User Manual

10
Siemens CM1N9204en
Smart Infrastructure 2020-03-17
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
Outputs
NOTICE
The outputs are protected against short circuiting and incorrect wiring AC 24 V.
But mind the following exception: Separate AC 24 V supply for field devices (V~).
Connecting an external supply to the triacs (V~) will destroy the room automation station.