PRODUCT INFORMATION
Product Overview
The Allen-Bradley 1771-WE is a field wiring arm designed for the PLC-5 control platform. This assembly features 18 screw terminals and supports up to 8 I/O connection points. The terminals feature gold-plated contacts to ensure low electrical resistance during long-term operation. It provides a physical termination interface for field wiring directly in 1771 I/O chassis assemblies.
The unit incorporates conformal coating across its construction to protect internal connections from environmental contaminants. Terminal screws require an installation torque between 7 and 9 pound-inches for secure conductor retention. No external power is required to operate the wiring arm assembly. Field technicians can disconnect and replace modules without disturbing existing field wiring connections.
TECHNICAL DATA
Technical Specifications
| Parameter | Specification |
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| Number of Terminals | 18 |
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| Maximum I/O Capacity | 8 I/O points |
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| Contact Plating | Gold |
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| Terminal Screw Torque | 7 to 9 lb-in |
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| Protective Coating | Conformal coat |
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| External Power Required | None |
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| Typical AC Signal Delay (Off) | 29 (+/- 8) ms |
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| Typical DC Signal Delay (Off) | 30 (+/- 7) ms |
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| Application Classification | High Current Thermo Wiring Arm |
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| Operating Weight | 0.25 lbs (0.11 kg) |
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| Dimensions | 4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm) |
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TECHNICAL INFORMATION
Features
- Accommodates up to 8 field I/O connections across 18 terminal points.
- Gold-plated contact surfaces maintain circuit continuity and reduce contact oxidation.
- Factory-applied conformal coating provides defense against humid and contaminated operating environments.
- Screw clamp terminals support secure wire retention with 7 to 9 lb-in torque.
- Passive assembly operates without requiring external electrical power.
TECHNICAL INFORMATION
Applications
- PLC-5 1771 chassis I/O module terminations.
- High-current thermal wiring arm installations in industrial processes.
- Process control systems requiring modular disconnection of field wiring.
TECHNICAL INFORMATION
Connections / Interfaces
- 18 individual gold-plated screw terminals for field conductor attachment.
- Chassis-facing interface mates directly to compatible 1771 series I/O modules.
- Terminal screws accept standard industrial wiring within recommended torque limits.
TECHNICAL INFORMATION
Installation Guidelines
- Mount the wiring arm onto the 1771 chassis pivot points before inserting the module.
- Tighten all terminal screws to a torque between 7 and 9 lb-in.
- Verify wire routing does not interfere with the arm swing radius during maintenance.
TECHNICAL INFORMATION
Compatibility
- Compatible with Allen-Bradley 1771 I/O chassis and designated PLC-5 I/O modules.
TECHNICAL RESOURCES
Documentation
COMPATIBILITY
Compatibility & Replacement
COMPATIBLE MODELSCompatible with Allen-Bradley 1771 I/O chassis and designated PLC-5 I/O modules.
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 primary function of the Allen-Bradley 1771-WE?
The 1771-WE provides terminal landing points for field wiring in Allen-Bradley PLC-5 systems. It permits module removal without disconnecting field wires.
What is the recommended screw torque for 1771-WE terminals?
The recommended tightening torque for all 18 screw terminals is between 7 and 9 pound-inches.
What is the reference price range for the 1771-WE wiring arm?
Observed market reference pricing ranges from approximately 89.00 USD to 129.00 USD depending on condition. These figures are indicative market reference pricing only and are not a final quotation.
