GE IC4988A100AA Communication Interface Module

GE IC4988A100AA

Product Overview

GE IC4988A100AA is a high-performance communication interface module designed by General Electric (GE) for industrial automation control systems. It is a key component of the GE Fanuc Series 90-70 PLC series. This module is mainly used to realize high-speed data communication between PLC and upper computers, HMI (Human-Machine Interface) or other intelligent devices, and supports various industrial protocols such as Profibus-DP, Modbus RTU/TCP, etc. IC4988A100AA adopts advanced signal processing technology to ensure stable communication in harsh industrial environments, and is suitable for distributed control systems (DCS) in industries such as electric power, petrochemical, and metallurgy.

Product Parameters

Product Model: IC4988A100AA
Manufacturer: GE
Product Type: Communication interface module
Supported Protocols: Profibus-DP, Modbus RTU/TCP
Communication Rate:
- Profibus-DP: 9.6 Kbps ~ 12 Mbps
- Modbus RTU: 300 ~ 115.2 Kbps
- Modbus TCP: 10/100 Mbps
Interface Type:Working Voltage: 24V DC (powered through the backplane)
- RS-485 (Profibus-DP/Modbus RTU)
- RJ45 (Modbus TCP)
Power Consumption: 5W (maximum)
Operating Temperature: -20°C ~ +70°C
Protection Class: IP20 (must be installed in the control cabinet)
Compatible System: GE Fanuc Series 90-70 PLC
Dimensions: 120mm × 80mm × 40mm (H×W×D)

Structure and Composition

IC4988A100AA adopts a modular design, with a high-strength engineering plastic shell, which has good impact resistance and anti-electromagnetic interference (EMI) capability. The front of the module is equipped with LED status indicators for real-time display of communication status (such as link, data transmission, error alarm, etc.). The internal core components include:

Communication Processor: Responsible for protocol conversion and data packet processing, supporting multi-protocol adaptive switching.
Isolation Circuit: Adopting optocoupler and transformer isolation technology to ensure electrical isolation (1500V AC) of RS-485 and Ethernet ports.
Backplane Interface: Communicates at high speed with PLC CPU (such as IC697CPU782) through the 90-70 series standard backplane connector.
Detachable Terminal Block: Supports RS-485 bus wiring (A/B/GND) and has a built-in terminal resistor jumper for easy on-site configuration.

Main Features and Advantages

Multi-protocol Support: A single module is compatible with Profibus-DP and Modbus RTU/TCP, reducing the complexity of hardware configuration and lowering system costs.
High Reliability: Designed with industrial-grade components, supporting wide temperature operation (-20°C ~ +70°C), suitable for harsh environments.
Plug and Play: Automatically identifies the protocol type without manual jumper settings, and is easily configured through Proficy Machine Edition software.
Diagnostic Function: Built-in communication status monitoring, which can report network abnormalities in real-time (such as disconnection, CRC errors), facilitating quick troubleshooting.

Application Fields

Power Automation: Communicates with SCADA systems to realize remote monitoring of substations (compatible with IEC 61850).
Petrochemical: Connects to DCS systems to collect on-site instrument data (such as flow meters, pressure transmitters).
Intelligent Manufacturing: Integrates MES (Manufacturing Execution System) to realize real-time reporting of equipment status (OPC UA optional).
Water Treatment: Communicates with frequency converters (such as GE AF-650) to optimize pump station control strategies.

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As a seasoned high-tech entity, we specialize in distributing spare parts for large-scale imported systems, encompassing Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Redundant Fault-Tolerant Control Systems, and Robotics Systems. Our portfolio spans spare parts sales and system integration for renowned automation brands, including ABB, Foxboro, Triconex, Bently Nevada, Ovation, Motorola, Xycom, Allen-Bradley, Schneider, GE Fanuc, Yaskawa, Woodward, and more.

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