RS-485 interface module PD641

power

Analogue Interface Module, 3-ch. input each of which can be configured for either Pt100 or Pt1000 sensor types • Temperature input Pt100 or Pt1000 • All channels can be independently configured for either Pt100 or Pt1000 sensor types. • The analogue input register shows the temperature in °C. • Advanced internal self testing • Wide power supply range • Wide temperature range • 2 LEDs for power On and Error indication The PD 641 is an analogue input module with three temperature input channels, each of which can be configured for either Pt100 or Pt1000 sensor types. It is used with a BM 013 Base module. Power Supply DC: nom. 24.0 V, min. 18.0 V, max. 32.0 V Ripple: max. 5% Power consumption @ 24V DC Operation: max. 25 mA Current at power up: max. 60 mA Analogue input (Ch. 1 – 3) Signal type: Pt100 / Pt1000 Connection: 4-wire / 2-wire Update time: Fixed 2.4 s Input temperature range: Pt100 -100 °C → +600 °C, Pt1000 -100 °C → +200 °C Ambient temperature coefficient Tc: max. ± 15 ppm / °C Ambient temperature influence (ΔT): Tc x (Tambient – 20) x (Tsensor + 273) Pt-100 Data (excluding sensor) Calibration error: @ Tamb. 20 °C max. ± 0.1 °C Resolution: typ. 0.05 °C Measuring current: max. 500 µA Pt-1000 Data (excluding sensor) Calibration error: @ Tamb. 20 °C max. ± 0.2 °C Resolution: typ. 0.2 °C Measuring current: max. 50 µA Filter for analogue input signal Type: 4th order low pass Time constant: configurable 3.0 s – 50.0 s Gain error: max. ± 0.1 %