Product Details
Product Description
The Allen-Bradley 1746-NIO4V is an analog combination module for the SLC 500 series, designed to handle both voltage and current signals. It provides two differential analog inputs and two non-isolated voltage outputs, making it suitable for applications requiring precise signal conversion and control. With high resolution, fast update times, and rack-mount compatibility, it ensures reliable performance in industrial automation systems.
Technical Specifications
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Manufacturer Allen-Bradley
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Category PLCs
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Product Line SLC 500
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Part Number 1746-NIO4V
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Weight 1.00 lbs (0.45 kg)
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Module Type Analog combination module
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Inputs 2 differential voltage/current inputs
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Current Input Range -20 to +20 mA
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Current Input Resolution 1.22070 µA per LSB
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Voltage Input Range -10 to +10 VDC
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Voltage Input Resolution 305.176 µV per LSB
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Outputs 2 non-isolated voltage outputs
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Output Voltage Range -10 to +10 VDC
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Output Voltage Resolution 1.22070 mV per LSB
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Resolution 16-bit input, 14-bit output
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Bandwidth 10 Hz
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Update Time 512 µs
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Step Response 60 ms (input), 2.5 ms (output)
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Backplane Current (5 VDC) 55 mA
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Backplane Current (24 VDC) 115 mA
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Mounting Rack mount
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Slot Width 1
Application Scenarios
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Signal conversion for process control systems
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Industrial automation requiring precise analog input/output handling
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Applications needing fast update times and high-resolution data acquisition
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Integration into SLC 500 racks for mixed analog/digital control
FAQ
Q: How many inputs and outputs does the 1746-NIO4V provide? A: It offers 2 differential analog inputs and 2 non-isolated voltage outputs.
Q: What is the resolution of the inputs and outputs? A: Inputs are 16-bit resolution, while outputs are 14-bit resolution.
Q: What is the typical update time? A: The module updates in 512 microseconds, with a step response of 60 ms for inputs and 2.5 ms for outputs.
Comparison with Similar Models
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1746-NI4: Provides only analog inputs, no outputs.
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1746-NO4V: Provides only analog voltage outputs.
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1746-NIO4V: Combination module with both inputs and outputs for flexible 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
Understanding Marshalling Cabinets in Industrial Control Systems Architecture
Industrial control system deployments rely on structured signal distribution to bridge field instrumentation with central processing hardware. A marshalling cabinet serves as the vital intermediate connection point between heavy field home-run multi-pair cables and delicate input/output (I/O) modules housed inside Programmable Logic Controller (PLC) or Distributed Control System (DCS) enclosures. By segregating field cable terminations from control hardware, engineers maintain system flexibility, safeguard controller components, and streamline commissioning workflows.
FAT vs SAT in Industrial Control Systems: Key Differences and Execution Guide
Industrial control system deployment relies on strict verification protocols to guarantee operational safety, system stability, and regulatory compliance. Commissioning complex Programmable Logic Controller (PLC) racks, Distributed Control Systems (DCS), and Safety Instrumented Systems (SIS) requires two critical milestones: the Factory Acceptance Test (FAT) and the Site Acceptance Test (SAT). Both procedures validate that system automation meets design specifications, but they occur at different stages of project execution and target distinct operational risks.
Hub vs Switch vs Router in Industrial Automation Architecture
Modern factory automation relies on reliable industrial networking infrastructure to exchange real-time field data across operational technology systems. Engineers often encounter networking hardware like hubs, switches, and routers when integrating Programmable Logic Controllers, Distributed Control Systems, and SCADA monitoring nodes. Although these devices share physical ports, they operate at different layers of the Open Systems Interconnection reference model and deliver distinct traffic management capabilities.