6ES7241-1CH30-1XB0

Product Overview

The 6ES7241-1CH30-1XB0 is a SIMATIC S7-1200 Communication Board CB 1241 with RS485 interface and terminal block, supporting Freeport, ASCII, Modbus RTU, and USS protocols.

Input Current & Power Loss

• from Backplane Bus (5V DC): 50 mA typ
• Power Loss: 1.5 W typ

Interfaces

• Point‑to‑point Connection: Cable length up to 1,000 m
• Integrated Protocol Drivers: Freeport, ASCII (library), Modbus RTU master/slave, USS (library)

Freeport Protocol

• Telegram Length: 1 KB max
• Bits per Character: 7 or 8
• Stop Bits: 1 (standard) or 2
• Parity: None (standard), even, odd, mark, space

Environmental Specifications

• Storage/Transport Temperature: –40°C to +70°C
• Relative Humidity (at 25°C, non‑condensing): 95% max

Physical Specifications

• Width: 38 mm
• Height: 62 mm
• Depth: 21 mm
• Weight: approx. 40 g

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