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Compact Switch Module CSM 1277 for connecting SIMATIC
S7-1200 and up to 3 further nodes to Industrial Ethernet with 10/100 Mbit/s; unmanaged switch, 4 RJ45 ports, ext. 24 V DC power supply LED diagnostics,
S7-1200 module incl. electronic Equipment Manual on CD-ROM
Product type designation SCALANCE CSM 1277
Transfer rate
Transfer rate 10 Mbit/s, 100 Mbit/s
Interfaces / for communication / Integrated
Number of electrical connections
● for network components or terminal equipment 4
Number of 100 Mbit/s SC ports
● for multimode 0
Number of 1000 Mbit/s LC ports
● for multimode 0
● for single mode (LD) 0
Interfaces / other
Number of electrical connections
● for power supply 1
Type of electrical connection
● for power supply 3-pole terminal block
Supply voltage, current consumption, power loss
Type of voltage / of the supply voltage DC
Supply voltage
● external 24 V
● external / minimum 19.2 V
● external / maximum 28.8 V
Product component / fusing at power supply input Yes
Fuse protection type / at input for supply voltage 0.5 A / 60 V
Consumed current / maximum 0.07 A
Power loss [W]
● at DC / at 24 V 1.6 W
Ambient conditions
Ambient temperature
● during operation 0 … 60 °C
● during storage -40 … +70 °C
● during transport -40 … +70 °C
Relative humidity
● at 25 °C / without condensation / during operation / maximum 95 %
Protection class IP IP20
Design, dimensions and weights
Design SIMATIC
S7-1200 device design
Width 45 mm
Height 100 mm
Depth 75 mm
Net weight 0.15 kg
Mounting type
● 35 mm DIN rail mounting Yes
● wall mounting Yes
● S7-300 rail mounting No
Product functions / management, configuration, engineering
Product function
● multiport mirroring No
Product function / switch-managed No
Product functions / redundancy
Product function
● Parallel Redundancy Protocol (PRP)/operation in the PRP-network Yes
● Parallel Redundancy Protocol (PRP)/Redundant Network Access (RNA) No
Standards, specifications, approvals
Standard
● for FM FM3611: Class 1, Divison 2, Group A, B, C, D / T.., CL.1, Zone 2, GP. IIC, T.. Ta
● for hazardous zone EN 600079-15:2005, EN 600079-0:2006, II 3 G Ex nA II T4, KEMA 08 ATEX 0003 X
● for safety / from CSA and UL UL 508, CSA C22.2 No. 142
● for emitted interference EN 61000-6-4 (Class A)
● for interference immunity EN 61000-6-2
MTBF 273 y
Standards, specifications, approvals / CE
Certificate of suitability / CE marking Yes
Standards, specifications, approvals / other
Certificate of suitability EN 61000-6-2, EN 61000-6-4
● C-Tick Yes
● KC approval No
Standards, specifications, approvals / marine classification
Marine classification association
● American Bureau of Shipping Europe Ltd. (ABS) Yes
● Bureau Veritas (BV) Yes
● Det Norske Veritas (DNV) Yes
● Germanische Lloyd (GL) No
● Lloyds Register of Shipping (LRS) Yes
● Nippon Kaiji Kyokai (NK) Yes
● Polski Rejestr Statkow (PRS) No
● Royal Institution of Naval Architects (RINA) No
Further information / Internet-Links
Internet-Link
● to website: Selector SIMATIC NET SELECTION TOOL http://www.siemens.com/snst
● to website: Industrial communication http://www.siemens.com/simatic-net
● to website: Industry Mall https://mall.industry.siemens.com
● to website: Information and Download Center http://www.siemens.com/industry/infocenter
● to website: Image database http://automation.siemens.com/bilddb
● to website: CAx Download Manager http://www.siemens.com/cax
● to website: Industry Online Support https://support.industry.siemens.com
Security information
Security information Siemens provides products and solutions with industrial security functions that support the secure operation of plants, solutions, machines, equipment and/or networks. They are important components in a holistic industrial security concept. With this in mind, Siemens’ products and solutions undergo continuous development. Siemens recommends strongly that you regularly check for product updates. For the secure operation of Siemens products and solutions, it is necessary to take suitable preventive action(e.g. cell protection concept) and integrate each component into a holistic, state-of-the-art industrial security concept. Third-party products that may be in use should also be considered. For more information about industrial security, visit http://www.siemens.com/industrialsecurity. To stay informed about product updates as they occur, sign up for a product-specific newsletter. For more information, visit http://support.automation.siemens.com. (V3.4)
last modified: 06/10/2020
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