OVERVIEW

Official designation: Allen-Bradley 1203-SG2 (1203 Communication Modules, SCANport Expander Module)

Role/Application: A module that expands one SCANport master connection to two SCANport ports, allowing multiple devices like PowerFlex drives or human interface modules to communicate efficiently in a modular system.

KEY SPECS SUMMARY

Power: Supplied by connected drive or control system

Interfaces / Ports: One input, two output SCANport ports

Indicators: LED diagnostics for module and network status

Operating Temp: 0 degrees C to 55 degrees C

Platform / Compatibility: PowerFlex 4, 40, 400, 700, 700S drives

Limit: One 3-meter cable (1202-C30) included

Lifecycle: Current Product or Discontinued (varies by revision)

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the primary function of the 1203-SG2 in a drive network application?

A: It acts as a SCANport expander, allowing a single master to communicate with up to two subordinate devices.

Wiring & Installation:

Q: What are the enclosure type and typical mounting method for the SCANport expander?

A: The module has an IP30 (NEMA Type 1) enclosure and is designed for DIN rail mounting.

Troubleshooting & Compatibility:

Q: How does the module help maintain communication integrity over extended distances?

A: The 1203-SG2 provides signal isolation and boosting to help prevent signal degradation in long cable runs.

Replacement & Upgrades:

Q: What is a closely related Allen-Bradley product that offers more expansion capability?

A: The 1203-SG4 is a similar SCANport expander module that provides one input to four output ports.