Product Details
Product Description
The Allen Bradley ControlLogix 1756-IF8HK is an advanced analog input module designed for precise signal acquisition in automation systems. Supporting both voltage and current inputs, it integrates HART capability for enhanced diagnostics and device communication. With sigma-delta conversion and multiple input ranges, the 1756-IF8HK ensures high-resolution data capture across diverse industrial applications.
Technical Specifications
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Manufacturer: Allen Bradley
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Product Line: ControlLogix
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Catalog Number / Model: 1756-IF8HK
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Category: PLCs
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Module Type: Analog Input with HART support
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Weight: 0.56 lbs (0.26 kg)
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Number of Inputs: 8 voltage/current channels
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Input Types: 2 high-speed differential, 4 differential, 8 single-ended
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Conversion Method: Sigma-Delta
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Data Formats: Integer (left-justified, 2’s complement), IEEE 32-bit floating point
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Input Signal Ranges: -10…10 V, 0…10 V, 0…5 V, 0…20 mA
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Input Resolution:
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±10.25 V: 320 µV/count (15-bit + sign, bipolar)
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0…10.25 V: 160 µV/count (16-bit)
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0…5.125 V: 80 µV/count (16-bit)
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0…20.5 mA: 0.32 µA/count (16-bit)
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Backplane Current (5 VDC): 150 mA
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Backplane Current (24 VDC): 40 mA
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Power Dissipation (Max): 1.73 W (voltage mode), 2.33 W (current mode)
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Terminal Blocks: 1756-TBCH, 1756-TBS6H (removable)
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Isolation Voltage: 30 V continuous
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Power Consumption: 1.73 W
Application Scenarios
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High-precision analog signal monitoring in process industries
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Integration with HART-enabled field devices for diagnostics and configuration
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ControlLogix-based automation requiring flexible voltage/current input ranges
FAQ
Q: How many input channels are available on the 1756-IF8HK? A: Eight channels supporting voltage and current signals.
Q: Does the module support HART communication? A: Yes, it integrates HART capability for enhanced device communication.
Q: What removable terminal blocks are compatible? A: 1756-TBCH and 1756-TBS6H.
Comparison with Similar Models
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1756-IF8HK: 8-channel analog input with HART support.
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1756-IF8: Standard 8-channel analog input without HART.
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1756-IF16: 16-channel analog input for higher density applications.
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
Master Acceptance Testing: Understanding FAT and SAT in Industrial Control Systems
Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) serve as critical quality assurance gateways in complex industrial control systems. Both procedures verify that programmable logic controllers (PLCs), distributed control systems (DCS), and associated field devices meet strict functional specifications. However, executing these tests effectively requires clear delineation between off-site staging and final field commissioning.
Industrial Networking Essentials: Demystifying Hubs, Switches, and Routers in Control Systems
Industrial automation relies heavily on robust networking infrastructure to connect programmable logic controllers (PLCs), distributed control systems (DCS), and human-machine interfaces (HMIs). Modern factory automation environments generate vast amounts of real-time operational data across deterministic networks. Understanding the structural differences between hubs, switches, and routers ensures optimal traffic segmentation, minimizes latency, and maintains high network availability.
Safety Relays in Industrial Automation: Fundamentals, Design Standards, and Fail-Safe Architecture
Safety relays form the bedrock of functional safety in modern factory automation, preventing catastrophic equipment failure and protecting plant personnel. While standard electromechanical relays handle basic load switching, they lack the redundant diagnostics required for high-risk industrial environments. Modern industrial automation platforms—including programmable logic controllers (PLCs) and distributed control systems (DCS)—rely on specialized safety relays to monitor field devices and isolate hazards instantly.