Product Details
Overview
The 1756-IR6I is a six-channel temperature-measuring analog module designed for Allen-Bradley ControlLogix systems. Each input is individually isolated, enabling precise and stable RTD measurements. This module supports high-resolution signal acquisition with advanced Sigma-Delta conversion and ensures long-term reliability under industrial environmental conditions.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model / Part Number: 1756-IR6I
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Module Type: Temperature-Measuring Analog Input Module
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Input Channels: 6 individually isolated RTD inputs
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Input Range:
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1.87 Ω, 2.000 Ω, 4.000 Ω, 8.000 Ω
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Resolution: 16-bit
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1.87 Ω: 7.7 mΩ/bit
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2.000 Ω: 15 mΩ/bit
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4.000 Ω: 30 mΩ/bit
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8.020 Ω: 60 mΩ/bit
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Current Draw: 250 mA @ 5.1V, 125 mA @ 24V
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Backplane Power: 4.25 W
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Power Dissipation: 4.3 W max, Thermal dissipation 14.66 BTU/hr
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Channel Bandwidth: 15 Hz
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Settling Time: <80 ms to 5% full scale
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Calibrated Accuracy (@ 25 °C): Better than 0.1% of range
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Calibration Interval: 6 months
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Offset Drift: 10 mΩ/°C
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Gain Drift: Nominal 50 ppm/°C, Maximum 90 ppm/°C
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Module Error: 0.54% of range
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Module Scan Time:
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25 ms minimum (floating point, ohms)
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50 ms minimum (floating point, temperature)
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10 ms minimum (integer, ohms)
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Data Format: Integer mode (left justified, 2’s complement) and IEEE 32-bit floating point
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Conversion Method: Sigma-Delta
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Isolation Voltage: 50 V continuous, tested 1350 V AC for 2 s
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Module Keying: Electronic, software configurable
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RTB Keying: User-defined mechanical
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Slot Width: 1
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Temperature Codes: North American T4A, IEC T4
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Enclosure: Open-style
Application Notes
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Designed for precise temperature measurement using RTD sensors
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Compatible with Allen-Bradley ControlLogix systems
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Ideal for process control, environmental monitoring, and industrial automation requiring high-resolution analog inputs
FAQ
Q: How many channels does the 1756-IR6I support?
A: Six individually isolated RTD inputs.
Q: What is the calibrated accuracy?
A: Better than 0.1% of full scale at 25 °C.
Q: Is the module isolated?
A: Yes, each input is isolated from the backplane and from other channels.
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.
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