Rockwell-automation 1771-IJ_IK IK ENCODER/COUNTER MODULES Manual de usuario

UserManualEncoder/CounterModules(Cat. Nos. 1771ĆIJ and 1771ĆIK)AllenĆBradley

1–2 IntroductionPublication 1771ĆUM006B-EN-P - June 2002Figure 1.1Encoder Counter Module (cat. no. 1771ĆIJ/IK)Slotted for I/OInsertion OnlyProtective

1–3IntroductionPublication 1771ĆUM006B-EN-P - June 2002The encoder/counter module is shipped with two 12 terminalgold-plated Field Wiring Arms (cat. n

1–4 IntroductionPublication 1771ĆUM006B-EN-P - June 2002System power is supplied through the I/O chassis backplane from the5V dc chassis power supply.

Chapter 2Publication 1771ĆUM006B-EN-P - June 2002Preliminary AdjustmentsThe module has programming options (Table 2.A) that are selectedby setting the

2–2 Preliminary AdjustmentsPublication 1771ĆUM006B-EN-P - June 2002Count resolution (switches 2 and 3) - In the encoder mode, theaccuracy of a quadrat

2–3Preliminary AdjustmentsPublication 1771ĆUM006B-EN-P - June 2002Figure 2.1Input PulsesTimeEncoderChannel AChannel Bx1x2x4UpPulsedtoCounterEncoderCha

2–4 Preliminary AdjustmentsPublication 1771ĆUM006B-EN-P - June 2002Binary/BCD data format (switch 5) - The preset values and theaccumulated total in t

2–5Preliminary AdjustmentsPublication 1771ĆUM006B-EN-P - June 2002No special filtering is provided on channel B, since the filteringnecessary for a me

2–6 Preliminary AdjustmentsPublication 1771ĆUM006B-EN-P - June 2002Table 2.DInput Configuration Switch Assembly (1771ĆIK) SWĆ2Switch 1 Switch 2 Switch

2–7Preliminary AdjustmentsPublication 1771ĆUM006B-EN-P - June 2002No special filtering is provided on channel B, since the filteringnecessary for a me

DeviceNet, DeviceNetManager, and RediSTATION are trademarks of Allen-Bradley Company, Inc.PLC, PLC–2, PLC–3, and PLC–5 are registered trademarks of Al

2–8 Preliminary AdjustmentsPublication 1771ĆUM006B-EN-P - June 20023. Set the switches of SW-1 (Table 2.E) according to the desiredprogramming options

Chapter 3Publication 1771ĆUM006B-EN-P - June 2002InstallationATTENTION!Environment and EnclosureThis equipment is intended for use in a PollutionDegre

3–2 InstallationPublication 1771ĆUM006B-EN-P - June 2002!ATTENTIONPreventing Electrostatic DischargeThis equipment is sensitive to electrostaticdischa

3–3InstallationPublication 1771ĆUM006B-EN-P - June 2002Figure 3.1Connection Diagram Showing Typical 1771ĆIJ Encoder ApplicationChannel ACommonChannel

3–4 InstallationPublication 1771ĆUM006B-EN-P - June 2002Figure 3.2Connection Diagram Showing Typical 1771ĆIK Counter Applications withExternal Count D

3–5InstallationPublication 1771ĆUM006B-EN-P - June 2002Plastic keying bands provide an easy method for keying an I/O slotto accept only one type of mo

3–6 InstallationPublication 1771ĆUM006B-EN-P - June 2002

Chapter 4Publication 1771ĆUM006B-EN-P - June 2002Module/ProcessorCommunicationCommunication between the processor and the encoder/countermodule is bid

4–2 Module/Processor CommunicationPublication 1771ĆUM006B-EN-P - June 2002The program controls encoder/counter module operation through theoutput word

4–3Module/Processor CommunicationPublication 1771ĆUM006B-EN-P - June 2002Bits 00–13 of this word show the accumulated count kept by themodule. This c

PrefacePublication 1771ĆUM006B-EN-P - June 2002Using This ManualRead this preface to familiarize yourself with this manual and tolearn how to use it p

4–4 Module/Processor CommunicationPublication 1771ĆUM006B-EN-P - June 2002

Chapter 5Publication 1771ĆUM006B-EN-P - June 2002Single Transfer ProgrammingSingle transfer programming is one method for coordinating andcontrolling

5–2 Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Figure 5.1Control Word Ć Single Transfer17 16 15 14 13 12 11 10 07 06 05 04 03

5–3Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Note that if a device is wired to channel B for external control ofcount directi

5–4 Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Bits 00-05 are significant only when one or both preset words areused. These b

5–5Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Figure 5.3Preset Word #2 Ć Single Transfer17 16 15 14 13 12 11 10 07 06 05 04 03

5–6 Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Bidirectional single transfer programming, then, requires both aninput image ta

5–7Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002However, in some applications, one or both preset words must beused. Here, the

5–8 Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Rung 4 shows the input status word examined in the user program.Note that this

5–9Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Table 5.AScan Count SequencingAt Count:[1]Program Executes Command To: I/O Scan:

Using This ManualP–2Publication 1771ĆUM006B-EN-P - June 2002Because of the variety of uses for the products described in thispublication, those respo

5–10 Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Figure 5.6Scan Counter Ć PLCĆ2 Processors030CTUPR003AC000030CTUPR003AC000Branc

5–11Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002In order to keep track of both I/O and program scans, the PLC scancounter rungs

5–12 Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Note: In some applications, it may be feasible to designate an inputlocation

5–13Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002The following assumptions are made for this sample program:• Encoder/counter mo

5–14 Single Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002

Chapter 6Publication 1771ĆUM006B-EN-P - June 2002Block Transfer ProgrammingBlock transfer programming is available with all Allen-Bradleyprocessors th

6–2 Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Figure 6.1Control Word Ć Block Transfer Mode17 16 15 14 13 12 11 10 07 06 05 04

6–3Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002The module indicates it has reset its count to zero by setting thehome bit (bit 1

6–4 Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Preset WordsIn block transfer communication, preset words #1 and #2 have theform

6–5Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Note that there is no identifying bit pattern to distinguish presetwords #1 and #

Using This Manual P–3Publication 1771ĆUM006B-EN-P - June 2002This preface gave you information on how to use this manualefficiently.Summary

6–6 Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Rung DescriptionsRungs 1 and 2 - These rungs request the block transfer write (B

6–7Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002PLCĆ3 Family ProcessorsUse the following ladder logic with PLC-3 or PLC-3/10 proc

6–8 Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Figure 6.6Sample Ladder Logic for PLCĆ3 Block TransferLEBTWDNERXORA XOR B =

6–9Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002PLCĆ5 Family ProcessorsYou can use the following ladder logic with PLC-5 processo

6–10 Block Transfer ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Figure 6.8Example Ladder Logic for PLCĆ5 Block TransferENBTWBLOCK TRNSFR WRITER

Chapter 7Publication 1771ĆUM006B-EN-P - June 2002Special ProgrammingThe input Status word stores a maximum count of 999 (BCD). Ifusing binary resolut

7–2 Special ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Figure 7.1Ladder Logic for Extending the Count Beyond 999 (PLC-2 Program)01131250577168

7–3Special ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Figure 7.2Ladder Logic for Extending the Count Beyond 999 (PLC-3 Program)RUNG NUMBER RMO

7–4 Special ProgrammingPublication 1771ĆUM006B-EN-P - June 2002Rung Descriptions (Figure 7.2)Rung 0 – This rung strips the upper byte of the count val

Appendix APublication 1794ĆUM006B-EN-P - June 2002SpecificationsSpecifications - 1771ĆIJ and ĆIK Encoder Counter ModulesGeneral Input SpecificationsNu

Using This ManualP–4Publication 1771ĆUM006B-EN-P - June 2002

SpecificationsA–2Publication 1794ĆUM006B-EN-P - June 2002Specifications - 1771ĆIJ and ĆIK Encoder Counter ModulesIndicators 2 Channel A and B status1

Specifications A–3Publication 1794ĆUM006B-EN-P - June 2002Specifications - 1771ĆIJ and ĆIK Encoder Counter ModulesField Wiring Arm WiringSizeInsulatio

SpecificationsA–4Publication 1794ĆUM006B-EN-P - June 2002

Publication 1771-UM006B-EN-P - June 2002Numbers1771-IJ, description, 1-21771-IK, description, 1-2Bbit descriptionoutput word for block transfer, 6-3si

IndexI–2Publication 1771-UM006B-EN-P - June 2002Sscan counter, PLCĆ2, 5-9selectioncable, 3-2encoder/counter, 2-2setting switches, 2-7single transferb

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Other CommentsPLEASE FOLD HEREPLEASE REMOVENO POSTAGE NECESSARY IF MAILED IN THE UNITED STATESBUSINESS REPLY MAILFIRST-CLASS MAIL PERMIT NO. 18235 CLE

Publication 1771-UM006B-EN-P - June 2002Support ServicesAt Allen-Bradley, customer service means experienced representatives at CustomerSupport Center

Publication 1771-UM006B-EN-P - June 2002Supersedes publication 1771-6.5.6 - May 1988 and 1771-6.5.6-RN1 - November 1995PN957678-18Copyright 2002 Ć Roc

Publication 1771-UM006B-EN-P - June 2002Chapter 1General 1-1...General Description 1-1...

Table of Contentstoc-iiPublication 1771-UM006B-EN-P - June 2002Chapter 6General 6-1....Output Words - Block Tra

Chapter 1Publication 1771ĆUM006B-EN-P - June 2002IntroductionThis publication describes installation, adjustments and theprogramming necessary for com