1756-IR12 Analog Input Module Allen-Bradley

Allen-Bradley 1756-IR12 RTD Input Module

Technical Specifications

• Channels: 12 non-isolated 3-wire RTD inputs
• Resolution: 24-bit high-precision conversion
• Input Ranges: 1-500, 2-1000, 4-2000, 8-4000 Ohms
• Current Draw: 200 mA at 5.1V DC, 70 mA at 24V DC
• Power Dissipation: 2.7 Watts maximum
• Isolation Voltage: 250 Volts continuous
• Operating Temperature: 0 to 60°C

Key Features

• Sigma-Delta conversion method for accuracy
• IEEE 32-bit floating point data format
• Notch filter and digital filtering capabilities
• Wire-off detection and sensor diagnostics
• Over-range and under-range detection
• Status LED for module monitoring
• T4 temperature code rating

Sensor Compatibility

• Supports platinum, nickel, and copper RTDs
• Automatic range-sensor configuration
• Software-configurable electronic keying
• Mechanical terminal block keying
• Calibration for RTD (Ohms) and thermocouple (mV)
• Multiple input range selection

Installation & Compatibility

• Compatible with 1756-TBCH and 1756-TBS6H terminal blocks
• Mounts in any 1756 ControlLogix chassis
• Minimum input scan time: 50 ms
• Reinforced insulation type
• Overvoltage protection: +/- 30V DC
• Thermal dissipation: 9.2 BTU per hour

Frequently Asked Questions

How many RTD inputs does this module support?
The 1756-IR12 provides 12 channels of 3-wire RTD input connectivity.

What resolution does the module offer?
It features 24-bit resolution for high-precision temperature measurements.

What RTD types are compatible?
Supports platinum, nickel, and copper RTD sensors across multiple ranges.

What terminal blocks are required?
Compatible with 1756-TBCH and 1756-TBS6H removable terminal blocks.

What is the operating temperature range?
Designed for operation from 0 to 60 degrees Celsius.

For technical specifications and pricing information, contact: sales@nex-auto.com