553BTechnical specifications
A.10 Communication interfaces
S7-1200 Programmable controller
System Manual, 11/2011, A5E02486680-05
745
Technical specifications
Ambient temperature
during storage
during transportation
during operation with a vertical installation (DIN rail
horizontal)
during operation with a horizontal installation (DIN rail
vertical)
-40 °C to 70 °C
-40 °C to 70 °C
0 °C to 55 °C
0 °C to 45 °C
Relative humidity at 25 °C during operation, without
condensation, maximum
95 %
Degree of protection
IP20
Power supply, current consumption and power loss
Type of power supply
DC
Power supply / external
minimum
maximum
24 V
19.2 V
28.8 V
Current consumption (typical)
from 24 V DC
from the S7-1200 backplane bus
100 mA
0 mA
Effective power loss (typical)
from 24 V DC
from the S7-1200 backplane bus
2.4 W
0 W
Power supply 24 VDC / external
Min. cable cross section
Max. cable cross section
Tightening torque of the screw terminals
min.: 0.14 mm
2
(AWG 25)
max.: 1.5 mm
2
(AWG 15)
0.45 Nm (4 lb-in)
Dimensions and weights
Width
Height
Depth
30 mm
100 mm
75 mm
Weight
Net weight
Weight including packaging
134 g
171 g
*
)
The current load of an external consumer connected between VP (pin 6) and DGND (pin 5) must not exceed a maximum
of 15 mA (short-circuit proof) for bus termination.
Note
The CM 1243-5 (PROFIBUS master module) must receive power from the 24 VDC sensor
supply of the CPU.