Description
Allen-Bradley 1771-ID Isolated AC/DC Input Module
Product Description
The Allen-Bradley 1771-ID is a versatile, 6-channel isolated input module from the renowned 1771 series. It is designed to accept both 120V AC and 120V DC signals, offering exceptional flexibility for your industrial control system. Each channel is individually isolated, allowing you to mix voltage types if needed. This module is perfect for connecting devices like limit switches, pushbuttons, and float switches. It features built-in input filtering to suppress electrical noise and contact bounce, ensuring reliable operation and reducing downtime.
Key Features & Benefits
- Six Individually Isolated Inputs: Operate each channel at 120V AC or DC independently.
- Wide Voltage Range: Works reliably from 92 to 138V AC/DC.
- Noise Immunity: Advanced filtering protects against voltage transients and contact bounce.
- Easy Installation:
- Mounts in any 1771 I/O chassis.
- Uses the 1771-WD Field Wiring Arm (included).
- Robust Design: Built for harsh industrial environments.
Technical Specifications
| Brand | Rockwell Automation / Allen-Bradley |
| Model / Catalog Number | 1771-ID (Complete Suffix Information: 1771-ID) |
| Module Type | Isolated Discrete Input |
| Number of Inputs | 6 |
| Input Voltage | 92-138 VAC, 47-63 Hz / 92-138 VDC |
| Nominal Input Current | 8 mA @ 120V AC, 8 mA @ 120V DC |
| Off-State Current (Max) | 1.7 mA |
| AC Signal Delay (On/Off) | 24 ms (±10 ms) |
| DC Signal Delay (On) | 10 ms (±4 ms) |
| DC Signal Delay (Off) | 20 ms (±9 ms) |
| Isolation Rating | 1500V AC (rms) |
| Backplane Current | 74 mA |
| Power Dissipation | 0.4 – 4.4 Watts |
| Operating Temperature | 0° to 60°C (32° to 140°F) |
| Wire Gauge | 14 AWG (stranded or solid copper) |
Warranty & Shipping
We offer a 12-month warranty on this product. It is shipped via reliable carriers like FedEx, UPS, or DHL for fast and secure delivery.
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