User Manual

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Siemens Climatix extension module 6 I/Os CB1N3924en_04
Smart Infrastructure 2020-09-23
0/1 digital signal (binary)
Galvanically isolated contact
Nominal voltage
AC 115…230 V
Frequency range
45…65 Hz
Sample current
3 mA at AC 230 V
Delay
100 ms
Pulse frequency
Max. 5 Hz
Connecting a AC 230 V signal to a galvanically isolated digital inputs
Optional plugs for IO signals
Phoenix FKCVW 2,5 / x-ST
Phoenix FKCT 2,5 / x-ST
Phoenix MVSTBW 2,5 / x-ST
Solid wire
0.5…2.5 mm²
Stranded wire (twisted and with
ferrule)
0.5…1.5 mm²
Cable lengths
In compliance with load, local regulations
and installation documents
Power supply
Ueff = AC 24 V  20%, fmain = 45...65 Hz
or U = DC 24 V  10%, no internal fuse
Bus termination selectable
(680 Ω / 120 Ω +1 nF / 680 Ω )
Solid wire
0.2…1.0 mm²
Stranded wire (twisted and with
ferrule)
0.2…1.0 mm²
Cable lengths
Max. 30 m
Addressing
DIP switch 1…5
Termination
DIP switch 6
Operation
IEC 60721-3-3 class 3K5
Temperature
-40...70 °C
Humidity
<90% r.h. (non-condensing)
Atmospheric pressure
Min. 700 hPa, corresponding to
Max. 3,000 m above sea level
Transport
IEC 60721-3-2 class 2K3/2K4
Temperature
-40...70 °C
Humidity
<95% r.h. (non-condensing)
Atmospheric pressure
Min. 260 hPa, corresponding to
Max. 10,000 m above sea level
Degree of protection
IP20 (EN 60529)
Safety class
Suitable for use in plants with safety
Digital input
DL1, DL2 (T2)
Connection terminals
Peripheral bus
Environmental
conditions
Protection