1771-IBDK/B Allen-Bradley Digital Input Module
$123.00
$320.00
Description
Allen-Bradley 1771-IBDK/B Digital Input Module
The Allen-Bradley 1771-IBDK/B, also cataloged as the 1771-IBDK Digital Input Module, operates as a dedicated hardware component for discrete DC signal acquisition within PLC-5 1771 I/O chassis platforms. The module provides 16 sinking DC input channels with 10-30 VDC field signal handling, optoelectrical isolation, and configurable input delay filtering.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1771-IBDK/B |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.89 lbs |
| Dimensions | 237.5 mm x 183 mm x 55 mm |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Backplane current 130 mA |
| Module Type | 16-point sinking DC digital input module |
| Input Voltage Range | 10-30 VDC |
| Input Current | Approx. 10 mA per channel |
| Input Delay Filter | Selectable 1 ms or 6 ms |
| Isolation | Optoelectrical isolation with input filtering |
| Indicators | LED status indicator for each input channel |
| Protective Coating | Conformal coating |
| Wiring Arm Compatibility | 1771-WH |
| System Compatibility | PLC-5 processors and remote I/O adapters |
PLC-5 I/O Bus and Firmware Compatibility
The 1771-IBDK/B integrates with Allen-Bradley PLC-5 control platforms through the 1771 I/O backplane interface. The module transfers discrete field input states through the chassis communication structure while maintaining electrical separation between field circuits and internal logic circuits.
The module supports I/O density scaling within the PLC-5 architecture by providing 16 discrete input points in a single I/O slot. Input filtering parameters allow adjustment of signal response behavior for different field device characteristics. Firmware flash compatibility is not applicable to this module generation, as configuration and operation are controlled through the PLC-5 hardware architecture.
Frequently Asked Questions
Q: What is the backplane current requirement of the 1771-IBDK/B module?
A: The module requires approximately 130 mA of backplane current from the 1771 I/O chassis power system.
Q: Does the 1771-IBDK/B support isolated field inputs?
A: The module provides optoelectrical isolation between input circuits and internal module electronics to reduce electrical interference transfer.
Q: What input response filtering options are available?
A: The module provides selectable input delay filtering with 1 ms and 6 ms settings.
Field Installation Guidelines
Install the 1771-IBDK/B module into a compatible PLC-5 1771 I/O chassis slot and verify that the chassis power is removed before module insertion or removal. Confirm field wiring polarity and voltage levels before connecting external devices.
Use the designated 1771-WH wiring arm for field termination. Route DC input signal cables separately from high-voltage power wiring and switching circuits to reduce electromagnetic interference.
Connect cable shields according to the plant grounding standard. Avoid multiple grounding points on shielded signal cables where ground loop currents may occur. Verify each input channel using the LED status indicators after wiring completion and system power restoration.
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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