PRODUCT INFORMATION
Product Overview
The Allen-Bradley 1771-ARC is a PLC-5 Remote Adapter Module designed for distributed industrial control architectures. It acts as an interface between local I/O modules and the remote I/O processor. The unit supports remote installation up to 5000 cable feet away from the host processor. It occupies two module I/O slots and mounts directly to the back panel within the chassis assembly.
Engineered for legacy PLC-5 automation systems, the 1771-ARC provides deterministic remote communication across industrial cabling. It connects using standard cable options including 1771-CX1, 1771-CX2, and 1771-CX5. The module features mechanical lower connector keying between pins 16 and 18 to ensure correct chassis insertion. It operates within a standard industrial temperature range of 0 to 60 degrees Celsius.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
|---|
| Category | PLCs |
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| Product Line | PLC 5 |
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| UPC | 780333868705 |
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| Weight | 1.81 lbs (0.82 kg) |
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| Module Type | Remote I/O Adaptor Module |
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| Number of Module I/O Slots | 2 Slots |
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| Mount Type | Back Panel |
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| Cable | 1771-CX1 (1 m), 1771-CX2 (2 m), 1771-CX5 (5 m) |
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| Operating Temperature | 32-140 F (0-60 C) |
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| Storage Temperature | -40-185 F (-40-85 C) |
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| Lower Connector Keying | 16-18 |
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TECHNICAL INFORMATION
Features
- Interfaces distributed I/O modules with remote PLC-5 processors.
- Supports transmission distances up to 5000 cable feet from the host controller.
- Requires two module I/O slots in the host chassis.
- Integrates standard back panel mounting for chassis installation.
- Uses mechanical keying at positions 16-18 to prevent incorrect insertion.
- Compatible with dedicated 1771-CX1, 1771-CX2, and 1771-CX5 communication cables.
TECHNICAL INFORMATION
Applications
- Distributed remote I/O racks in Allen-Bradley PLC-5 control architectures.
- Long-distance field device interfacing up to 5000 feet from central processors.
- Industrial automation backplane expansions requiring remote adapter interfaces.
TECHNICAL INFORMATION
Connections / Interfaces
- Backplane connection occupying two adjacent chassis I/O slots.
- Mechanical keying on lower connector at pin positions 16-18.
- Interface ports compatible with 1771-CX1, 1771-CX2, and 1771-CX5 cables.
TECHNICAL INFORMATION
Installation Guidelines
- Verify lower connector keying matches slots 16 through 18 prior to insertion.
- Mount the module directly into two adjacent back panel I/O slots.
- Maintain ambient operating temperatures between 0 and 60 degrees Celsius.
TECHNICAL INFORMATION
Configuration Guidelines
- Confirm transmission distance remains within the 5000 cable feet operational limit.
- Select appropriate 1771-CX cable lengths for chassis interconnectivity.
TECHNICAL INFORMATION
Compatibility
- Allen-Bradley PLC-5 remote I/O chassis assemblies.
- 1771-CX1 (1 m), 1771-CX2 (2 m), and 1771-CX5 (5 m) connection cables.
TECHNICAL RESOURCES
Documentation
COMPATIBILITY
Compatibility & Replacement
COMPATIBLE MODELSAllen-Bradley PLC-5 remote I/O chassis assemblies. 1771-CX1 (1 m), 1771-CX2 (2 m), and 1771-CX5 (5 m) connection cables.
Verify compatibility against the exact Part Number, revision and manufacturer documentation before ordering.
PART VERIFICATION
Before You Order
Industrial automation parts can share similar model names, suffixes and revisions. Confirm the complete manufacturer Part Number before purchase.
01Check Part NumberMatch the complete ordering code on the existing unit.
02Confirm RevisionCheck suffix, hardware or firmware when applicable.
03Send a Label PhotoWe can review a clear label photo when identification is uncertain.
ORDERING PROCESS
From RFQ to Dispatch
1Submit Part Number2Verify Product Identity3Confirm Stock & Condition4Issue Quotation5Dispatch & Tracking
PRODUCT FAQ
Frequently Asked Questions
What is the function of the Allen-Bradley 1771-ARC module?
The 1771-ARC serves as a remote I/O adapter module. It interfaces I/O modules with a PLC-5 remote processor.
How many chassis slots does the 1771-ARC require?
The module requires two module I/O slots within the mounting chassis.
What is the maximum communication distance supported by the 1771-ARC?
The module can be installed up to 5000 cable feet away from the communicating processor.
What is the reference market price for the 1771-ARC?
Observed market reference pricing is approximately $149.00 USD. This figure is an indicative reference and not a final quotation.
