Item Specification Material code 01440338 Model GL20-4TC IP rating IP20
Certification CE & UL
Ambient temperature -20℃ to +55℃
Power supply Rated voltage of bus input power supply 5 VDC (4.75 VDC ~ 5.25 VDC)
Rated current of bus input power supply 85 mA (typical at 5 V)
Rated voltage of terminal input power supply 24 VDC (20.4 VDC ~ 28.8 VDC)
Rated current of terminal input power supply 100 mA (typical at 24 V)
Module hot swap function Not supported 24V input anti-reverse Supported Input Input channels 4 way Digital resolution 24 bit Display sensitivity 0.1°C, 0.1°F Input terminal Thermocouple input, thermocouple type: B, E, N, J, K, R, S, T
Compensation method Internal cold junction compensation Accuracy (25°C) (±0.1%)±1°C (±100 mV full scale) + cold junction compensation error. Only ADC sampling accuracy is defined here. For specific temperature measurement accuracy, see user manual.
Accuracy (operating temperature –20°C to 55°C) (±0.3%)±1°C (±100 mV full scale) + cold junction compensation error. Only ADC sampling accuracy is defined here. For specific temperature measurement accuracy, see user manual. Isolation Isolation between I/O terminals and power supply. No isolation between channels. Input action display None Input derating None Overrun disconnection detection Support