Product Details
Product Description
Allen-Bradley PLC 5 Digital Input Module – Model: 1771-IBDK The 1771-IBDK is a conformal-coated DC input module designed for the Allen-Bradley PLC 5 series. It provides 16 input channels for monitoring DC signals in industrial automation systems. With a wide voltage range, reliable signal processing, and robust construction, this module is suitable for demanding control environments requiring accurate digital input handling.
Technical Specifications
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Manufacturer: Allen-Bradley (Rockwell Automation)
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Product Line: PLC 5
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Model: 1771-IBDK
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Type: Digital DC Input Module
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Number of Inputs: 16 channels
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Voltage Range: 10–60 VDC (sink configuration, source load)
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DC Operating Voltage: 10–30 VDC
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Backplane Current Draw: 130 mA
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Max DC Off-State Current: 2.0 mA
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Typical DC Signal Delay (On): 1.3 ms ± 0.1 ms
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Typical AC Signal Delay (Off): 20 ms ± 15 ms
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Wiring Arm: 1771-WN
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Protective Coating: Conformal coat for environmental resistance
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Weight: 0.94 lbs (0.43 kg)
Application Scenarios
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Legacy PLC 5 systems requiring DC input modules
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Machine control applications with multiple digital input signals
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Industrial automation setups needing conformal-coated modules for durability
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Replacement in existing PLC 5 racks with 1771-WN wiring arms
FAQ
Q: How many inputs does the 1771-IBDK provide? A: It provides 16 DC input channels.
Q: What is the operating voltage range? A: The module supports 10–60 VDC, with a typical operating range of 10–30 VDC.
Q: Does the module include protective coating? A: Yes, it features conformal coating for added environmental protection.
Q: What wiring arm is compatible with this module? A: The 1771-WN wiring arm is required.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Comprehensive Guide to Instrumentation and Control (I&C) Design Basis
Instrumentation and Control (I&C) Design Basis serves as the foundational technical document for modern plant engineering. Project teams rely on this master specification to govern engineering deliverables across front-end engineering design (FEED) and detailed execution phases. A well-constructed I&C design basis ensures seamless integration among field instrumentation, safety systems, and main control systems. Furthermore, establishing clear technical standards early mitigates execution risks and prevents costly re-engineering during plant commissioning.
The Shift to Flexible IO Modules in Modern Industrial Automation
Traditional control systems rely on dedicated Input Output (IO) cards for industrial automation. Each conventional module processes a single signal type, such as Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO). A standard 16-channel card accepts only one specific channel type across all ports. This inflexible hardware design often creates severe engineering bottlenecks during project execution. Engineers frequently must install entirely new cards to accommodate a single extra sensor. Consequently, late design changes increase control cabinet space requirements and drive up project costs.
DCS Commissioning Steps in Industrial Automation Projects
Commissioning a Distributed Control System (DCS) represents a crucial milestone when deploying modern process automation infrastructure. Field engineers must execute systematic verification steps to transition complex control hardware from static installation to dynamic plant control. Proper commissioning ensures that controllers, I/O modules, network switches, and HMI software operate in strict compliance with engineering design specifications before introducing live process fluids.