1746-OW16 | Allen Bradley | SLC 500 Series | 16-Point Relay Output Module

Product Description

The 1746-OW16 digital output module from Allen Bradley’s SLC 500 series is a relay-based contact output unit designed for flexible AC and DC control applications. With 16 outputs arranged in two groups of eight, it provides reliable switching for resistive and inductive loads across a wide voltage range. Its robust design ensures dependable performance in industrial automation systems.

Technical Specifications

• Manufacturer: Allen Bradley

• Product Line: SLC 500

• Part Number: 1746-OW16

• Category: PLCs

• Module Type: Digital Relay Output Module

• Outputs: 16 points, divided into 2 groups of 8

• Output Type: Normally Open (N.O.) relay contacts

• Operating Voltage Range:

• AC: 5–265 V

• DC: 5–125 V

• Current per Output:

• 120 VAC: 1.5 A

• 24 VDC: 1.2 A

• Step Response: 60 ms input, 2.5 ms output

• Signal Delay (max resistive load): On = 10 ms, Off = 10 ms

• Backplane Current Draw: 170–180 mA

• Weight: 1.00 lbs (0.45 kg)

Key Features

• 16 relay outputs for AC/DC control flexibility.

• Two output groups for simplified wiring and load distribution.

• Wide operating voltage range suitable for mixed applications.

• Fast response times for reliable switching.

• Compatible with Allen Bradley SLC 500 chassis.

Application Scenarios

• Industrial machinery requiring relay-based control.

• Mixed AC/DC load switching in automation systems.

• Legacy SLC 500 installations needing expansion with relay outputs.

FAQ

Q: What type of outputs does the 1746-OW16 provide?   A: It provides 16 normally open relay contact outputs.

Q: Can the module handle both AC and DC loads?  A: Yes, it supports AC voltages up to 265 V and DC voltages up to 125 V.

Q: How does this compare to the 1746-OB16 module?  A: The 1746-OW16 uses relay contacts for AC/DC loads, while the 1746-OB16 is a transistor-based DC output module.