Allen-Bradley 1746-OA16 - User Manual

Publication 1746-IN005A-US-P
Discrete I/O Modules
(Catalog Number 1746 Series)
Installation Instructions
Input Module Catalog Numbers:
1746-IA4, -IA8, -IA16, -IB8, -IB16, -IC16, -IG16, -IH16, -IM4,
-IM8, -IM16,
-IN16, -ITB16, -ITV16, -IV8, -IV16
Output Module Catalog Numbers:
1746-OA8, -OA16, -OAP12, -OB8, -OB6EI, -OB16, -OB16E,
-OBP8,
-OBP16, -OG16, -OV8, -OV16, -OVP16, -OW4, -OW8, -
OW16, -OX8
Combination Input/Output Module Catalog Numbers:
1746-IO4, -IO8, -IO12, -IO12DC
Allen-Bradley Spares

Allen-Bradley 1746-OA16 Specifications

General

Number of Outputs	16
Backplane Current	150 mA at 5V DC
Output Current	0.5 A per output
Current, Max Output	0.5 A per output
Current Rating	0.5 A per output
Temperature Range	0…60 °C (32…140 °F)
Operating Temperature	0…60 °C (32…140 °F)
Storage Temperature	-40…85 °C (-40…185 °F)
Relative Humidity	5…95% noncondensing
Compatibility	SLC 500 Series

Summary

Important User Information

Installation

Heat Dissipation

Input Module Specifications

AC Input Modules

Specifications for AC input modules like IA and IM series.

DC Sinking Input Modules

Specifications for DC sinking input modules like IB, ITB, IC.

DC Sourcing Input Modules

Specifications for DC sourcing input modules like IV, ITV.

TTL & ACDC Input Modules

Specifications for TTL (IG) and AC/DC (IN) input modules.

125 V DC Input Module

Specifications for the 125V DC input module IH16.

Output Module Specifications

Relay Contact Output Modules

Relay Contact Ratings

Combination IO Module Specifications

Fuse Protection and Diagnostics

Fuse Protection Details

Blown Fuse Diagnostics

Blown Fuse Processor Behavior

Recovery Procedures

From Blown FuseFaultShutdown

Replacement Fuse Recommendations

Fuse Replacement Procedure

Electronically Protected Modules

Electronic Protection

Auto Reset Operation

Auto-reset behavior of OB6EI and OB16E modules.

Short CircuitOverload Diagnostics

Diagnosing short circuit/overload on output channels.

Recovery From Channel Shutdown

Procedure to recover from channel shutdown.

Module Wiring Diagrams

Input Module Wiring

Output Module Wiring

Combination IO Module Wiring