The inputs are protected against incorrect wiring AC 24 V.

Inputs: Overview

Type

Inputs

DXR2.M09..

1 DI, 2 UI

DXR2.M09T..

1 DI, 2 UI

DXR2.M10..

1 DI, 2 UI

Resistance sensor, analog (inputs X...)

Type

Range (over range)

Resolution

AI 1000 Ohm *)

1 kΩ (0...1.05 kΩ)

1 Ω

AI 2500 Ohm *)

2.5 kΩ (0...2625 kΩ)

2.5 Ω

AI 10 kOhm *)

10 kΩ (0...10.5 kΩ)

10 Ω

AI 100 kOhm *)

100 kΩ (0...105 kΩ)

100 Ω

Temperature measurement, analog (inputs X...)

Type

Range (over range)

Resolution

AI PT1K 375 (NA) *)

-40...70 °C (-45...75 °C)
-40...158 °F (-49...167 °F)

25 mK
0.045 °F

AI PT1K 385 (EU) *)

-40...70 °C (-45...75 °C)
-40...158 °F (-49...167 °F)

25 mK
0.045 °F

AI (LG-)Ni1000 *)

-40...70 °C (-45...75 °C)
-40...158 °F (-49...167 °F)

25 mK
0.045 °F

AI Ni1000 DIN *)

-40...70 °C (-45...75 °C)
-40...158 °F (-49...167 °F)

25 mK
0.045 °F

AI T1 (PTC) *)

-40...70 °C (-45...75 °C)
-40...158 °F (-49...167 °F)

100 mK
0.18 °F

AI NTC10K

-40...70 °C (-45...75 °C)
-40...158 °F (-49...167 °F)

25 mK (25 °C)
0.045 °F (77 °F)

AI NTC100K

-10...70 °C (-15...75 °C)
14...158 °F (5...167 °F)

25 mK (25 °C)
0.045 °F (77 °F)

*) A fixed value of 1 Ω is calibrated to correct line resistance.

Voltage measurement, analog (inputs X...)

Type

Range (over range)

Resolution

AI 0...10 V

0...10 V (-1...11 V)

2 mV

AI 0...10 V standard

0...100% (-10...110%)

2 mV

Open connection: Negative voltage -1.5 V, 8 μA (line failure detection)

Digital input (inputs X... or D...)

Contact query voltage

Universal input: 18 V
Digital input: 21 V

Contact query current

Universal input: 1.2 mA, 7.4 mA initial current
Digital input: 1.6 mA, 9.4 mA initial current

Contact resistance for closed contacts

Max. 100 Ω

Contact resistance for open contacts

Min. 50 kΩ