1771-IBN Allen-Bradley Digital Input Module
$123.00
$320.00
Description
Allen-Bradley 1771-IBN PLC-5 Digital DC Input Module
The Allen-Bradley 1771-IBN, also cataloged as the 1771-IBN Digital DC Input Module, operates as a dedicated hardware component for discrete signal acquisition within PLC-5 control systems. The module provides 32 DC input channels with 10-30 VDC signal acceptance and interfaces through 1771 chassis backplane communication.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1771-IBN |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.86 lbs |
| Power Consumption | Backplane current: 280 mA at 5 VDC |
| Product Type | Digital DC Input Module |
| Product Line | PLC-5 |
| Input Channels | 32 inputs (4 sets of 8) |
| Input Voltage Range | 10-30 VDC |
| Voltage Category | 10-60 VDC, Sink (Source Load) |
| Minimum On-State Voltage | 10 VDC |
| Maximum Off-State Voltage | 5 VDC |
| Maximum Off-State Current | 1.7 mA |
| Typical DC Signal Delay On | 6 +/- 2 ms with digital filter |
| Wiring Arm Compatibility | 1771-WN |
| Compatible Chassis | 1771-A1B through 1771-A4B |
| Conformal Coating | Yes |
PLC-5 Backplane and I/O Signal Processing Characteristics
The 1771-IBN operates as a PLC-5 I/O module using the 1771 backplane interface for data exchange between the input circuitry and processor. The module supports 32 high-true DC input points arranged as four groups of eight channels. The 280 mA backplane current requirement defines the module loading condition on the 5 VDC chassis supply.
The module supports Profinet / EtherNet/IP deterministic networks through PLC-5 system-level communication architectures when connected through compatible interface hardware. Firmware flash compatibility and I/O density scaling depend on the installed PLC-5 processor and communication adapter configuration.
Frequently Asked Questions
Q: What type of field signals can the 1771-IBN accept?
A: The module accepts discrete DC input signals within the 10-30 VDC operating range and provides 32 input channels for PLC-5 control applications.
Q: What is the backplane current requirement of the 1771-IBN?
A: The module requires 280 mA from the 5 VDC PLC-5 backplane supply during operation.
Q: Which wiring interface is compatible with this module?
A: The 1771-IBN uses the 1771-WN wiring arm for field signal termination.
Field Installation Guidelines
Install the 1771-IBN module in a compatible 1771 chassis slot and verify chassis power availability before insertion. Confirm field wiring polarity and voltage category requirements before connecting DC input signals.
Route input signal wiring separately from high-current power conductors to reduce electrical interference. Maintain proper shield termination practices when shielded cables are used, with grounding applied according to the system cabinet grounding design.
Verify that the wiring arm is correctly seated and that terminal connections are mechanically secured before commissioning. Check input status indication and PLC-5 controller I/O configuration 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.
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