OVERVIEW

Official designation: Allen-Bradley 1203-SM1 (1203 Communication Modules, SCANport to SLC Communications Module)

Role/Application: An interface module that connects a SLC processor or other SLC rack controller to a maximum of three SCANport-compatible devices for control and data exchange.

KEY SPECS SUMMARY

Power: 300 mA at 5V, 60 mA at 12V

Interfaces / Ports: SLC backplane, SCANport

Indicators: Refer to the latest manufacturer manual.

Operating Temp: 0 degrees C to 60 degrees C

Platform / Compatibility: SLC 500 system racks

Limit: Total I/O for module is 32 words

Lifecycle: Discontinued by manufacturer

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum number of SCANport devices that the 1203-SM1 can interface with?

A: The 1203-SM1 communication module supports connection to a maximum of three SCANport devices.

Wiring & Installation:

Q: What is the minimum depth required for the enclosure housing an SLC rack that uses the 1203-SM1 module?

A: The enclosure depth must be at least 200 millimeters (8 inches) for proper installation clearance.

Troubleshooting & Compatibility:

Q: What is the maximum load supported by the module based on Allen-Bradley shock and vibration ratings?

A: The module is rated Category I for shock and vibration, supporting loads less than 9 kilograms (20 pounds).

Replacement & Upgrades:

Q: What are the logic command capabilities of the 1203-SM1 communications module in enhanced mode?

A: The 1203-SM1 supports 16-bit logic command, logic status, and logic reference in enhanced mode.