OVERVIEW

Official designation: GE Fanuc IC693BEM320 (Series 90-30, I/O Link Module)

Role/Application: A serial interface module that enables distributed control by connecting up to 64 remote I/O points across two RS-485 or RS-422 ports, integrating Series 90-30 PLCs with remote I/O.

KEY SPECS SUMMARY

Power: 5 VDC, 150 mA (varies by revision)

Interfaces / Ports: Two serial ports (RS-485/RS-422)

Indicators: Two LEDs: OK and RDY

Operating Temp: 0 degrees C to 60 degrees C

Platform / Compatibility: Universal Backplane, Series 90-30 and 90-70

Limit: 115.2 Kbaud maximum rate

Lifecycle: Discontinued/Obsolete

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum number of remote I/O points supported by one IC693BEM320 module?

A: The module supports 32 or 64 I/O points, which is selected via internal module jumpers.

Wiring & Installation:

Q: What is the maximum distance for the serial communications link connection on the IC693BEM320?

A: Maximum cable length for the I/O link is 7500 feet (2286 meters), depending on the cable and baud rate used.

Troubleshooting & Compatibility:

Q: What do the OK and RDY LED indicators on the module front panel indicate?

A: The OK LED indicates that the module's internal diagnostics are acceptable, and RDY indicates the module is ready to communicate.

Replacement & Upgrades:

Q: Can the IC693BEM320 module communicate with GE Fanuc PLCs outside of the Series 90-30?

A: Yes, the module is compatible and can link with GE Fanuc Series 90-70 PLCs.