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SIMATIC S7-1200

Communication

CM 1241 communication module

4/96

Siemens ST 70 · 2011

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Overview

• For quick, high-performance serial data exchange via point-

to-point connection

• Implemented protocols: ASCII, USS drive protocol,

Modbus RTU

• Additional protocols can also be loaded

• Simple parameterization with STEP 7 Basic

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Technical specifications

6ES7 241-1CH30-0XB0 6ES7 241-1AH30-0XB0

Product type designation CM 1241 RS485 CM 1241 RS232

Current consumption

Current consumption, max. 220 mA; from L5+; logic 220 mA; from L5+; logic

Power losses

Power loss, typ. 1.1 W 1.1 W

Interfaces

Number of interfaces 1 1

Interface physics, RS 232C (V.24) Yes

Interface physics, RS 422/RS 485 (X.27)

Yes

Point-to-point

Cable length, max. 1000m 10 m

Integrated protocol driver

•ASCII Yes; available as library function Yes

•USS Yes; available as library function

Climatic and mechanical conditions for

storage and transport

Climatic conditions for storage and transport

•Free fall

- Drop height, max. (in packaging) 0.3 m; Five times, in dispatch package 0.3 m; Five times, in dispatch package

•Temperature

- Permissible temperature range -40 °C to +70 °C -40 °C to +70 °C

• Air pressure acc. to IEC 60068-2-13

- Permissible air pressure 1080 to 660 hPa 1080 to 660 hPa

• Relative humidity

- Permissible range (without condensation) at

25 °C

95% 95%

Mechanical and climatic conditions during

operation

Climatic conditions in operation

•Temperature

- Permissible temperature range 0°C to 55°C horizontal mounting

0° C to 45° C vertical mounting

0°C to 55°C horizontal mounting

0° C to 45° C vertical mounting

- Permissible temperature change

5°C to 55°C, 3°C / minute 5°C to 55°C, 3°C / minute

• Air pressure acc. to IEC 60068-2-13

- Permissible air pressure 1080 to 795 hPa 1080 to 795 hPa

1 2 ... 91 92 93 94 95 96 97 98 99 100 101 ... 121 122

SIMATIC S7-1200 1

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AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Pagina 96

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