Product Details
Product Description
The 1771-WI is a reliable wiring arm module designed for output connections in PLC-5 systems. It supports low-resistance signal transfer for thermocouple and other low-voltage applications, with gold-plated terminals and conformal coating to ensure long-term durability and signal integrity. The module is compatible with 1771 I/O chassis and provides precise AC/DC signal response.
Technical Specifications
-
Manufacturer: Allen-Bradley
-
Model Number: 1771-WI
-
Product Type: Output Wiring Arm Module
-
Module Type: Wiring Arm
-
Max Number of I/O Points: 8
-
Number of Terminals: 18
-
Contact Plating: Gold
-
Screw Torque: 7–9 lb·in
-
Typical Application: Thermocouple, low-resistance connections
-
Protective Coating: Conformal coat
-
Required External Power: None
-
Typical AC Signal Delay (Off): 29 ± 8 ms
-
Typical DC Signal Delay (Off): 30 ± 7 ms
-
Compatible Wiring Arm: 1771-WN
-
Weight: 0.31 lbs (0.14 kg)
Key Features
-
Gold-plated contacts for minimal resistance and reliable connectivity
-
Compact rack-mountable design compatible with PLC-5 I/O chassis
-
Conformal coating protects against dust, moisture, and corrosion
-
Suitable for thermocouple and low-voltage output wiring
Applications
-
Output wiring in PLC-5 control systems
-
Low-resistance signal distribution for analog and thermocouple modules
-
Modular expansion of I/O connectivity
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding VFD Mechanical Brake Logic and Control in Industrial Automation
Variable Frequency Drives (VFDs) play a crucial role in modern industrial automation by controlling motor speed, torque, and acceleration. However, high-inertia loads and vertical lifting systems require precise mechanical braking logic to ensure operational safety and prevent equipment damage.
Why Programmable Logic Controllers Drop into Stop Mode: An Expert Analysis
Industrial automation systems rely heavily on Programmable Logic Controllers (PLCs) to maintain uninterrupted production. When a PLC unexpectedly shifts from Run to Stop mode, whole manufacturing lines stall.
As control systems evolve across modern factory automation, understanding the root causes of these interruptions helps engineers minimize costly downtime. This technical guide breaks down why PLCs trip into Stop mode and provides practical strategies to mitigate system faults.
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.