OVERVIEW

Official designation: Allen-Bradley 1746-NO4V (SLC 500, Analog Output Module)

The 1746-NO4V is an SLC 500 module providing four independent analog output channels that supply a voltage range of -10 to +10 V DC.

KEY SPECS SUMMARY

Power: 5V DC, 200 mA (backplane)

Interfaces / Ports: 20-pin terminal block

Indicators: Four output status LEDs

Operating Temp: 0 to 60 degrees C

Platform / Compatibility: SLC 500 fixed/modular

Limit: -10 to +10 V DC range

Lifecycle: Discontinued

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the primary function and output type of the 1746-NO4V module?

A: It provides four single-ended, non-isolated voltage outputs ranging from -10 V DC to +10 V DC.

Wiring & Installation:

Q: Which terminal block is required for wiring field devices to the analog module?

A: The module requires a removable 20-pin terminal block for field wiring connections.

Troubleshooting & Compatibility:

Q: What should be checked if the output voltage is incorrect or erratic?

A: Check for improper scaling configuration and ensure that the wiring is shielded and grounded correctly.

Replacement & Upgrades:

Q: Is the Allen-Bradley 1746-NO4V module still in active production by the manufacturer?

A: The 1746-NO4V Analog Output Module is currently listed as discontinued by Allen-Bradley.