Product Specification
| Manufacturer | Allen Bradley |
| Product No. | 1771-SN |
| Type | Sub Input/Output Scanner Module |
| Backplane Current | 5VDC |
| Operating Temperature | 0-60oC (32–140oF) |
| Storage Temperature | –40 to 85oC (–40 to 185oF) |
| Vibration | 2g @10–500Hz |
| Dimesions (HxWxD) | 270 x 30 x 170mm |
| Weight | 0.9kg |
Product Feature
1
Remote I/O Scanning: The primary feature of the 1771-SN is its ability to scan and control I/O modules located remotely from the main PLC-5 processor. This is done over the Remote I/O (RIO) network, allowing I/O to be distributed across a large factory floor or multiple buildings.
2
Offloads Processor Tasks: By handling the direct scanning of remote I/O racks, the 1771-SN frees up the PLC-5 processor's resources. This allows the main processor to dedicate more time to executing application logic, improving overall system performance and response times.
3
Flexible System Expansion: This module provides immense flexibility for system design and expansion. It allows users to place I/O points closer to the field devices they control, reducing wiring costs and simplifying installation in large or geographically dispersed applications.
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FAQs of Allen Bradley 1771-SN And Product Images
What is the Allen-Bradley 1771-SN? The 1771-SN is a Sub I/O Scanner Module designed for Allen-Bradley PLC-5 controllers. How does the 1771-SN work? It acts as an intelligent interface that scans the remote I/O rack(s) and transfers data between the field devices and the main PLC-5 processor over the Remote I/O (RIO) network. Is the 1771-SN still widely used or is it obsolete? The 1771-SN is part of the legacy PLC-5 platform, which has largely been superseded by newer Rockwell Automation platforms like ControlLogix. |  |
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| Allen Bradley | AB 1771-SN Allen Bradley 1771/SN | Allen Bradley 1786-RPFRL |
| Allen Bradley | AB 1771-SN Allen Bradley 1771/SN | Allen Bradley 1786-RPFRL |
| Allen Bradley | Allen Bradley 1771/SN AB 1771-SN | AB 1786-RPFRL AB 1786-RPFRL |
| Allen Bradley | Allen Bradley 1771/SN AB 1771-SN | AB 1786-RPFRL AB 1786-RPFRL |
| Allen Bradley | Allen Bradley 1771/SN AB 1771-SN | AB 1786-RPFRL AB 1786-RPFRL |
| Allen Bradley | Allen Bradley 1771/SN AB 1771-SN | AB 1786-RPFRL AB 1786-RPFRL |
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