PD641
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
Product Description
APPLICATION
 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.
SPECIFICATIONS
 Power Specifications
 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 %
Environmental Conditions
 Ambient Temperature
 Operating temperature: -25 °C – 70 °C
 Storage temperature: -40 °C – 85 °C
Humidity
 Relative humidity: max. 95%
Approvals
 EMC EN61000-6-2, EN61000-6-3
Vibration IEC 60068-2-6
 Frequency range: 2-100 Hz
 Frequency / amplitude: 2-10 Hz: +/- 5.0 mm
 10-100 Hz: +/- 2g
 Sweep rate: max. 1 octave/min
 Number of axes: 3 mutually perpendicular
 
 


