Digital inputs (X1...X4)

0/1 digital signal (binary)

For potential-free contacts

Sampling voltage/current

DC 24 V / 8 mA

Contact resistance

Max. 200 Ω (closed)

Min. 50 kΩ (open)

Delay

10 ms

Pulse frequency

Max. 30 Hz

Connecting floating contacts

X1, X2 (T1)

NTC 10k (B25/85 = 3977 K)

Sensor current

60 μA at 25 °C

Measure range

660 Ω…688 kΩ

Temperature

Accuracy

Resolution

-50 °C

2.5 K

0.6 K

-40 °C

1.4 K

0.4 K

-30 °C

0.9 K

0.2 K

-10 °C

0.5 K

0.1 K

50 °C

0.7 K

0.2 K

70 °C

1.3 K

0.4 K

90 °C

2.5 K

0.7 K

100 °C

3.4 K

0.9 K

NTC 100k (B25/85 = 3977 K)

Sensor current

15 μA at 25 °C

Measure range

1805 Ω…330 kΩ

Temperature

Accuracy

Resolution

0 °C

1.8 K

0.5 K

10 °C

1.2 K

0.3 K

30 °C

0.7 K

0.2 K

70 °C

0.5 K

0.2 K

110 °C

0.8 K

0.2 K

120 °C

1.0 K

0.3 K

140 °C

1.5 K

0.4 K

150 °C

1.9 K

0.5 K

Connecting thermistor to analog input

X3, X4 (T1)

DC 0…5 V input for ratiometric sensors

Resolution

10 mV

Accuracy at 0 V

50 mV

Accuracy at 5 V

100 mV

Input resistance

100 kΩ

Connecting ratiometric sensor to analog input