Data Sheet for Product

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Siemens PXC….D – Automation stations, compact model CM1N9215en_25
Smart Infrastructure 2022-01-15
Universal inputs UI...
Configurable by software
A/D Resolution (analog in)
16 bits
Measured value inputs
Range
0 ... 11.0 V
Input
resistance
100 k

against

Sensor inputs
Temperature sensors
LG
-
Ni 1000, Ni 1000, Pt 1000, T1
Scaling range
–
50 ... 150 °C
Sensor current (continuous current)
Approx. 2.1 mA
Resolution
0.2 K
Measuring error at 25 °C (Ni 1000, Pt
1000)
Max. 0.3 K (without cable and sensor)
Measuring error at 25 °C (T1)
Max. 1.0 K (without cable and sensor)
Signal inputs
Contact voltage
DC 20 ... 25 V
Contact current
7 mA
Contact transfer resistance
Max. 200

(closed)
Contact isolation resistance
Min. 50 k


(open)
Counter inputs
Counting frequency (symmetric)
Max. 25 Hz
Min. closing/opening time incl. bouncing
20 ms
Max. bounce time
10 ms
Counter memory 8 Bit
(0...255

max. cycle time 10 s at 25 Hz)
Counter inputs faster than 1 Hz must be shielded if they are routed in the same trunking
as analog inputs for more than 10 m.
Analog outputs AO…
Configurable by software
D/A Resolution (analog out)
10 bits
Proportional outputs
Output voltage range
0 ... 11.0 V
Output current
Max. 4 mA source, max. 1.5 mA sink
Binary outputs BO for off-board relays only available on UIO 1...4 or 1...6
respectively
Output voltage range
0 / DC 24 V
Output
current
20 mA

Load

1000

Relay outputs DO… *)
Relay type
single pole, change
-
over contact
Contact data for AC
Voltage range
min. AC 12V max. AC 250V
Current, resistive load
max. 4A
Current, inductive load (cos phi
≥ 0.6)
max. 2A
Switching current min. 1mA at AC 250V
min. 10mA at AC 12V
Current on make max. 20A during max. 10ms
max. 10A during max. 1s
Contact data for DC
Voltage range
min. DC 12V, max. DC 30V
Current, resistive load
max. 3 A at DC 30 V
min. 10mA at DC 12 V
Current on make
max. 3 A
Service life of contact
With 0.1 A resistive
8 million switching operations
for AC 250 V
With 0.5 A resistive
2 million switching operations
With 4.0 A resistive (N/O)
0.2 million switching operations
Reduction factor with inductive load
(cos phi
≥ 0.6)
0.6 (max. 2 A inductive)
External supply line protection Slow-blow fuse max. 6 A
or
Circuit breaker max. 10 A
Characteristic B, C, D according to
EN
60898
*) The relay outputs are safely isolated from each other, from earth/cover and the remaining
electronics (AC 24 V) in accordance with SELV and PELV specifications. The relay outputs can
be used in mixing applications with AC 250 V and SELV / PELV circuits.