GE Fanuc IC600CB536 / IC600CB537 Series Six CCM2 and CCM3
Two Series Six communications boards sharing hardware fundamentals but supporting different protocol generations.
Product Overview
GE Fanuc IC600CB536 and IC600CB537 are the Series Six CCM2 and CCM3 dual-port communications boards used to exchange data between the CPU and computers or other intelligent devices.
CCM2 and CCM3 each provide two communications ports, two switches, four status LEDs and a serial interface between the Series Six CPU and intelligent external devices.
IC600CB536: CCM2 protocol/function generation.
IC600CB537: CCM3 adds capabilities including Quick Access Buffer and expanded memory support; protocol role must match the application.
Technical Specifications
| Brand | GE Fanuc |
|---|---|
| Model | IC600CB536 / IC600CB537 |
| Product Type | Communication Control Modules |
| Country | United States |
| IC600CB536 | CCM2 |
| IC600CB537 | CCM3 |
| Ports | 2 |
| Indicators | 4 LEDs |
| Board size | 208 × 280 mm |
| Faceplate | 317 × 30 mm |
| Electrical interfaces | RS-232C, RS-422 or 20 mA |
| J1 connector | 25-pin female |
| J2 connector | 9-pin female |
| Switches | Two |
| Power load | 17 units on +5 V; 4 units on each ±12 V rail |
Communication Features
IC600CB536 CCM2 and IC600CB537 CCM3 each expose two independently configured serial ports and four status indicators on the Series Six faceplate.
The CCM3 generation adds protocol and buffering capabilities beyond CCM2, including the Quick Access Buffer function documented for CCM3 applications.
Each communications module can assign a different role to its two faceplate ports, so protocol, electrical interface and CPU-reference configuration must be considered together.
Port Layout and Interfaces
J1 is the 25-pin female connector and J2 is the 9-pin female connector. The documented port hardware supports RS-232C and RS-422 assignments, with CCM hardware also supporting the specified 20 mA interface context.
Both boards use two switches and four LEDs, but their protocol configuration and CPU data references must match the exact CCM generation.
The J1 and J2 pin assignments include RS-232 and RS-422 signals, grounds and reserved positions; unused pins marked by the manual are not field connection points.
IC600CB536 / IC600CB537 FAQ
What hardware do CCM2 and CCM3 share for IC600CB536 / IC600CB537?
Both have two ports, two switches and four status LEDs and use the same documented board and faceplate dimensions.
Are IC600CB536 and IC600CB537 automatically interchangeable?
No. Protocol support, operating role, software and connected-device requirements must be checked.
What are the documented power loads for IC600CB536 / IC600CB537?
Each is listed at 17 units on +5 V and four units on each ±12 V rail.
What should be recorded per port for IC600CB536 / IC600CB537?
Capture cable, electrical interface, baud/format, peer address and protocol role.
What is a complete acceptance test for IC600CB536 / IC600CB537?
Verify LEDs, local diagnostics, both ports, commanded data transfers and CPU application responses.
How should both ports be accepted on IC600CB536 / IC600CB537?
Test each port with its configured electrical interface and protocol role, then confirm the CPU receives the expected data without timeout or board faults.
Serial interface support
Communication-board enquiries capture interface type, connected equipment and operating role before commercial follow-up.
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