Allen-Bradley
Allen-Bradley PLC-5 1771-IBN DC Digital Input Module
In stock, ready to ship
Manufacturer: Allen-Bradley
Product No.: 1771-IBN
Product Type: Digital Input
Product Origin: USA
Payment: T/T
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months
Yes, we provide a 30-day money-back guarantee for all purchases.
Yes, all items come with a 12-month warranty from the date of shipment.
Allen-Bradley 1771-IBN
16-Point DC Digital Input Module (Sink Type) – PLC-5 Series
Overview
The 1771-IBN is a 16-point DC digital input module from Allen-Bradley's PLC-5 1771 I/O series. Designed to handle 10–30 VDC sink-type inputs, it is ideal for interfacing with field devices such as switches, sensors, and contact closures in industrial automation environments.
Technical Specifications
| Module Type | Digital DC Input (Sink type) |
| Number of Inputs | 16 channels |
| Input Voltage Range | 10–30 VDC |
| Input Current | ~10 mA per channel |
| Input Filtering | Built-in noise suppression |
| Input Delay | ~1 ms or 6 ms (selectable) |
| Backplane Current | 280 mA |
| Compatible Chassis | 1771-A1B, A2B, A3B, A3B1, A4B or later |
| Wiring Arm | 1771-WH |
| Processor Compatibility | PLC-5/15 Series B+, Mini-PLC-2/02, PLC-3, PLC-2/30, etc. |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| ESD Protection | Static-shielded packaging |
Features
- 16 discrete input channels for DC signal monitoring
- Sink-type input: requires source-type field devices
- Noise suppression circuitry for reliable signal acquisition
- Status LEDs for each input channel
- Compatible with PLC-5 and earlier Mini-PLC/PLC-2/PLC-3 systems
- Static-safe packaging and installation precautions recommended