GE Fanuc IC693PCM311 Serial Communications Modules GE Fanuc Series 90-30

Product Overview

The GE Fanuc IC693PCM311 serves as the primary IC693PCM311 Programmable Coprocessor Module utilized to execute complex communication tasks and data processing sequences across Series 90-30 platforms. Operating independently of the primary controller central processing unit cycle, the card interprets custom script logic, manages real-time serial protocol decoding, and shifts structured data blocks across the parallel backplane bus interfaces.

Hardware Specifications

Industrial Control & Firmware Flash Compatibility

The coprocessor architecture employs dedicated local memory arrays to maximize backplane bus communication velocity indexes without injecting interrupt latencies into the primary baseplate processing tasks. Hardware settings and script maps are stored inside non-volatile memory chips engineered to uphold full firmware flash compatibility through standard system update cycles. This detached processing layer scales efficiently alongside dynamic system variables, keeping high-speed serial translations completely synchronized when routing system parameters out through Profinet / EtherNet/IP deterministic networks.

Frequently Asked Questions

Q: How is the physical execution of custom scripts managed inside the IC693PCM311 module without loading the main PLC CPU?

A: The module contains an on-board 16 MHz Intel 80C188 microprocessor and an independent runtime execution kernel. It runs its compiled MegaBasic or CCM program tasks locally, drawing power from the backplane but using zero instruction cycles from the main controller.

Q: Can both serial communication ports on the IC693PCM311 be used concurrently for different network protocols?

A: Yes. Port 1 (RS-232) and Port 2 (RS-485) function as completely discrete hardware channels. They can be programmed with different baud rates, parity options, and operational protocols to interface with distinct field devices simultaneously.

Field Installation Guidelines

• Chassis Pin Alignment: Disconnect all primary incoming power to the Series 90-30 baseplate prior to installation. Align the module rear board connector with the chosen chassis slot and press straight down until the faceplate latch hooks lock the module onto the rail.
• Serial Cable Shield Grounding: Terminate the braided copper outer shields of all external serial communication cables directly to the common enclosure earth terminal block. Do not connect the shield line to the module faceplate screws to avoid injecting electrical transients.
• Port 2 Bias and Termination Constraints: When operating Port 2 in a multi-drop RS-485 architecture across long physical lines, ensure external line-matching 120 Ohm termination resistors are wired across the terminal legs to suppress line reflection anomalies.
• Conductor Routing Methods: Track low-voltage communication paths within separate, isolated wire trays away from three-phase industrial AC lines or induction switching devices to minimize cross-talk interference.