550 617 02

 

 

PD 641 Analogue Input Module

 

Specific Features

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.

 

 

 

 

 

 

 

PD 641 Block Schematic

 

 

Channel Structure

The PD 641 consists of 4 channels as shown in the table.

 

Channel No.

Channel Name

Channel Description

0

Service

Device Ident.,Address and Config.

1

Analog_1

Analogue Input

2

Analog_2

Analogue Input

3

Analog_3

Analogue Input

 

 

Electrical Specifications

Power supply

Power supply:

Nom.

24.0 V

min.

18.0 V

max.

32.0 V

Ripple voltage

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

Pt1000

-100 C → +600 C

-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 A

 

Pt-1000 Data (excluding sensor)

Calibration error:

@ Tamb. 20 C

max.

0.2 C

Resolution:

typ.

0.2 C

Measuring current:

max.

50 A

 

Filter for analogue input signal

Type:

4th order low pass

 

Time constant:

configurable

3.0 s 50.0 s

Gain error:

max.

0.1 %

 

Ambient temperature range

Operating:

-25 C 70 C

 

Storage:

-40 C 85 C

 

 

Humidity

Relative humidity:

max.

95 %

 

EMC

Immunity:

EN 61000-6-2

Emission:

EN 61000-6-3

 

Vibration

Test method:

IEC 60068-2-6

Frequency / amplitude:

 

2-10 Hz: 5.0 mm

10-100 Hz: 2g

Sweep rate:

max. 1 octave/min

Number of axes:

3 mutually perpendicular

 

 

 

Related topics

Ordering Information

Wiring diagrams

LED function

Base Module overview

Application notes

PD 640 Analogue I/O Module (Current)

PD 642 Analogue Input Module (mV / Thermocouple)