Product details
Allen-Bradley 1771-IBN 32-Point DC Input Module
The Allen-Bradley 1771-IBN is a high-density discrete input module from Rockwell Automation. It is designed for use with PLC-5 programmable controllers. This module interfaces with field devices like switches and sensors.
Detailed Technical Specifications
- Input Voltage Operating Range: 10–30 VDC
- Minimum On-State Voltage: 10 VDC
- Maximum Off-State Voltage: 5 VDC
- On-State Input Current: 4.7 mA @ 10VDC, 15.6 mA @ 30VDC
- Typical Turn On Delay: 6 ms (±2 ms)
- Typical Turn Off Delay: 6 ms (±2 ms)
- Maximum Off-State Current: 1.7 mA
- Backplane Current Load: 280 mA @ 5VDC
- Maximum Power Dissipation: 16.4 Watts
- Maximum Thermal Dissipation: 53.3 BTU/hr
- Conformal coating protects against dust and moisture
Installation & Wiring Guide
- Use the included 1771-WN wiring arm for easy installation
- Recommended wire size: 0.25-2.5 mm² (22-14 AWG)
- Torque terminal screws to 1.0 N-m (9 in-lb)
- Supports ½-slot and 1-slot I/O addressing modes
- Keying bands must be placed between pins 18–20 (upper) and 14–16 (lower)
Package Contents
- 1771-IBN DC input module
- Product installation manual
We ship all orders via FedEx, UPS, or DHL express services.
Frequently Asked Questions (FAQ)
- What type of devices connect to the 1771-IBN?
You can connect dry-contact switches, pushbuttons, selector switches, and proximity sensors. - Is this module compatible with my 1771-A3B chassis?
Yes, the 1771-IBN works in all standard 1771 I/O chassis. - What is the response time for the inputs?
The typical on/off delay is 6 milliseconds with a ±2 ms tolerance.
The 1771-IBN offers reliable performance for industrial control applications. It is a trusted solution for machine automation and process systems.
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