1771-IMD Allen-Bradley PLC-5 Digital Input Module
$123.00
$320.00
Description
Allen-Bradley 1771-IMD Digital AC/DC Input Module
The Allen-Bradley 1771-IMD, also cataloged as the 1771-IMD Digital AC/DC Input Module, operates as a dedicated hardware component for discrete AC/DC signal acquisition within PLC-5 1771 I/O chassis platforms. It provides 16 input channels for 220 VAC/DC field device monitoring with backplane communication through the PLC-5 rack interface.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1771-IMD |
| Brand | Allen-Bradley |
| Origin | USA |
| Product Type | Digital AC/DC Input Module |
| Series | PLC-5 1771 I/O |
| Number of Inputs | 16 inputs |
| Voltage Category | 220 VAC/DC |
| AC Operating Voltage | 184-250 VAC |
| DC Operating Voltage | 166-230 VDC |
| Backplane Current | 250 mA |
| Power Consumption | Not specified |
| Max AC Off-State Current | 13.0 mA |
| Max DC Off-State Current | 0.25 mA |
| Typical AC Signal Delay (On) | 15 +/- 8 ms |
| Typical DC Signal Delay (On) | 15 +/- 8 ms |
| Typical AC Signal Delay (Off) | 172 +/- 56 ms |
| Wiring Arm | 1771-WA |
| Mounting | Rack Mount |
| Weight | 2.29 lbs |
PLC-5 Digital Input Interface Characteristics
The 1771-IMD module provides discrete input processing for PLC-5 systems using the 1771 I/O rack backplane. The module accepts high-voltage AC or DC field signals and converts input states into digital data for controller processing.
The module architecture follows Allen-Bradley PLC-5 I/O density scaling methods, allowing integration of multiple digital input points within a single rack slot. The electrical interface provides channel isolation and input filtering for switching devices connected to the field terminals.
Frequently Asked Questions
Q: What field signal range does the 1771-IMD support?
A: The module supports 220 VAC/DC category signals, including 184-250 VAC and 166-230 VDC operating ranges.
Q: What PLC system is compatible with the 1771-IMD?
A: The 1771-IMD is designed for Allen-Bradley PLC-5 processors with 1771 I/O chassis installations.
Q: What is the backplane power requirement of the module?
A: The module requires 250 mA from the 5 VDC PLC-5 backplane supply.
Field Installation Guidelines
Install the 1771-IMD module in a compatible 1771 I/O chassis slot and secure the module using the rack mounting mechanism. Connect field conductors through the specified 1771-WA wiring arm.
Route AC/DC input wiring separately from low-level analog and communication cables to minimize electrical interference. Verify field voltage levels before energizing the input terminals.
Follow PLC-5 grounding practices and maintain proper cabinet wiring separation between control circuits and power conductors. Confirm input channel LED status and controller data updates after installation.
Features
Minimum Order Quantity (MOQ)
We welcome bulk orders and have a minimum order quantity of just one unit.
Certificates and Documentation
Upon request, we can provide all necessary documentation, including Certificates of Origin/Conformance and other required export documents.
Delivery Time
For items in stock, we aim to deliver within 1-3 days after payment confirmation. Items with specified lead times will be delivered according to the quoted schedule.
Payment Methods
We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% due before shipment. For RMB transfers, please contact us if you have an agent in China.
Warranty
We offer a standard one-year warranty on all new and original items. If you require an extended warranty, please contact us for additional cost details.
Refund and Return Policy
Your satisfaction is important to us. If you need to return an item, it must be done within 30 days of the order date. The product must be unused, unopened, and in its original packaging with all accessories included. Refunds are processed within 5-7 business days after we receive the returned item. Please note that shipping and related charges are non-refundable.
Featured
Complementary products
Express Delivery
Fast shipping for your urgent needs.
Large Inventory
Extensive stock ensures quick availability.
Premium Quality
Genuine, high-grade PLC & DCS components.
24/7 Customer Support
Reliable service for clients worldwide.