About Siemens S7-1200 CB1241 RS485 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

Data Sheet: 6ES7241-1CH30-1XB0

SIMATIC S7-1200 Communication Board CB 1241 (RS485, Terminal Block, Freeport)

General Information

• Product type designation: CB 1241 RS 485

Input Current

• From backplane bus (5 V DC): typ. 50 mA

Power Loss

• Power loss, typ.: 1.5 W

Interfaces

Point-to-Point Connection

• Cable length (max.): 1,000 m

Integrated Protocol Drivers

• Freeport: Yes

• ASCII: Yes (library function)

• Modbus RTU master: Yes

• Modbus RTU device: Yes

• USS: Yes (library function)

Protocols

Freeport

• Telegram length (max.): 1 kbyte

• Bits per character: 7 or 8

• Stop bits: 1 (standard) or 2

• Parity:

  • No parity (standard)

  • Even, uneven

  • Mark (parity bit = 1)

  • Space (parity bit = 0)

3964 (R)

• Telegram length (max.): 1 kbyte

• Bits per character: 7 or 8

• Stop bits: 1 (standard) or 2

• Parity options: Same as Freeport

Modbus RTU Master

• Address area: 149,999

• Max. devices: 247

• Slave numbers: 1247

• Max. 32 devices per segment; repeaters needed for full expansion

Modbus RTU Device

• Address area: 149,999

Diagnostics / Status

• Diagnostics function: Yes

Protection

• Degree of protection: IP20

Standards, Approvals, Certificates

• CE mark: Yes

• CSA approval: Yes

• UL approval: Yes

• cULus: Yes

• FM approval: Yes

• RCM (C-TICK): Yes

• KC approval: Yes

• Marine approval: Yes

Ambient Conditions

Free Fall

• Max. 0.3 m (five times, in package)

Operating Temperature

• Min.: 20 C

• Max.: 60 C

• Vertical installation max.: 50 C

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

Storage / Transport Temperature

• Min.: 40 C

• Max.: 70 C

Air Pressure (IEC 60068-2-13)

• Operation: 795 hPa to 1080 hPa

• Storage/transport: 660 hPa to 1080 hPa

Humidity

• At 25 C without condensation: max. 95 %

Mechanics / Material

• Front enclosure material: Plastic

Dimensions

• Width: 38 mm

• Height: 62 mm

• Depth: 21 mm

Weight

• Approx.: 40 g 

Technical Details