Siemens SIMATIC NET S7-300 - Technical Specifications

3.6 Technical speci󹪝cations
Technical speci󹪝cations of the CSM 377
Connectors
Attachment of end devices or network components
over twisted pair
4 x RJ-45 sockets with MDI-X pinning 10/100 Mbps
(half/ full duplex), 󹪞oating
Connector for power supply 2-terminal plug-in block
Electrical data
Power supply Infeed 19.2 to 28.8 V DC
Safety extra-low voltage (SELV)
Power loss at 24 V DC 1.6 W
Current consumption at rated voltage 70 mA
Overvoltage protection at input PTC resettable fuse (0.5 A / 60 V)
Permitted cable lengths
Connection over Industrial Ethernet FC TP cables
0 – 100 m
0 – 85 m
Industrial Ethernet FC TP standard cable with IE FC
RJ45 plug 180
or
over Industrial Ethernet FC outlet RJ45 with 0 -
90 m Industrial Ethernet FC TP standard cable +
10 m TP cord
Industrial Ethernet FC TP marine/trailing cable with
IE FC RJ45 plug 180
or
0 - 75 m Industrial Ethernet FC TP marine/trailing
cable + 10 m TP cord
learnable MAC addresses / Aging Time
learnable MAC addresses 1024
Aging time 300 seconds
Permitted ambient conditions
Operating temperature 0 °C to +60 °C
Storage/transport temperature -40 °C to +70 °C
Relative humidity in operation ‹ 95% (no condensation)
Operating altitude 2000 m at max 56 °C ambient temperature
3000 m at max. 50 °C ambient temperature
Immunity EN 61000-6-2
Emission EN 61000-6-4
Degree of protection IP20
MTBF
MTBF 144 years
Construction
Dimensions (W x H x D) in mm 40 x 125 x 118
Product properties
3.6 Technical speci󹪝cations
Compact Switch Module CSM 377
Operating Instructions, 06/2022, A2B00073499-02 17