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SIMATIC S7-1200

Communication

CSM 1277 unmanaged

4/104

Siemens ST 70 · 2011

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Overview

• Unmanaged switch for connecting a SIMATIC S7-1200 to an

Industrial Ethernet network with a line, tree or star topology

• Multiplication of Ethernet interfaces on a SIMATIC S7-1200 for

additional connection of up to three programming devices,

operator controls, and further Ethernet nodes

• Simple, space-saving mounting on the SIMATIC S7-1200

mounting rail

• Low-cost solution for implementing small, local Ethernet

networks

• Connection without any problems using RJ45 standard

connectors

• Simple and fast status display via LEDs on the device

• Integral autocrossover function permits use of uncrossed

connecting cables

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Technical specifications

Order number 6GK7 277-1AA00-0AA0

Product type designation CSM 1277

Data transmission rate

Transmission rate 1 10 Mbit/s

Transmission rate 2 100 Mbit/s

Interfaces

Maximum number of electrical/

optical connections for network

components or terminal equipment

Number of electrical connections

• For network components or

terminal equipment

• For signal contact

• For power supply 1

Design of electrical connection

• For network components or

terminal equipment

RJ45 port

• For signal contact -

• For power supply 3-pin terminal block

Supply voltage, current

consumption, power loss

Type of power supply DC

Supply voltage, external 24 V

• Minimum 19.2 V

•Maximum 28.8 V

Current consumption, maximum

0.07 A

Product component: fusing of

power supply input

Yes

Type of fusing of power supply input

0.5 A / 60 V

Effective power loss at 24 V with DC 1.6 W

Permitted ambient conditions

Ambient temperature

• During operating phase 0…60 °C

• During storage -40 … +70 °C

• During transport -40 … +70 °C

Relative humidity at 25 °C without

condensation during operating

phase, maximum

95 %

IP degree of protection IP20

Design, dimensions and weights

Type of construction SIMATIC S7-1200 device design

Width 45 mm

Height 100 mm

Depth 75 mm

Net weight 0.15 kg

Type of mounting

• 35 mm DIN rail mounting Yes

• Wall mounting

Yes

• S7-300 rail mounting No

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 121 122

SIMATIC S7-1200 1

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AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Pagina 104

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