About Siemens S7-1200 CM1241 RS422 485 Communication Module

NAKSH TECHNOLOGY We have excellent range of Siemens PLC S7-1200which have an excellent designs and they provide a high quality of integration between the controllers and provide an effective performance to the clients. It offers very accurate and precise carrying out of the automation tasks.

Features

• Scalable and flexible designs
• Reasonable price
• Reliable
• Integrated Profinet System
• PID Functionality for close looped systems

SIMATIC S7-1200 CM 1241 (RS422/485 Communication Module)

General Information

• Product type designation: CM 1241 RS 422 / 485

• Connector: 9-pole D-sub (socket)

• Supports Freeport

Supply Voltage

• Rated value: 24 V DC

• Permissible range: 20.4 28.8 V DC

• Max input current: 220 mA

• Power loss: typ. 1.1 W

Interfaces

• Type: RS 422 / 485 (X.27)

• Number of interfaces: 1

• Cable length (point-to-point): max 1,000 m

Integrated Protocol Drivers

• Freeport

• ASCII (library function)

• Modbus RTU master & device

• USS (library function)

Protocol Details

Freeport / 3964(R)

• Max telegram length: 1 kByte

• Bits per character: 7 or 8

• Stop bits: 1 (standard), 2

• Parity: none (standard); even, odd, mark, space

Modbus RTU Master

• Address area: 1 49,999

• Max devices: 247 (32 devices per MODBUS segment, use repeaters for more)

Modbus RTU Device

• Address area: 1 49,999

Diagnostics

• Diagnostics function: Yes

• LED indication for status: Yes

Degree of Protection

• IP20

Standards / Approvals

• CE, CSA, UL, cULus, FM, RCM, KC, Marine

Ambient Conditions

• Free fall: max 0.3 m, five times in package

• Operating temperature: 20 C to 60 C (horizontal), 20 C to 50 C (vertical)

• Permissible temperature change: 3 C/min

• Storage / transport: 40 C to 70 C

• Air pressure:

  • Operation: 7951080 hPa

  • Storage/Transport: 6601080 hPa

• Relative humidity: max 95% at 25 C, non-condensing

Mechanical Data

• Dimensions: W 30 mm H 100 mm D 75 mm

• Weight: 155 g 

Technical Details