



Introduction
The ABB 07MK92 GJR5253300R1161 is a communication module designed for ABB PLC and DCS automation systems. It provides serial interface capability (RS‑232, RS‑422, RS‑485) and acts as a communication gateway between controllers and external devices. This module enables flexible connectivity, protocol bridging, and reliable data exchange in industrial automation networks, making it ideal for system expansion, legacy integration, or adding serial interfaces without replacing the main controller.
Technical Specifications
| Specification | Description |
|---|---|
| Module Type | Communication module (serial interface) |
| Function | Handles serial communication between controller and external devices; protocol bridging |
| Power Input | 24 V DC nominal |
| Supported Protocols | Configurable serial protocols depending on system setup |
| Interface | ABB system bus + serial communication ports |
| Operating Environment | Industrial grade; typical –20 °C to +60 °C |
| Electrical Isolation | Yes — protects against signal noise and maintains integrity |
| Dimensions | 127 × 127 × 127 mm (H x W x D) |
| Weight | Approx. 0.40 kg |
| Mounting Style | Rack or system backplane module slot |
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