Technical Specifications - Siemens SIMATIC NET S7-1200 Compact Operating Instructions

Product characteristics

3.6 Technical specifications

3.6 Technical specifications
Technical specifications of the CSM 1277
Connectors
Attachment of end devices or network components
over twisted pair
Connector for power supply
Electrical data
Power supply
Power loss at 24 V DC
Current consumption at rated voltage
Overvoltage protection at input
Permitted cable lengths
Connection over Industrial Ethernet FC TP cables
0 – 100 m
0 – 85 m
learnable MAC addresses / Aging Time
learnable MAC addresses
Aging time
Permitted ambient conditions
Operating temperature
Storage/transport temperature
Relative humidity in operation
Operating altitude
Immunity
Emission
Degree of protection
MTBF
MTBF
Construction
18
4 x RJ-45 sockets with MDI-X pinning 10/100 Mbps
(half/ full duplex), floating
3-pin plug-in terminal block
Power supply 24 V DC (limit: 19.2 to 28.8 V DC)
safety extra-low voltage (SELV)
Functional ground
1.6 W
70 mA
PTC resettable fuse (0.5 A / 60 V)
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
2048
280 seconds
0°C through +60°C
-40°C through +70°C
‹ 95% (no condensation)
2000 m at max 56 °C ambient temperature
3000 m at max. 50 °C ambient temperature
EN 61000-6-2
EN 61000-6-4
IP20
273 years
Compact Switch Module CSM 1277
Compact Operating Instructions, 06/2022, A2B00079397-02