Series 90-70, Communications Coprocessor Module
Contents
1. i IC697 PLC ONE F e ic U P M METER p c B c U M Ss P T M Loo eae te IC693 PLC D a IC697 PLC RACK 7 IC692 PLC P B Es H R LEGEND o o CPU SELECTED CPU MODEL BRM BUS RECEIVER MODEL BEM711 BTM BUS TRANSMITTER MODEL BEM713 GBC GENIUS BUS CONTROLLER BEM731 CMM COMMUNICATIONS COPROCESSOR MODULE _ 0 TERMINATOR LAST RACK PS POWER SUPPLY PWR710 711 724 748 Figure 2 Typical PLC System Configuration 4 GFK 0370F August 1997 Module Physical Description The CMM moduleisa single slot module that plugs into either the IC697 PLC or I O rack Figure 3 shows the maintenance controls and indicators located on the CMM module a44825 b L CMM 711 XX MODULE OK XX PORT1 XX PORT2 ON OK ACTIVE BLINK COMMUNICATING PUSH TO RESTART 2 APPLICATION o ziJ PORT 1 i Rs 232 OR RS 422 1 COMPATIBLE t _PORT 2 RS 232 OR fi RS 422 COMPATIBLE fo MODULE FUNCTION COMMUNICATIONS COPROCESSOR PORT 1 amp 2 RS 232 PIN SIGNAL 1 SHIELD 2 TD S RD 4 RTS 5 CTS 7 GROUND 8 D amp D 20 DTR PORT 1 amp 2 RS 422 PIN SIGNAL 7 GRO2. An SNP master port on a CMM module can communicate with the SNP slave port built into any 1C69 PLC or with other SNP slave devices Asan SNP slave the CMM module provides additional communications port s for connection to remote operator interface units or other SNP communications devices The MS DOS or Windows based software package may be connected to an SNP slave port on a CMM module for data monitoring only Programming and configuration of IC69x PLCs are not possible through the CMM SNP ports Communications Modules 3 Communications Coprocessor Module CMM GFK 0370EF August 1997 Systems Configuration Figure 2 illustrates typical CMM interface installations in a IC69 PLC system PARALLEL a45299 IC697 PLC RACK 0 PROGRAMMER p lclBlclel le f S P T M M B g U M M M G R ra Di Ic ONE METER IC697 PLC RACK 1 GENERIC PC GENERIC PC A e e N L e Cc H R M MASTER PEER i M k CCM CCM DEVICE 0 DEVICE J J TN i LA T IC697 PLC RACK 6 CENERIC PG NOTE ooo Bic ALL RACKS MUST MASTER RIM BE AT SAME RTU o GROUND POTENTIAL DEVICE o 8 RACKS MAXIMUM o SNP SLAVE DEVICES
3. The CMM provides both the RS 232 and RS 485 Interfaces and communicates with the PLC CPU over the backplane Many CMMs can be placed in a single IC697 PLC system as illustrated by Figure 2 O Nason cts GROUND 8 pep 20 DTR o PORT 1 amp 2 RS 422 PIN SIGNAL 7 GROUND 9 SD A 10 RTS A 12 TERMPIN1T 13 RD A 21 SD 22 RTS B 23 CTS B 24 TERMPIN25 25 RD B CONFIGURATION DEPENDENT eo00000000000 e000000 000000 MODULE IC697CMM711 LABEL 444726758 124R01 E Figure 1 Communications Coprocessor Module MS DOS and Windows are registered trademarks of Microsoft Corporation 2 GFK 0370F August 1997 CCM Functions provided by the CMM module in the CCM mode of operation are read write of register input and output tables PLC memory types R I and Q bit set clearof inputs and outputs I and Q read of scratch pad Q sequence commands for fast reads and the ability to modify the diagnostic status word In the master and peer CCM configurations the CMM module initiates communications with remote devices through application ladder program communications requests COMREQs RTU The RTU mode of operation is a query response protocol used for communicating between the CMM and a host computer The host computer is the master device and transmits the query to the RTU slave which responds to the
4. Communications Modules IC697CMM 711 GFK 0370F Communications Coprocessor Module CMM August 1997 Features 244823 Single Slot Module e SNP SNEPX Protocol master slave O O CCM Protocol master slave peer mk 2 RTU Modbus Protocol slave only PORT 2 Supports connection to MS DOS or Windows eo and configuration software package A onitor only 12 Mhz 80C186 Microprocessor COMMUNICATIONS 1 ee COPROCESSOR X MODULE OK Two RS 422 RS 485 or RS 232 Serial Ports Spal CCM RTUandSNP SNP X Available on Either or t OnE OF MOTE Both Ports Q COMMUNICATING Simultaneous Communications on Both Ports ge o pericanion up to 9 6 Kbps or 19 2 Kbps individually 22 Bae e High Performance Access to PLC Memory e EL eee e Three Status LEDs e co ea Reset pushbutton S a Soft Switch Configuration no switches or jumpers i Tozon No Battery Required H Functions conor The Communications Coprocessor Module CMM is a een TD RD RTS member of a family of communication modules and provides both communications control CCM remote terminal RTU and general IC69 communications SNP functionality CCM RTU and SNP are available on either or both serial ports in any of nine possible configurations CCM CCM CCM RTU RTU CCM RTU RU SNP SNPSNP CCM CCM SNPSNP RTU and RTU SNP
5. UND 9 SD A 10 RTS A CTS A 12 TERM PIN 11 RD A 24 TERM PIN 25 RD B CONFIGURATION DEPENDENT MODULE IC697CMM711 LABEL 44A726758 124R01 CMM 711 Figure 3 CMM Module User Details Communications Modules Communications Coprocessor Module CMM User Maintenance Items The CMM module has the following user accessible elements Three LEDs located at the top of the module Restart Pushbutton located immediately beneath the LEDs Two Serial Ports two 25 pin female connectors pro vide RS 232 and RS 422 RS 485 communication Installation Installation should not be attempted without referring to the Installation Manual See Related Publications listed on page 6 Make sure rack power is OFF before attempting to install module Install module in the rack see Figure 2 Turn ON power The CMM is configurable only using the MS DOS or Windows programming software package Status Indication Three Status LEDs are available as shown in Figure 3 The top LED indicates the condition of the module The bottom two LEDs indicate activity at the serial ports Port 1 LED indicates activity on port 1 Port 2 LED indicates activity on port 2 The module should power up and blink the top LED When the diagnostics have completed successfully the top LED stays on PushbuttonControl One pushbutton is provided Push to reinitialize communi
6. cations at both serial ports Serial Ports Both ports are RS 232 and RS 422 RS 485 compatible Both ports acting simultaneously can each provide up to 9 6 Kbps of full duplex data communications or up to 19 2 Kbps individually Communications Modules Communications Coprocessor Module CMM Port 1 3PL and Port 2 4PL Connectors 3PL and 4PL contain signals for both RS 232 and RS 422 RS 485 types of communication circuits The pin assignment for the RS 232 signals are per the RS 232 specification with an exception that pins not normally used for RS 232 are used for RS 422 RS 485 signals Refer to Tables 1 and 2 Table 1 Port 1 or 2 RS 232 Signal Pin Function Name I O 1 Shield 5 2 Transmitted Data TD Output 3 Received Data RD Input 4 Request To Send RTS Output 5 Clear To Send CTS Input 7 SignalGround OV 8 Data Carrier Detect DCD Input 20 Data TerminalReady DTR Output 5 GFK 0370F August 1997 Table 2 Port 1 or 2 RS 422 RS 485 Signal Pin Function Name I O 9 Send Data A SD A Output 10 Request To Send A RTS A Output 11 Clear To Send A CTS A Input 12 Termination for pin 11 13 Receive Data A RD A Input 21 Send Data B SD B Output 22 Request To Send B RTS B Output 23 Clear To Send B CTS B Input 24 Termination for pin 25 Z 25 Receive Data B RD B Input Configuration There are no user DIP switches or jumpers o
7. master In RTU mode only slave configuration is available In the RTU slave protocol the following functions are provided read input and output tables I and Q read analog input AI read register table R read scratchpad read exception status force a single or multiple output s Q preset a single or multiple register s YR report the device type and perform loopback maintenance Communications Modules Communications Coprocessor Module CMM SNP SNP X SNP is the native protocol of all IC69 PLCs SNP is a master slave protocol where the slave device responds to requests from the master AnSNP slave device is built into every IC69 PLC Each serial port on the CMM can be configured to provide SNP master or slave capability The SNP protocol on the CMM module provides read and write access to PLC memory types R I Q AI AQ T M P L and G full Series 90 Datagram support and many status and control functions An Autodial feature is also provided to control a modem attached to an SNP master port The SNP X extensions to SNP provide easy to use high performance read and write access to PLC memory types R l Q AI AQ T M and G SNP X is especially useful for simple high speed data acquisition and control in multidrop configurations As an SNP master the CMM module initiates communications with remote devices through application ladder programs communication requests COMREQS
8. n this board for configuration However the board must be configured before operation using the MS DOS or Windows software package Refer to the Related Publications listed on page 6 6 Communications Modules GFK 0370F Communications Coprocessor Module CMM August 1997 Table 3 Related Publications Reference Title ProgrammingSoftware User s Manual ProgrammableController Reference Manual ProgrammableControllerInstallationManual PLC Serial Communications User s Manual Using the Windows Programmer GFK 1295 oF WN FR Table 4 Module Specifications Serial Ports RS 232 and RS 422 RS 485 compatible Current Required from 5V backplane bus 0 7amps VME System designed to support the VME standard C 1 Refer to GFK 0867B or later for product standards and general specifications Forinstallations requiring compliance to more stringent requirements for example European Union refer to Installation requirements for Conformance to Standards Table 5 Ordering Information Description Catalog Number Communications Coprocessor Module CMM IC697CMM711 Note For Conformal Coat option or Low Temperature Testing option please consult the factory for price and availability
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