Siemens SIMATIC TDC - SB70 Technical specifications

Interface module
7.4 Interface module SB70
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
201
7.4.3
Technical specifications
General data
Mounting system
Housing can be snapped onto mounting rails
Dimensions W x H x D [mm]
45 x 129 x 160 mm
Weight
Approx. 0.37 kg
Ambient temperatures
Ambient temperatures
max. 60°°C
Power supply
Rated supply voltage (V
s
)
24 V DC
Valid range
20.4 V to 28.8 V DC
Briefly t<500 ms
1.5 x V
rated
Rated current consumption
150 mA
The maximum current of 1 A may not be exceeded on connector X3 if the supply of several
terminal blocks is routed via this connector.
Digital outputs
Number
8
Switching characteristics of the relay contacts
120 V AC
2 A
120 V DC
0.4 A
60 V DC
1 A
< 35 V DC
2 A
Switching frequency
Max. 20 Hz
Dielectric strength Safety isolation guaranteed:
- between inputs and outputs
Electrical isolation guaranteed:
- between input circuits
Test voltage 1125 V AC
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