KL3106X1-BA1 | I.S. RTD / Resistance Input CHARM | Emerson

Description

The KL3106X1-BA1 is an I.S. RTD / Resistance Input CHARM from Emerson, designed for industrial automation applications requiring safe, reliable resistance and RTD signal input. As an intrinsically safe (I.S.) device, it is engineered to operate in hazardous areas where explosive atmospheres may be present. Based on typical Emerson CHARM module and RTD input device specifications, it likely supports common RTD types such as Pt100 and Ni100, with compatibility for 2, 3, or 4-wire sensor configurations to minimize cable resistance errors, with maximum allowable per-wire cable resistance up to 5 ohms. The module features sensor error detection functionality to identify faults like open or shorted sensors, with programmable error indication outputs. It provides high-precision signal processing, with low nominal sensor current around 0.2 mA to reduce self-heating effects in RTD elements. This CHARM module integrates with distributed control systems to convert resistance and RTD signals into digital data for process monitoring and control, suitable for use in oil and gas, chemical, and other process industries where intrinsic safety and accurate temperature or resistance measurement are critical.