Emerson KL3031X1-BA1 RTD/Resistance Input CHARM ModuleDescription This KL3031X1 BA1 CHARM module supports RTD (Resistance Temperature Detector) and general resistance input signals. Its engineered for Zone 2 and Class I Div. 2 hazardous locations and integrates seamlessly into DeltaV systems using the CHARM I O architecture. Specifications Input Type: RTD Resistance Power Requirements: CHARM Bus: +6. 3 VDC @ 32 mA Field Circuit: +24 VDC @ 10 mA Operating Temperature: 40C to +70C Humidity: 5% to 95% non