10 word file starting at B17 0 that is shared by the BTR BTW The data obtained by the PLC3 processor is placed in memory starting at location N18 101 and with the default length of 0 is 7 words long IJ2 BTR BTW Control Block BTR c IJ BTR BLOCK TRANSFER READ H EN Rack 3 Done Bit Group 2 L pw B17 0 Slot o Control B17 0 H ER Vt Data File N18 101 E d Length 0 IJ2 BTR J2 BTR Error Bit Error Bit B17 0 B17 0 f T u 13 3 The IJ2 module is located in rack 3 starting at B17 0 that is shared by the BTR BTW The data sent IJ2 module is from PLC memory starting at N18 1 and with the is 8 words long IJ2 BTR BTW I O group 2 slot 0 The control file is a 10 word file by the PLC 3 processor to the default length of 0 IJ2 BTW Control Block Done Bit B17 0 DIW BLOCK TRANSFER WRITE HEN i L Rack 3 5 Group 2 Slot 0 on Control B17 0 Y Data N18 1 4 ER Length 0
86. rs switch magnetic vortex INNEN M CC c c ok 0 1 e used to determine direction CW or CCW 45557 Publication 1794 6 5 11 September 2011 Overview of the Frequency Input Module 7 Selecting the Modes of Operation You configure the frequency input module for these modes of operation Modes of Operation Mode Use this mode to Indicators Scaler Alarms Values Frequency and e Monitor the frequency of an input with high Full Scale accuracy for example shaft e Monitor the percentage of full scale frequency e Operate frequency alarm 96 full scale X e Scale the frequency e Monitor the direction of shaft rotation Wire off alarm with DC devices X i e Missing pulse alarm X Frequency and Acceleration Monitor the frequency of an input with high accuracy for example shaft e Monitor the acceleration rate of speed change e Operate acceleration alarm rate of change X e Scale the frequency e Monitor the direction of shaft rotation s e Wire off alarm with DC devices X e Missing pulse alarm X Output Capabilities The frequency input module has 2 assignable outputs These outputs are designed for applications that require fast response The outputs are current sourcing at 10 31 2V DC 1 A maximum per output are electrically fused current limited to 3 A can be assigned to the associated input channel with user selectable frequency and acceleration values are isolated this lets you
87. s of mounting the terminal base unit installing the module into the terminal base unit installing the connecting wiring to the terminal base unit Mount on a DIN Rail Do not remove or replace a terminal base unit when power is applied ATTENTION f Interruption of the FlexBus can result in unintended operation or machine motion Install the Terminal Base Unit 1 Remove the cover plug in the male connector of the unit to which you are connecting this terminal base unit Install Your FLEX 1 0 Frequency Input Module 15 2 Check to make sure that the 16 pins in the male connector on the adjacent device are straight and in line so that the mating female connector on this terminal base unit will mate correctly TEE Allen Bradley UI MODULE status Q I NETWORK status O unk status OOOO0O0O000O66 OO0000 SISISISISISIeJeIe e E SIS OOOO eOOOOOCOO 45319 Make certain that the female FlexBus connector is fully retracted into the base unit 3 Position the terminal base at a slight angle and hooked over the top of the 35 x 7 5 mm DIN rail A Allen Bradley part number 199 DR1 46277 3 n MODULE STATUS C NETWORK STATUS C unk status 45320 Slide the terminal base over tight against the adapter or proceeding terminal base Make sure the hook on the terminal base slides under the edge of the adapter or
88. s the number of Frequency Sample Times over which the module calculates acceleration Default 0 Rolling Average previous 4 samples Bit 06 05 Acceleration Calculation Time in Frequency Sample Times 0 0 Rolling Average previous 4 samples 0 1 8 1 0 16 1 1 32 Publication 1794 6 5 11 September 2011 Read and Write Configuration Maps for the FLEX I O Module 47 Bit Word Definitions for the Block Transfer Write Words Word Bit Definition Word 6 Bit 07 Initiate Startup Select channel 1 Alerts a channel that if process startup is in progress to defeat the missing pulse alarm for a time determined by the missing pulse delay multiplier 0 Normal run mode 1 Startup Mode Defeat delay Missing Pulse Alarm Default 0 Normal run mode Bits 08 11 Minimum Frequency Sampling Time channel 1 Specifies the minimum time in ms 10 13 the module will spend collecting pulses to determine the Frequency Bit 11 10 09 08 Minimum Frequency Sampling Time in ms 0 0 10 0 2 0 0 0 1 4 0 0 1 0 5 0 0 1 10 0 1 0 0 20 0 1 0 1 50 0 1 1 0 100 0 1 1 1 200 1 0 0 0 500 1 0 0 1 1000 1010 1111 not used 2 ms default sample time used Bit 12 14 Invert Select Frequency Input channel 1 Selects whether to invert the Frequency input signal if not using an Active High 24V On 24V DC IEC 1 sensor or Normally
89. structions publication 1794 IN082 Information on how to install the FLEX I O EtherNet IP Adapter Module Catalog No 1794 AENT FLEX 1 0 ControlNet Adapter Module Installation Instructions publication 1794 IN128 Information on how to install the ControlNet Adapter Modules Catalog No 1794 ACN15 1794 ACN15K 1794 ACNR15 1794 ACNR15XT Series D FLEX I O DeviceNet Adapter Module Installation Instructions publication 1794 IN099 Information on how to install the FLEX 1 0 DeviceNet Adapter Modules Catalog No 1794 ADN 1794 ADNK Remote I O Adapter Modules Installation Instructions publication 1794 IN098 Information on how to install the Remote 1 0 Adapter Modules Catalog No 1794 ASB 1794 ASB2 1794 ASBK 1794 ASB2K Remote O Adapter Module User Manual publication 1794 UM009 Information on how to use the Remote 1 0 Adapter Module Catalog No 1794 ASB FLEX I O PROFIBUS Adapter Module Installation Instructions publication 1794 IN087 Information on how to install the FLEX I O PROFIBUS Adapter Catalog No 1794 APB FLEX I O PROFIBUS Adapter Module User Manual publication 1794 UM057 Information on how to use the FLEX I O PROFIBUS Adapter Module Catalog No 1794 APB Flex I O Digital Input Modules Installation Instructions publication 1794 IN093 Information on how to install the Flex I O Digital Input Modules Catalog No 1794 IB8 1794 IB16 1794 IB16K 1794 IB32
90. ter 1 OVVIE nd dod pA M LL pat KM dd TAE E A 1 The FLEX System scia exu a te eae WATERS E ede M n d d 1 Typ of Modules 51 depuis epetet hut Ye obe dean e aos 2 Usage of the Frequency Input Module eee eh 2 The FLEX I O Module in a Logix Control System LL 3 Typical Applications s ese S PUT 4 hare no EEE wh WR a 5 Input Capabilities zi oda pae en a ee ola 6 Selecting the Modes of Operation coined yee x 7 Output Capabilities rin ss bia Eas A c Cabs a E AREV Oy 7 Implementing Application Features 0 00 0 c eee 7 How Frequency Is Calculated cautes ble ta ots Seen aan 8 Frequency Calculadono esie te HE RES nA OT e E 8 Termination on Number of Pulses esi doce na 10 Missing Pulse Multiplier os eet eR eT OR P eR 10 Direction Detector eat ten VALER RU 11 Chapter S0iiiatyc eres ciem Tub iet eta tease a ee ecd d edes 12 Chapter 2 OVVIE Woei a area nes a Pee Sta GS EA ST esca 13 Before You Install Your Modules os 2 pete vet ve doe Ie 13 Power Requirements is so veux viia p bes MEER ERE SC E E e s 13 Tastall the Module sits seerne ER a wp RF ER EO E OF RUE 14 Mountoma DIN Bl sseni rr e ana iis 14 Mount on a Panel or Wallis ees e RR E Cn met an 16 Mount the Frequency Input Module on the Terminal Base Uniten a Senco ct dined bobo dade dea tee ameet ora tu a Ava an dies 18 NAMIE OORT ION erar chilis OE ta vine eat A Mesi o e Sa NaN s 20 Wiring the Terminal Base Units 1794 TB3G shown 20 Ware the Terminal Base Un
91. ter 2 s if no pulse occurs Minimum mE sampling time Frequency input Sampling time pulses M d extended to 2 s 4 Y Y 45341 First pulse in window First pulse after T1 time stored window extended T2 time stored Publication 1794 6 5 11 September 2011 10 Overview of the Frequency Input Module Publication 1794 6 5 11 September 2011 Termination on Number of Pulses The normal mode is designed to provide wide bandwidth However it requires the full 2 seconds to report a missing pulse Another user parameter Number of Pulses to Terminate Sampling is provided for scenarios where many pulses are expected within the sampling window such that early determination of frequency is possible During normal operation there is a sufficient number of pulses to prevent the module from entering the 2 second extension mode Once the user defined number of pulses is reached within the sampling window the frequency is immediately reported If the sampling window has been extended to 2 seconds while waiting for a second pulse to occut a situation which can occur during system startup the module does not wait for the number of pulses to be reached Instead as soon as a second pulse occurs the frequency is calculated based on the time between the 2 pulses and the procedure starts over Termination on Number of Pulses Frequency reported at number of pulses to terminate reached Pulses to termi
92. y Channel 0 1 0 Image Full Scale or Acceleration Channel 0 Frequency Channel 1 1 6 Words Full Scale or Acceleration Channel 1 GS F A WO MPA GS F A WO MPA 0 0 0 0 1 1 1 1 Input size Reserved Diagnostics a Ke Cl p Minimum Freq or Absolute Value of Acceleration Channel 0 Frequency Scaling Divisor Channel 0 Frequency Scaling Multiplier Channel 0 N WOFG WOFF IGI IFI MFST IS F A MPDM WOFM Minimum Freq or Absolute Value of Acceleration Channel 1 Frequency Scaling Divisor Channel 1 Frequency Scaling Multiplier Channel 1 WOFG WOFF IGI IFI MFST IS ACT1 F A WOFM 1 1 1 1 1 UP1 AS1 1 45351 Output size Block Transfer Read Word Assignments Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Decimal Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 0 Frequency 0 32 767 or 0 0 3 276 7 Channel 0 1 Full Scale 0 0 3 276 7 Channel 0 or Acceleration 32 768 32 767 Channel 0 2 Frequency 0 32 767 or 0 0 3 276 7 Channel 1 3 Full Scale 0 0 3 276 7 Channel 1 or Acceleration 32 768 32 767 Channel 1 Publication 1794 6 5 11 September 2011 Read and Write Configuration Maps for the FLEX I O Module 37 Block Transfer Read Word Assignments Octal Bit 17 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Decimal Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 4 R R Direction GS FA WO MPA R R

1794-UM011C-EN-E FLEX I/O Frequency Input Module User Manual

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