Number of channels per module

2 configurable RTD (resistance temperature detector) inputs

Distribution of channels into groups

1 (2 channels per group)

Resolution

RTD

+0.1 °C / 0.1 °F

Resistance

16 bits including sign

Connection of the signals O0+ and O1+

Terminals 10 and 13

Connection of the signals I0- and I1-

Terminals 11 and 14

Connection of the signals I0+ and I1+

Terminals 12 and 15

Input type

Module ground referenced RTD for 2-wire and 3-wire resistance temperature detectors

Galvanic isolation

Against internal power supply and other modules

Input ranges

Pt100, Pt1000, Ni100, Ni1000

150 W, 300 W

Indication of the input signals

No

Module update time

All channels: < 1 s

Channel input resistance

> 100 kW

Input filter attenuation

-3 dB at 3.6 kHz

Conversion error of the analog values caused by non-linearity, adjustment error at factory and resolution within the normal range

Typ.

Depending on RTD max. ±0.6 % of full scale (guaranteed for 3-wires connection only)

at +25 °C

Max.

± 2 % of full scale (guaranteed for 3-wires connection only)

at 0 °C ... +60 °C or EMC disturbances

Measuring range

⮫ “Measuring ranges”

Analog to digital conversion time

Typ. 140 ms per channel

Unused inputs

Can be left open and should be configured as "unused"

Input data length

4 bytes

Power dissipation inside the sensor (max.)

1 mW

Suppression of interference

On request

Maximum input voltage

30 V DC (sense), 5 V DC (source)

Basic error (resistance)

0.1 % of full-scale

Repeatability

0.05 % of full-scale

Overvoltage protection

Yes, up to 30 V DC

Wire loop resistance

< 20 W

Max. cable length (conductor cross section > 0.14 mm²)

Unshielded wire

10 m

Shielded wire

100 m