OVERVIEW

Official designation: Allen-Bradley 1203-GD2 (1203 Communication Modules, Serial Communications Module)

Role/Application: An interface module that provides serial communication (RS-232, RS-422, RS-485, DF1, DH485) between a SCANport-compatible device like an AC drive and a programmable controller.

KEY SPECS SUMMARY

Power: 85 to 264 Volts AC, 45 to 63 Hertz

Interfaces / Ports: RS-232, RS-422, RS-485, DF1, DH485

Indicators: LED diagnostics for power and communication status

Operating Temp: 0 degrees C to 50 degrees C

Platform / Compatibility: Bulletin 1336F AC Drive and other SCANport devices

Limit: Baud rates up to 19.2K, 35 milliamps max input

Lifecycle: Discontinued by manufacturer 2015-02-09

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum SCANport load current supported by the 1203-GD2 module?

A: The module is rated to supply a maximum SCANport load of 60 milliamps DC.

Wiring & Installation:

Q: Does the 1203-GD2 communicate using a single communications protocol or multiple?

A: The module supports multiple protocols including RS-232, RS-422, RS-485, DF1, and DH485.

Troubleshooting & Compatibility:

Q: What specific hardware fault can occur if the serial module is disconnected from the drive?

A: Disconnecting the module will cause the connected SCANport drive to generate a serial fault.

Replacement & Upgrades:

Q: Is there an equivalent product that is used for connecting SCANport products to Remote I/O links?

A: The Allen-Bradley 1203-GD1 module is used for Remote I/O links.