About

 Data Sheet: 6ES7241-1CH32-0XB0

Product: SIMATIC S7-1200, Communication module CM 1241, RS422/485, 9-pole D-sub (socket), supports Freeport

General Information

• Product type designation: CM 1241 RS 422 / 485

Supply Voltage

• Rated value (DC): 24 V

• Permissible range, lower limit (DC): 20.4 V

• Permissible range, upper limit (DC): 28.8 V

Input Current

• Current consumption, max.: 220 mA; From backplane bus 5 V DC

Power Loss

• Power loss, typ.: 1.1 W

Interfaces

• Interfaces/bus type: RS 422 / 485 (X.27)

• Number of interfaces: 1

• Point-to-point connection:

  • Cable length, max.: 1,000 m

• Integrated protocol driver:

  • Freeport: Yes

  • ASCII: Yes (Available as library function)

  • Modbus RTU master: Yes

  • Modbus RTU device: Yes

  • USS: Yes (Available as library function)

Protocols

• Integrated protocols:

  • Freeport

    • Telegram length, max.: 1 kbyte

    • Bits per character: 7 or 8

    • Number of stop bits: 1 (Standard), 2

    • Parity: No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0)

  • 3964 (R)

    • Telegram length, max.: 1 kbyte

    • Bits per character: 7 or 8

    • Number of stop bits: 1 (Standard), 2

    • Parity: No parity (standard); even, uneven, mark (parity bit always 1); space (parity bit always 0)

  • Modbus RTU master

    • Address area: 1 through 49,999 (Standard Modbus addressing)

    • Max. number of devices: 247; slave numbers 1 through 247, per MODBUS network segment maximum 32 devices, additional repeaters needed to expand the network to maximum configuration

  • Modbus RTU device

    • Address area: 1 through 49,999 (Standard Modbus addressing)

Interrupts / Diagnostics / Status Information

• Diagnostics function: Yes

• Diagnostics indication LED: For status of the outputs: Yes

Degree and Class of Protection

• IP degree of protection: IP20

Standards, Approvals, प्रमाणपत्रs

• CE mark: Yes

• CSA approval: Yes

• UL approval: Yes

• cULus: Yes

• FM approval: Yes

• RCM (formerly C-TICK): Yes

• KC approval: Yes

• Marine approval: Yes

Ambient Conditions

• Free fall: Fall height, max.: 0.3 m; five times, in product package

• Ambient temperature during operation:

  • Min.: -20 °C

  • Max.: 60 °C

  • Horizontal installation, min.: -20 °C

  • Horizontal installation, max.: 60 °C

  • Vertical installation, min.: -20 °C

  • Vertical installation, max.: 50 °C

  • Permissible temperature change: 5°C to 55°C, 3°C / minute

• Ambient temperature during storage/transportation:

  • Min.: -40 °C

  • Max.: 70 °C

• Air pressure acc. to IEC 60068-2-13:

  • Operation, min.: 795 hPa

  • Operation, max.: 1,080 hPa

  • Storage/transport, min.: 660 hPa

  • Storage/transport, max.: 1,080 hPa

• Relative humidity: Operation at 25 ℃ without condensation, max. 95 %

Dimensions

• Width: 30 mm

• Height: 100 mm

• Depth: 75 mm

Weights

• Weight, approx.: 155 g

Technical Details