OVERVIEW

Official designation: Allen-Bradley 1746-OB32E (SLC 500, Digital DC Output Module)

The 1746-OB32E is a high-density, 32-point 24V DC digital output module for SLC 500 systems. It features electronic short-circuit protection and output grouping, allowing flexible control of field devices in fixed or modular chassis.

KEY SPECS SUMMARY

Power: 5V DC @ 210 mA

Interfaces / Ports: One 40-pin connector

Indicators: 32 status LEDs

Operating Temp: 0 to 60 degrees C

Platform / Compatibility: SLC 500, 1746 chassis

Limit: 32 outputs (2 groups of 16)

Lifecycle: Active

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the primary method of protection employed for the 32 output channels on the 1746-OB32E?

A: The outputs feature electronic short-circuit protection and thermal protection.

Wiring & Installation:

Q: How much current does the 1746-OB32E draw from the SLC 500 backplane at 5V DC?

A: The module draws a maximum of 210 mA from the 5V DC backplane.

Troubleshooting & Compatibility:

Q: What does it signify if the status LED for a specific output channel on the 1746-OB32E is illuminated?

A: The illuminated LED indicates that the corresponding 24V DC output channel is currently active (ON).

Replacement & Upgrades:

Q: Which type of output cable assembly and terminal block is compatible with the 40-pin connector on the 1746-OB32E?

A: Refer to the latest manufacturer manual for compatible pre-wired cable and terminal block specifications.