Allen Bradley 1756-IRT8I Isolated RTD / Thermocouple / mV Input Module

FAQ

Q1: What is the primary function of the 1756-IRT8I module?
The module provides 8 isolated temperature sensing inputs for RTD, thermocouple, and millivolt signals in ControlLogix systems.

Q2: What sensor types are supported by the module?
It supports RTDs, thermocouples, and millivolt input devices.

Q3: Which thermocouple types are compatible?
Supported thermocouples include B, C, D, E, J, K, N, R, S, T, and TXK/XK (L).

Q4: What is the resolution of the module?
The module provides high-resolution 24-bit analog conversion.

Q5: Does the module provide channel isolation?
Yes, all 8 channels are individually isolated with 250V continuous isolation protection.

Q6: What diagnostic and filtering functions are available?
The module supports underrange/overrange detection, wire-off detection, digital filtering, process alarms, synchronized sampling, and cold junction compensation.

Q7: Which removable terminal blocks are compatible?
Compatible RTBs are 1756-TBCH and 1756-TBS6H.

Q8: Is the 1756-IRT8I still available?
Yes, Rockwell Automation currently lists the 1756-IRT8I as an active product.

1756-IRT8I Allen Bradley

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