Product Overview
Technical Summary
| Product type designation | CB 1241 RS 485 |
|---|---|
| Interface | RS 485 |
| Number of interfaces | 1 |
| Transmission rate, max. | 250 kbit/s |
| Integrated protocol drivers | Freeport; ASCII; Modbus RTU master; Modbus RTU device; USS |
| Connection | Push-in terminal block |
| Input current from backplane bus, typ. | 75 mA at 5 V DC |
| Power loss, typ. | 0.4 W |
| Protection | IP20 |
Key Features
1 RS485 interface with a maximum transmission rate of 250 kbit/s.
Supports Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS; ASCII and USS are available as library functions.
Maximum cable length: 1 000 m.
The supplied description identifies the board with a push-in terminal block.
Input current from the backplane bus is 75 mA typ.; power loss is 0.4 W typ.
IP20 protection; packaging dimensions are 83.00 x 36.00 x 80.00 mm, with a net weight of 0.043 kg.
Frequently Asked Questions
What exact communication board is 6ES7241-1CA50-0XB0?
It is a SIMATIC S7-1200 G2 CB 1241 Communication Board, product type designation CB 1241 RS 485.
Which interface and terminal does the board have?
It has 1 RS485 interface and a push-in terminal block.
What is the maximum RS485 transmission rate and cable length?
The maximum transmission rate is 250 kbit/s, and the maximum cable length is 1 000 m.
Which protocol drivers are supported?
Freeport, ASCII, Modbus RTU master, Modbus RTU device, and USS are supported. ASCII and USS are available as library functions.
What should I provide for a quotation request?
Provide the requested quantity, destination, schedule context, and any additional BOM lines.
