Technical Summary
| Product type designation | CM PtP RS 232 HF |
|---|---|
| RS 232 transmission rate, max. | 115.2 kbit/s |
| Modbus RTU master address area | 1 to 247, extended 1 to 65535 |
| Telegram buffer memory | 8 kbyte |
| Buffered telegrams | 255 |
| Power consumption from the backplane bus | 0.75 W |
| Current consumption (rated value) | 50 mA; From the backplane bus |
| Rail mounting | Yes; S7-1500 mounting rail |
Key Features
SIMATIC S7-1500 communications module
CM PtP RS 232 HF for the SIMATIC S7-1500 series.
CM PtP RS 232 HF for the SIMATIC S7-1500 series.
RS-232 serial connection
Designed for serial connection RS-232 with a 9-pin D-sub plug.
Designed for serial connection RS-232 with a 9-pin D-sub plug.
Supported serial functions
Freeport, 3964 (R), USS, Modbus RTU master, and device.
Freeport, 3964 (R), USS, Modbus RTU master, and device.
Transmission rate
115200 Kbps maximum transmission rate.
115200 Kbps maximum transmission rate.
Installation
Rail mounting on the S7-1500 mounting rail.
Rail mounting on the S7-1500 mounting rail.
Isolation
Potential separation between backplane bus and interface; isolation tested with 707 V DC (type test).
Potential separation between backplane bus and interface; isolation tested with 707 V DC (type test).
Applications
RS-232 serial connection
Serial connection to external RS-232 devices.
Serial connection to external RS-232 devices.
Modbus RTU master communication
Communication with Modbus RTU devices in master mode.
Communication with Modbus RTU devices in master mode.
Frequently Asked Questions
What is 6ES7541-1AD00-0AB0?
It is a SIMATIC S7-1500 CM PtP RS 232 HF communications module.
Which serial functions does the 6ES7541-1AD00-0AB0 support?
It supports Freeport, 3964 (R), USS, Modbus RTU master, and device functions.
What is the maximum RS-232 transmission rate and cable length?
The maximum RS-232 transmission rate is 115.2 kbit/s, and the maximum cable length is 15 m.
How is the module mounted and what are its dimensions?
It uses rail mounting on the S7-1500 mounting rail. The dimensions are 35 mm wide, 147 mm high, and 127 mm deep.
What are the power and current values for this module?
Current consumption is 50 mA from the backplane bus, and power consumption from the backplane bus is 0.75 W.
