1771-HRA | Allen-Bradley I/O Module
Introduction:
New original Allen-Bradley 1771-HRA remote I/O adapter module for PLC-5 systems. In stock, ready to ship with 12-month warranty.
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Product Attributes:
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Product Overview
The 1771-HRA is a remote I/O adapter module from Allen-Bradley. It serves as a communication interface in the 1771 series. This module links a remote chassis to a programmable controller. It handles data exchange over a single cable. The module supports standard remote I/O protocols.
Application Scenarios
This module is used in industrial automation systems. It connects remote I/O racks to a central controller. Common applications include manufacturing lines and material handling. It also fits in process control and packaging machines. The module works in standard industrial environments.
Technical Specifications
- Product Number: 1771-HRA
- Type: Remote I/O Adapter Module
- Communication: Single cable remote I/O link
- Compatibility: 1771 I/O chassis and PLC-5 processors
- Operating Temperature: 0 to 60 °C
- Storage Temperature: -40 to 85 °C
- Humidity: 5 to 95% non-condensing
- Weight: 0.5 kg
Installation & Maintenance Guide
Install the module into any slot of a 1771 chassis. Secure the module with the locking tab. Connect the remote I/O cable to the front connector. Set the chassis address using the rotary switches. Power up the system and verify communication. Keep the module free from dust and moisture. Check cable connections periodically for tightness.
Frequently Asked Questions (FAQ)
What is the primary function of 1771-HRA?
The module acts as a remote I/O adapter. It allows a remote chassis to communicate with a PLC-5 processor over a single cable.
Which controllers are compatible with this module?
The 1771-HRA works with Allen-Bradley PLC-5 processors. It also works with other controllers that support the 1771 remote I/O protocol.
What is the maximum cable length for the remote I/O link?
The maximum cable length depends on the baud rate. At 57.6 kbaud, the maximum length is 3048 meters. At 115.2 kbaud, the maximum length is 1524 meters.
What environmental conditions does the module support?
The module operates from 0 to 60 °C. It can be stored from -40 to 85 °C. It works in humidity from 5 to 95% non-condensing.
Does the module require any special software to configure?
No special software is needed for basic setup. The module is configured using the rotary address switches on the front panel.