The Allen-Bradley 1756-IR12 analog input module, a part of the Bulletin 1756/ControlLogix family, is engineered for versatile general-purpose applications, featuring 12 non-isolated channels supporting 3-wire RTD connections. With its 24-bit resolution and status LED display, it offers multiple input ranges from 1 to 4000 Ohms and automatically configures to the last used range-sensor setup. Prioritizing safety and efficiency, the module includes overvoltage protection up to ±30 Volts DC, reinforced insulation at 250 Volts continuous rating, and maintains stable operation within an ambient temperature range of 0 to 60 degrees Celsius, making it a robust option for demanding industrial environments.
Technical specifications for 1756-IR12
Brand
Allen-Bradley / Rockwell Automation
Series
ControlLogix
Part Number
1756-IR12
Application
General purpose I/O
Module type
Analog input, 3-wire RTD connections
Number of channels
12, non-isolated
Data resolution
24-bit
Mounting
Chassis
Display
Status LED
Input/output range
1 to 500/2 to 1000/4 to 2000/8 to 4000 Ohms
Isolation voltage
250 Volts (continuous)
Current draw at 5.1 Volts DC
200 milli Amps
Current draw at 24 Volts DC
150 milli Amps
Operating temperature
0 to 60 degrees Celsius (32 to 140 degrees Fahrenheit)
