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IC693CMM311

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IC693CMM311
IC693CMM311 Wiring

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  • IC693CMM311
  • IC693CMM311 Wiring

Product Description


The GE Fanuc IC693CMM311 is a Communications Coprocessor Module. This component provides a high performance coprocessor for all Series 90-30 modular CPUs. It cannot be used with embedded CPUs. This covers models 311, 313, or 323. This module supports GE Fanuc CCM communications protocol, the SNP protocol and the RTU (Modbus) slave communications protocol. It is possible to configure the module using the configuration software. Alternatively, users can opt for a default setup. It has two serial ports. Port 1 supports RS-232 applications while Port 2 supports either RS-232 or RS-485 applications. Both ports are wired to the module’s single connector. For this reason, the module has been supplied with a wye cable (IC693CBL305) in order to separate the two ports to make wiring easier.

It’s possible to use up to 4 Communications Coprocessor Modules in a system that has a CPU of 331 or above. This can only be done via the CPU baseplate. In versions before 4.0, this module presents a special case when both ports are configured as SNP slave devices. The ID value –1 in a Cancel Datagram request received at either slave device will end up cancelling all established Datagrams on both slave devices within the same CMM. This is different to a CMM711 module, which has no interaction between datagrams established on the serial ports. Version 4.0 of the IC693CMM311, which was released in July 1996, solved the issue. Older versions of the module that have this problem please contact us for repairs.

Technical Specifications


Module Type: Communications Co-Processor
 Communication Protocols:     GE Fanuc CCM, RTU (Modbus), SNP
 Internal Power: 400 mA @ 5 VDC
Comm. Ports:  
Port 1: Supports RS-232
Port 2: Supports either RS-232 or RS-485

 

GE Intelligent Platforms / GE Fanuc GE Series 90-30

SKU 2175056  UPC 0307678148257

Part Number: IC693CMM311 / ic693cmm311
Mfr/Brand Name: GE Automation
Mfr Number: IC693CMM311 / ic693cmm311
Type: Communications Co-processor Module.

Technical Specifications

  • High Performance
  • RTU
  • SNP protocol
  • Two Serial Ports
  • Port 1 Supports RS-232
  • Port 2 Supports Either RS-232 or RS-485
Troubleshooting and Product Information for IC693CMM311

Download product information, troubleshooting guides and operation manuals to get your PLC operational.

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Other IC693CMM311

Available Revisions:

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1C693CMM311 , GEFIC693CMM311 , CIMIC693CMM311

 

 

Except for the serial port connectors, the user interfaces for the CMM311 and CMM711 are the same. The Series 90-70 CMM711 has two serial port connectors. The Series 90-30 CMM311  has a single serial port connector supporting two ports. Each of the user interfaces are dis-  cussed below in detail.


The three LED indicators, as shown in the figures above, are located along the top front edge  of the CMM board.

 

Module OK LED

The MODULE OK LED indicates the current status of the CMM board.  It has three states:

Off: When the LED is off, the CMM is not functioning. This is the result of a hardware mal- function (that is, the diagnostic checks detect a failure, the CMM fails, or the PLC is not pres- ent).   Corrective action is required in order to get the CMM functioning  again.

On: When the LED is steady on, the CMM is functioning  properly.  Normally, this LED  should always be on, indicating that the diagnostic tests were successfully completed and the configuration data for   the module is good.

Flashing:  The LED flashes during power-up   diagnostics.

 

Serial Port LEDs

The remaining two LED indicators, PORT1 and PORT2 (US1 and US2 for the Series 90-30  CMM311) blink to indicate activity on the two serial ports. PORT1 (US1) blinks when port 1 either sends or receives data; PORT2 (US2) blinks when port 2 either sends or receives data.

 

 

Serial Ports


If the Restart/Reset pushbutton is pressed when the MODULE OK LED is on, the CMM will be re-initialized from the Soft Switch Data settings.

If the MODULE OK LED is off (hardware malfunction), the Restart/Reset pushbutton is inop- erative; power must be cycled to the entire PLC for CMM operation to resume.

 

 

The serial ports on the CMM are used to communicate with external devices. The Series 90-70 CMM (CMM711) has two serial ports, with a connector for each port. The Series 90-30 CMM (CMM311) has two serial ports, but only one connector.  The serial ports and connectors for  each PLC are discussed below.

 

Serial Ports for the IC693CMM311

The Series 90-30 CMM has a single serial connector which supports two ports. Port 1 applica- tions must use the RS-232 interface.   Port 2 applications can select either the RS-232   or

RS-485 interface.

 

NOTE

When using the RS-485 mode, the CMM can be connected to RS-422 devices as well as RS-485 devices.


 

The RS-485 signals for port 2 and the RS-232 signals for port 1 are assigned to the standard connector pins.   The RS-232 signals for port 2 are assigned to normally unused connector  pins.

 

IC693CBL305 Wye Cable

A Wye cable (IC693CBL305) is supplied with each Series 90-30 CMM and PCM module. The purpose of the Wye cable is to separate the two ports from a single physical connector (that is, the cable separates out the signals). In addition, the Wye cable makes cables used with the Se- ries 90-70 CMM fully compatible with the Series 90-30 CMM and PCM modules.

The IC693CBL305 Wye cable is 1 foot in length and has a right angle connector on the end that connects to the serial port on the CMM module.  The other end of the cable has dual connec-  tors; one connector is labeled PORT 1, the other connector is labeled PORT 2 (see figure be- low).

The IC693CBL305 Wye cable routes the Port 2, RS-232 signals to the RS-232 designated pins.  If you do not use the Wye cable, you will need to make a special cable to connect RS-232 de- vices to Port 2.

 

Troubleshooting IC693CMM311

Troubleshooting information is available on IC693CMM311’s website page; it also includes a datasheet user-manual and a wiring diagram.  

 

Repair your IC693CMM311

PDF Supply can repair your IC693CMM311 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.

 

Programmer Connection Through The Communications Coprocessor Module IC693CMM311

Description

Programmer Connection Through The Communications Coprocessor Module IC693CMM311

Resolution

Change the CMM config to SNP (RS-232 is needed), and run the programming software through the CMM using either the IC690CBL702 (9-pin AT). The best way to connect would be through Port 1 of the CBL305 (wye cable for the CMM). Due to firmware limitations this will give you Level 2 access only? Write to any data memory, except overriding discrete I/O. The PLC can be started or stopped. PLC and I/O fault tables can be cleared. Cbl702 pinout is:

9 pin 25pin1->4-------82-----------23-----------37-----------58-----------205-----------7------------1 shield

 

Programming Functions Through CMM Serial Ports

Description

Programming functions are not available on Communications Co-processor ports (IC693CMM311, and IC697CMM711) as per GFK-0307F.

Resolution

As an SNP slave, 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 IC69* PLCs are not possible through the CMM SNP ports.

 

Customer Questions and Answers


  • Question:  What is an IC693CMM311?  Answer:  The IC693CMM311 is a Communications Co-Processor module. It is a high-performance microcomputer designed to perform communications functions in a Series 90 PLC system. It includes a high-performance, co-processor for the 90-30 modular CPU's. The device supports the following protocols: GE Fanuc CCM communications, RTU (Modbus) communications, and SNP. 
  • Question:  How many IC693CMM311 will fit into a main rack?  Answer:  Each IC693CMM311 occupies a single slot in a Series 90 PLC rack. So, in Series 90-30 PLCs, up to 4 IC693CMM311s may be installed in the main rack (the baseplate).
  • Question:  Where should the IC693CM311 reside in the baseplate?  Answer:  For Series 90-30 PLCs, the CMM's must reside in the CPU rack (baseplate). There is a slot for the power supply and slot 1 is reserved for the CPU module. The CMM can reside in any other slot. There are NO Bus Expansion Modules as there are for the Series 90-70 PLCs.
  • Question:  What 3 states does the module's OK LED have?  Answer:  The first state is off, meaning that the IC693CMM311 is not functioning. This is the result of a hardware malfunction and corrective action is required to get the module working again. The second state is on, meaning the IC693CMM311 is functioning properly. Normally, this LED should always be on, indicating that the diagnostic tests were successfully completed and the configuration data for the module is good. The third and final state is flashing; the LED flashes during power-up diagnostics.
  • Question:  What will I need when I am in the process of installation and configuration of the IC693CMM311?  Answer:  For a complete list of what you will need, please refer to our datasheet user-manual (page 2-7).
  • Question:  How do I know IC693CMM311, upon testing, is working correctly? Answer:  You will get an immediate response that says "reply from" followed by the address you have selected.
  • Question:  Troubleshooting continued.  Answer:  If you plug the IC693CMM311 module of the GE 90-30 Series in and you do not get a green OK LED light, then your device could be faulty. 
  • Question:  If IC693CMM311 is not responding or the OK light is not on, what is my next step? Answer:  If IC693CMM311 is not responding or the OK light is not on, your IC693CMM311 might need repair. 

 

For more information on the IC693CMM311 Module of the GE 90-30 Series, please see the Datasheet Manual. 

 

Product History

Rel.

Ver.

Date

IPI

Upgrade Kit

New Features

Problems Resolved

N

4.2

May-98

GFK-0561t

 

  • Demko Agency approval

 

M

4.2

Sep-97

GFK-0561s

 

 

  • An incoming RTU fram could be terminated prematurely
  • CPU run status was incorrect in CCM Scratch Pad Memory

L

4.0

Jul-96

GFK-0561r

 

  • Support for Host Communications Toolkit Multisession Control
  • Change SNP ID COMREQ is No Longer Restricted
  • A COMREQ to an SNP Slave port may hang up and not complete

K

3.8

Feb-96

GFK-0561q

 

 

  • In communication intensive PLCs, the CMM may not respond correctly to RTU Report Device Type requests
  • Depending on the passwords set in the CPU, the CMM may incorrectly obtain a password level greater than 2

J

3.6

Jun-95

GFK-0561p

 

 

  • CE Mark approval

 

H

3.6

Jan-95

GFK-0561n

 

 

  • SNP-X write access to the Series 90 %SA, %SB, and %SC reference tables is now permitted
  • Receiving an unexpected Long Break while processing an SNP request no longer causes CMM module to hang
  • Sending data at 300 or 600bps may fail with "serial timeout error"
  • RTU frame termination now correctly detected (now supports 2-wire comm.)

G

3.4

Feb-94

GFK-0561m

 

  • UL Class I Div 2 approval

 

F

3.4

Oct-93

GFK-0561l

 

  • SNP-X Protocol support added
  • "Read Q-Response to Source Register" CCM COMREQ added
  • Special 2-wire CCM RS-485 operation added
  • Programmable receiver-enable delay added for CCM 2-wire operation
  • Invalid point formats in SNP datagram may result in PLC failure
  • An SNP datagram is limited to 250 bytes
  • Establish Datagram COMREQ must specify correct slave PLC type
  • Incorrect Autodial error code
  • SNP Read or Write incorrect for bit data
  • Large Modem Turn-around Time causes Inactivity Timeout at SNP slave
  • SNP COMREQ delayed for 20 sec
  • Excessive SNP retries with certain modems
  • SNP slave may reject "Change PrivLevel" SNP service
  • SNP timeout after "Set PLC Date/Time" COMREQ
  • SNP Break, T4 times not adjusted by Long Attach COMREQ
  • Partial CCM Q/N ENQuiry
  • CMM version cleared in CCM DSW
  • CCM slave hang up
  • PLC reference table access by CCM
  • Multidrop CCM ENQuiry retransmission
  • CCM Target ID check incompatible with earlier versions
  • CCM COMREQ fails with %AI or %AQ Status Word
  • CCM slave may begin to EOT all incoming headers
  • PLC reference table access by RTU

 

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