1756-OA8 ALLEN BRADLEY ControlLogix 8 Pt D/O 120/240V AC Module

Product Specification

Mounts in the ControlLogix® rack
A removable terminal block (RTB) or Bulletin 1492 Wiring Interface Module (IFM) is required for all field wiring
Includes built-in timestamp functionality for event sequence (SOE) applications
Provides EtherNet/IP™ communications, including CIP Security™ and redundancy capabilities
Comprehensive I/O diagnostics enable detection of system failures and field failures
Live pluggable (RIUP) for easy maintenance
Electronic keying is provided to help prevent replacement errors
I/O wizards are included in the Studio 5000 Logix Designer® application for quick and easy module configuration

1756 ControlLogix CIP Secure I/0 module
Compact GuardLogix® 5380 or GuardLogix 5580 console is supported
Functional safety levels up to (including) SIL3 and PLe are available
Supports CIP Safety information forwarding and routing
Local or distributed I/O for use as the 5580 GuardLogix controller
Provides faster response times
Use the Logix Designer application version 32
Digital input modules available: IB16S-16 channels (SIL 3 for all grades)
Digital output modules available: OBV8S-8 channels (SIL 3 for all grades)
Includes compliance marks: TUV, UL, IECEx, ATEX, CE, Marine, FM

ControlLogix Digital I/O module
Various voltages available
Each module provides 8 to 32 points
Both isolated and non-isolated module types are available
Contains channel-level fault status output
Direct connection or rack-optimized communication is possible
Field diagnostics for selected modules

1756 ControlLogix Analog I/O module
Contains input, output, and combination modules
Thermocouple and thermal resistance modules available
Contains module-level data alarms
Provide engineering unit setting
Provides real-time channel sampling
Provides electronic module matching and can be configured through software
Contains mechanical detachable terminal block matching, user-defined
Configure voltage, current, or 2-wire transmitter current source flow pattern on a channel-by-channel basis

Configure thermal resistors or thermocouples on a channel-by-channel basis
The ControlLogix 1756 analog I/O 6-channel module with isolation will be discontinued on March 31, 2017 and will no longer be sold. Customers are advised to migrate to the 1756 isolated analog I/O 8-channel module by following the 6-to-8-channel 1756 Analog Module Migration Guide

1756 ControlLogix Special function I/O module
Includes configurable flow meter modules
High speed counter module available
Programmable limit switch module available

1756 ControlLogix Detachable Terminal Block (RTB)
Flexible interconnection between factory wiring and I/O modules
Includes screw clamp or spring clamp terminals
No I/O module; Must be ordered separately

1756 HART analog isolation I/O module
Provides isolation between channels
HART bus modems are provided on a channel-by-channel basis to improve HART bus data update speed
You can configure basic onsite devices through user-defined profiles
Helps eliminate the need for on-site isolation barriers when using isolation modules
Available in 8 or 16 channel density modules

1756 Enhanced analog I/O module
Improves accuracy, repeatability, stability and precision
Includes isolated 8-channel and non-isolated 12 and 16-channel modules for stable operation over the entire operating temperature range
No field calibration required
Use 24-bit design to improve accuracy
Contains each channel status and fault indicator
Provides SIL 1, System function 2, and is type-certified for use in the ControlLogix SIL 2 architecture
Simulation mode is available to help customers upgrade from 6-channel application projects

1756 Communication module
Implement network-based access control for users, devices, and networks in 1756 racks
Provides redundancy functions
Provides a security module for encrypting important information shared between the controller and server to prevent tampering

1756 Compute Module
High-speed access to the ControlLogix controller is provided through the backplane
The integrated DisplayPort™ enables direct connectivity of HD 5100 industrial monitors
Computing power is available in the ControlLogix rack