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IC697CPX772 Wiring

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  • IC697CPX772
  • IC697CPX772 Wiring

Product Description

The GE Fanuc IC697CPX772 is a single-slot CPU with real-time control functions over machines and processes.
This module comes with 512 KB of built-in RAM for the storage of user data, including program, configuration, and register data. IC697CPX772 has a non-volatile flash memory of 256 KB and operational memory used to store user data and firmware. 
The operating conditions for the IC697CPX772 module include an enclosure of minimum size without any air flow into the system. The operating temperature of this module is 50 degrees Celsius. The module is subject to derating if the 100Watt DC/AC supply or 90-Watt DC supply is in use.

IC697CPX772 includes seven green LEDs on its front which indicate the status of the CPU: the position of the toggle switch, memory protection, serial port activity, and the state of the program. A three-position switch (RUN/STOP) is used to control its operations. User data is protected using software passwords. A key switch is used to protect it manually. The end user must carefully install the PLC equipment for safe and proper operation. The module should power up and the top left (OK) LED will blink. When diagnostics have successfully finished, the top left LED will remain ON, and the second (RUN) and third (EN) LEDs will be OFF. The fourth (bottom left) LED (MEM PROTECT) is off if the keyswitch is in the OFF position. The CPU is now ready to be programmed. This module does not require any jumpers or DIP switches for its configuration.

Technical Specifications

Module Type: Central Processing Unit
Number of Slots: 1 (Single slot)
Current Required: 3.1 Amps
Number of Points:   2K inputs and outputs (any mix)
Serial Ports: Three (RS-232 and RS-485)
Supports: IC660/IC661 I/O and IC697 I/O



GE Fanuc GE Fanuc Series 90-70

SKU 2172058  UPC 0799705792784

Part Number: IC697CPX772 / ic697cpx772
Mfr/Brand Name: GE Automation
Mfr Number: IC697CPX772 / ic697cpx772
Type: 96 Mhz, 32-Bit Point, 512 Kbyte Memory CPU Module.

Technical Specifications

  • Single slot CPU with three serial ports
  • Provides 512 Kbyte of battery-backed RAM
  • Contains 256K of non-volatile user flash memory
  • Supports BMA in release 7.92 and late
  • Supports floating point calculations
  • 2K inputs and output
Troubleshooting and Product Information for IC697CPX772

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

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Other IC697CPX772

Available Revisions:

1C697CPX772 , GEFIC697CPX772 , CIMIC697CPX772



Battery: Shelf life

Battery:  Memory retention

5 years at 20o C  (68o F)

6 months nominal without applied power.

Current required from 5V bus

3.1  Amps nominal

Operating Temperature

0 to 60oC (32oF to 140oF)

Time of Day Clock accuracy

Elapsed Time Clock (internal timing) accuracy

"    3.5 seconds per day maximum

"    .01% maximum

Serial Ports

Port 1:   RS-232 compatible

Port 2: RS-485 compatible (optocoupler isolated) Port 3:  RS-485 compatible (not isolated)

Programmer Serial Attachment, or other serial devices

Protocols supported: SNP Slave only

VME Compatibility

System designed to support the VME standard C.1

Troubleshooting IC697CPX772

Troubleshooting information is available on IC697CPX772's website page; it also includes a datasheet user-manual and a wiring diagram.

Repair your IC697CPX772

PDF Supply can repair your IC697CPX772 in 3-5 business days. And PDF Supply stands by all of its repairs with a 1 year customer satisfaction warranty.


Load-Store-Verify with IC697CPX772


Cannot Load/Store/Verify with IC697CPX772


The CPX 772 has three independent, on-board serial ports. These ports, accessed by connectors on the front of the module, are used for serial interface to a programming computer or other serial devices.

Starting with Firmware Release 8.00, support for program Load/Store operations and Datagrams was added to Ports 1 and 2. Also, Break-Free SNP was added as the default protocol for Ports 1 and 2 in Firmware Release 8.00.


Series 9070 Bulk Memory


The Bulk Memory Area (BMA) is a contiguous block of memory (up to 4MB) that can be used by logic programs and external devices. BMA is available in the CPX processors, IC697CPX772, IC697CPX782, IC697CPX928 and IC697CPX935 (release 7.80 and later). Before BMA can be used, its size must be set to a value greater than zero in the Settings tab for the CPX processor configuration.


Use SVCREQ function 36 to read from the BMA to a local buffer area in the PLC, write from the local buffer area to the BMA, and retrieve the address of the BMA in the PLC. The only check done by the PLC is verifying that the specified local buffer does not fall outside the minimum and maximum available addresses for the application. The application must provide a valid local buffer area. Otherwise, unexpected results can occur.

Parameter Block Setup

This service request uses an input parameter block that consists of 11 words. The parameter block format determines how the local buffer is specified and is selected by the MSB in the Operation word. The format can be Segment/Offset (MSB cleared) or Address (MSB set).

Service Request Execution

If a requested operation in Service Request 36 fails, the function block will not pass power flow. If the BMA is not configured or if the parameter block contains invalid parameters, a read or write operation will fail. Only invalid input parameters will cause the Get BMA Size operation to fail, in which case the function block will not pass power flow. If a read or write operation is requested and the BMA is unconfigured (that is, has a size of 0 in the PLC), the PLC will log an informational fault.

Read Bulk Memory
Command Block


1 ) Command

1 = read from
2 = write to
3 = get BMA size

2 ) PLC Memory Type

8 = R
0 = L
2 = P

3 & 4 ) PLC Mem offset

DP word PLC memory offset
0 based byte

5 ) Unused


6 ) Bulk memory type

196 = BMA (always 196)

7 & 8 ) BMA offset

DP word BMA memory offset

9 ) Unused


10 & 11 ) Length

byte length of read or write


Customer Questions and Answers

  • Question:  What is an IC697CPX772?  Answer:  The IC697CPX772 is a 96 MHz, 32-Bit Point, 512 Kbyte (slow) Memory Central Processing Unit from the GE Fanuc 90-70 Series. The IC697CPX772 is a single slot PLC CPU. 
  • Question:  Through what is configuration and programming done on IC697CPX772?  Answer:  Configuration and programming for this unit is done through MS-DOS or Windows based programming software. 
  • Question:  When testing IC697CPX772, what should I do?  Answer:  You want to, first, plug it in. Then, make sure it is connected and communicating. 
  • Question:  If it is connected and communicating, what should I do next?  Answer:  You should place the processor into run mode and clear ONLY I/O faults and processor faults. After, click download and run.
  • Question:  If all 3 LEDs are on, what does that mean?  Answer:  It means the processor is, in fact, in run mode.
  • Question:  What do the LEDs stand for?  Answer:  The first LED is the processor, the middle LED is the run mode, and the bottom LED is the I/O enabled.
  • Question:  What do I do with the toggle switch (that is below the LEDs)?  Answer:  This toggle switch can shut off the I/O or put it back into run mode and you should test it to make sure it works. 
  • Question:  What does the key at the top of the processor do?  Answer:  This key is for memory protection. When you turn it on, a LED should light up to let you know your memory protection setting works. 
  • Question:  Are there any other tests I should perform?  Answer:  You should test all the ports to make sure they work. A LED should come on to let you know it is communicating/working. 
  • Question:  If I think there is a problem with my IC697CPX772- What should I do?  Answer:  If you think there is a problem, you should leave it running over night or over a weekend and make sure it stays in run mode. 
  • Question:  If my IC697CPX772 won't stay in run mode- What is my next step?  Answer:  Your IC697CPX772 might need repair

For more information on the IC697CPX772 96MHz, 32-Bit Point, 512 Kbyte (slow) Memory Central Processing Unit of the GE Fanuc 90-70 Series, please see the Datasheet User-Manual.

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