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SIMATIC S7-1200

Communication

RS485 CB 1241 communication board

4/98

Siemens ST 70 · 2011

■

Overview

• For fast, high-performance serial data exchange via point-to-

point connection

• Implemented protocols: ASCII, USS drive protocol, Modbus

RTU

• Additional protocols can be loaded later

• Simple parameterization with STEP 7 Basic

• Can be plugged directly into the CPU

■

Technical specifications

6ES7 241-1CH30-1XB0

Product type designation CB 1241 RS485

Current consumption

from backplane bus 5 V DC, typ. 50 mA

Power losses

Power loss, typ. 1.5 W

Alarms/diagnostics/status infor-

mation

Diagnostics

• Diagnostic functions Yes

Diagnostic indication LED

• For status of the outputs Yes

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

•Temperature

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

• Air pressure acc. to

IEC 60068-2-13

- Permissible air pressure 1080 to 660 hPa

• Relative humidity

- Permissible range (without

condensation) at 25 °C

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

Permissible temperature change

5°C to 55°C, 3°C / minute

• Air pressure acc. to

IEC 60068-2-13

- Permissible air pressure 1080 to 795 hPa

• Pollutant concentrations

-SO

at RH < 60% without

condensation

: < 0.5 ppm;

S: < 0.1 ppm;

RH < 60% condensation-free

Degree of protection

IP20 Yes

Standards, approvals, certificates

CE mark Yes

C-TICK Yes

FM approval

Yes

Mechanics/material

Type of housing (front)

• Plastic Yes

Dimensions and weight

Dimensions

• Width 38 mm

•Height 62 mm

•Depth 21 mm

Weight

• Weight, approx. 40 g

6ES7 241-1CH30-1XB0

Product type designation CB 1241 RS485

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 121 122

SIMATIC S7-1200 1

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AMX AXP-AI8 ANALOG 8-INPUT BOARD Manuale Utente Pagina 98

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