Allen-Bradley 1756-IA8D ControlLogix 8 Point D/I Module
ALLEN-BRADLEY · Programmable Controllers

1756-IA8D

ControlLogix 8 Point D/I Module

79-132 VAC Diagnostic Input 8 Pts (20 Pin)

Catalog Number
1756-IA8D
Product Family
ControlLogix Accessories & Specialty
Platform
ControlLogix
Category
Programmable Controllers
Product Type
Industrial automation product
TECHNICAL INFORMATION

1756-IA8D technical information

Technical Specifications

Voltage79-132 VAC
Terminal Count20 Pin
Number of Channels8
I/O DirectionInput
APPLICATION / ENGINEERING

1756-IA8D application and engineering notes

System Role

ControlLogix coordinates high-performance centralized control, large EtherNet/IP architectures, distributed I/O, motion and, where required, safety or redundancy for large machine and process applications.

Selection Criteria

Size controller generation and memory together with EtherNet/IP device load, task/program structure, motion axes, safety/redundancy requirements, chassis and communication modules.

Integration

Engineer 1756 chassis/modules, remote POINT/FLEX/5000 I/O, PowerFlex/Kinetix, FactoryTalk and third-party EtherNet/IP devices as one architecture, including RPI, produced/consumed data, messaging and diagnostics.

Migration / Modernization

For PLC-5, SLC 500 and older ControlLogix migrations, validate I/O conversion, Remote I/O/DH+ communications, MSG logic, tag/program conversion, scan behavior and the controlled cutover plan.

DS Robotik evaluates product selection together with field conditions and system architecture, covering PLC/I/O architecture, panels, software, integration, commissioning and modernization.

PRODUCT STRUCTURE

1756-IA8D system position

Allen-Bradley 1756-IA8D is part of the ControlLogix Accessories & Specialty product family on the ControlLogix platform.