IC693CMM311N GE Fanuc Series 90-30 Dual-Serial Coprocessor Module

IC693CMM311N GE Fanuc Series 90-30 Dual-Serial Communications Coprocessor Module

Communication Specifications

• Brand: GE Fanuc.
• Model: IC693CMM311N, N revision.
• Category: Dual-serial communications coprocessor module, Series 90-30.
• Serial ports: two independent ports.
• Port 1: RS-232 only.
• Port 2: RS-232, RS-422, or RS-485, selectable.
• Protocols: CCM, Modbus RTU, SNP, and SNP-X.
• Baud rates: 300 to 19200 bps.
• Processor: Intel 80C186-based coprocessor.

Electrical and Environmental Ratings

• Backplane current: 400 mA at 5 VDC.
• Operating temperature: 0 to +60°C ambient.
• Storage temperature: −40 to +85°C.
• Humidity: 5 to 95% relative, non-condensing.
• Protection rating: IP20, for clean indoor cabinets.
• Noise immunity: RS-422 and RS-485 differential signaling resists electrical noise on long cable runs.

Physical Data and Mounting Guide

• Dimensions: not available; supplier data lists packaging size rather than module size.
• Weight: about 0.53 kg, supplier-reported.
• Cut rack power before you insert or remove the coprocessor.
• Seat the module in one free Series 90-30 I/O slot and tighten both screws.
• Wire Port 1 for RS-232 links to local devices such as operator panels.
• Choose RS-422 or RS-485 on Port 2 when you need long multidrop runs.
• Match baud rate, parity, and protocol settings on both ends of each link.
• Power up and confirm communications with a short polling test on each port.

Package List

• One IC693CMM311N communications coprocessor module.
• Protective factory packaging.
• Shipping by FedEx, UPS, or DHL, chosen to fit your delivery address.

Lifecycle Note

• Emerson lists this module as legacy/obsolete in aftermarket channels.
• An official Emerson EOS date is not verified; our data was last checked in 2026-09.
• Ask our team about current stock and available revisions before ordering.

FAQ

• Does the IC693CMM311N module ship new and original? Yes, we supply new original units, and stock is available now.
• How fast do you dispatch? We ship within 5 days, using DHL, FedEx, or UPS.
• Can I return the module? Yes, we accept returns within 30 days.
• How many serial ports does it provide? It provides two independent serial ports.
• Which protocol does Port 1 support? Port 1 runs RS-232 only.
• Can Port 2 run RS-485? Yes, Port 2 supports RS-232, RS-422, or RS-485.
• Which protocols does the module speak? It supports CCM, Modbus RTU, SNP, and SNP-X.
• What baud rate range does it cover? Baud rates run from 300 to 19200 bps.
• How much backplane current does it draw? It draws 400 mA at 5 VDC.
• What is the protection rating? The housing carries an IP20 rating for indoor cabinets.

Contact Information Inquiries: sales@nex-auto.com or +86 153 9242 9628 for stock and pricing.

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