1756PAR2 Allen Bradley PLC

1756PAR2 Allen Bradley PLC Specification

Input
Not Applicable (Communication Module)

Features
Enables communication between ControlLogix chassis over a medium distance

Output
Not Applicable (Communication Module)

Interface
32-pin ControlLogix Chassis Backplane slot connection

Power Supply
Backplane power supplied from ControlLogix Chassis

IP Rating
IP20

Usage
Used for connecting ControlLogix I/O chassis

Power Source
Backplane powered

Components
1 module, installation manual

Operating Temperature
0C to 60C (32F to 140F)

Display Type
Status LED Indicators

Product Type
Communication Adapter Module

Application
Industrial Automation, ControlLogix PLC Systems

Rated Voltage
5V DC, 24V DC (Backplane)

Supply Voltage
Backplane powered, 1756 Chassis

Size
Standard ControlLogix module size

Dimension (L*W*H)
173 x 35 x 145 mm (6.8 x 1.38 x 5.7 in)

Function
Communication Adapter Module for ControlLogix I/O Chassis

Color
Black

Weight
Approx. 0.32 kg (0.7 lbs)

Capacity
Supports up to 6 chassis in a daisy-chain

Thickness
Standard module profile (Approx. 2.5 cm)

Current Rating
450 mA @ 5.1V DC, 3 mA @ 24V DC (Backplane)

Shock
30 g Operating, 50 g Non-operating

Storage Temperature
-40°C to 85°C (-40°F to 185°F)

Relative Humidity
5% to 95% non-condensing

Part Number
1756-PAR2

Mounting Type
Panel, DIN Rail (in chassis)

Agency Approvals
c-UL-us, CE, C-Tick, KC, EAC

Communication Ports
Parallel (PAR) backplane connection

Vibration
2 g @ 10-500 Hz

Series
ControlLogix 1756 Series

About 1756PAR2 Allen Bradley PLC

Allen Bradley 1756-PAR2 Programmable Logic Controller 1756PAR2

Mounting Type

DIN Rail

Output Type	Analog
Brand	Allen Bradley
Manufacturer Series	ControlLogix,1756
I/O Points	265V AC Input
Usage/Application	Automation
Minimum Order Quantity	10

Power Supply Bundle, ControlLogix, AC, 85-265V AC Input, 2 Redundant Supplies, With 2 Cables and Chassis Adaptor

Reliable Communication for ControlLogix Systems

The 1756-PAR2 adapter module serves as a crucial communication link in ControlLogix PLC environments. By utilizing a parallel backplane connection, it enables seamless data flow and coordination between multiple I/O chassis. Its robust construction-including resistance to vibration and shock-ensures uninterrupted operation even in demanding industrial settings.

Flexible Mounting and Easy Integration

Install the 1756-PAR2 easily in any standard ControlLogix chassis. Its compatibility with both panel and DIN rail mounting methods allows for flexible adaptation to various cabinet designs. The black, compact module integrates smoothly within your automated infrastructure, while status LEDs provide at-a-glance operational feedback.

FAQ's of 1756PAR2 Allen Bradley PLC:

Q: How does the 1756-PAR2 communication adapter module function in a ControlLogix system?

A: The 1756-PAR2 serves as a communication adapter, linking multiple ControlLogix I/O chassis using parallel backplane connections. It facilitates data exchange and control signals between up to six chassis arranged in a daisy-chain configuration, ensuring a unified system operation across medium distances.

Q: What are the primary benefits of using the 1756-PAR2 module?

A: The main advantages include reliable and efficient communication among ControlLogix chassis, robust design for industrial environments (including high vibration and shock tolerance), easy installation, and compliance with international safety and quality standards (c-UL-us, CE, C-Tick, KC, EAC).

Q: When should I use the 1756-PAR2 in my industrial automation setup?

A: Use the 1756-PAR2 when you need to connect multiple ControlLogix I/O chassis for coordinated operation, particularly in medium-distance applications where seamless communication and system expansion are needed.

Q: Where is the 1756-PAR2 typically installed within a control system?

A: This module is mounted in the ControlLogix 1756 chassis, which is installed inside industrial control panels. It supports both panel and DIN rail mounting, making it suitable for various cabinet configurations in industrial automation environments.

Q: What is the installation process for the 1756-PAR2 module?

A: To install, simply insert the module into a standard slot within the 1756 chassis and secure it per the provided manual. The module is backplane powered, eliminating the need for additional power wiring, and the status LED indicators confirm operational status.

Q: What are the usage limitations or power requirements for the 1756-PAR2?

A: The module is designed exclusively for communication purposes-there are no input or output terminals. Power is sourced directly from the ControlLogix chassis backplane, drawing 450 mA at 5.1V DC and 3 mA at 24V DC, making external power supplies unnecessary.

Q: How does the 1756-PAR2 enhance system scalability and maintenance?

A: By supporting up to six chassis connections, the 1756-PAR2 allows for scalable system design and expansion. Features like status LEDs and standard chassis installation streamline both initial setup and ongoing maintenance, reducing downtime and simplifying troubleshooting.

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