Allen-Bradley 1746-IA16 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-IA16 Specifications

General

Series	SLC 500
Part Number	1746-IA16
Category	I/O Systems
Manufacturer	Allen-Bradley
Number of Inputs	16
Input Voltage	120V AC
Input Voltage Category	AC
Operating Temperature	0...60 °C (32...140 °F)
Storage Temperature	-40...85 °C (-40...185 °F)
Product Type	Digital Input Module
Backplane Current Draw	125 mA at 5V DC
Power Dissipation	2.5 W
Isolation Voltage	1500 V
Isolation Voltage Continuous	1500 V
Relative Humidity	5-95% non-condensing
Compatibility	SLC 500

Summary

Product Overview and Safety

Hazardous Location Safety

Details safety precautions for hazardous environments.

Installation and Setup

Module Installation Steps

Step-by-step guide for installing modules into a chassis.

General Module Specifications

General I/O Specifications

General electrical and environmental specs for all modules.

Input Module Specs and Heat Dissipation

Heat Dissipation Data

Heat dissipation values for input modules.

AC Input Modules (IA, IM)

Specs for 1746-IA and 1746-IM AC input modules.

DC Input Modules

Specs for various 1746 DC input modules.

TTL Input Module Specs (IG)

Specs for the 1746-IG16 TTL input module.

AC/DC Input Module Specs (IN)

Specs for the 1746-IN16 AC/DC input module.

High Voltage DC Input Module Specs (IH)

Specs for the 1746-IH16 125V DC input module.

Output Module Specifications

AC Output Modules (OA, OAP)

Specs for 1746-OA and 1746-OAP AC output modules.

DC Output Modules (OB, OBP, OV, OVP)

TTL Output Module (OG)

Relay Contact Output Modules (OW, OX)

Fuse Protection and Diagnostics

Fuse Protection Details

Blown Fuse Diagnostics

Fuse Fault Handling and Recovery

Processor Operation on Fuse Blow

Electronically Protected Modules

Electronic Protection Mechanism

Electronically Protected Module Operation

Auto Reset Operation and Recovery