Key Features
- RS-232 communication module: CM PtP RS-232 HF communications module for serial connection RS-232.
- Multiple serial protocols: Supports Freeport, 3964 (R), USS, and Modbus RTU master or device communication.
- Selection-critical interfaces and diagnostics: 9-pin D-sub plug, diagnostics function, diagnostic alarm, and LED status indication for RUN, ERROR, RxD, and TxD.
- Engineering and installation: Configurable/integrated in STEP 7 TIA Portal from V12 / V12 and mounted on the S7-1500 mounting rail.
Applications
- RS-232 serial connection: Serial connection over RS-232.
- Modbus RTU communication: Modbus RTU master or device communication.
- Freeport communication: Freeport telegram-based serial communication.
- 3964 (R) and USS communication: Serial communication using 3964 (R) or USS.
Technical Summary
| Product type designation | CM PtP RS 232 HF |
|---|---|
| Product function | I&M data: Yes; I&M 0 |
| Engineering with STEP 7 TIA Portal | V12 / V12 |
| Engineering with STEP 7 | V5.5 SP2 with GSD file |
| Rail mounting | Yes; S7-1500 mounting rail |
| Current consumption (rated value) | 50 mA; From the backplane bus |
| Power consumption from the backplane bus | 0.75 W |
| Power loss, typ. | 0.6 W |
| Transmission rate, max. | 115.2 kbit/s |
| RS 232 auxiliary signals | RTS, CTS, DTR, DSR, RI, DCD |
| – Number of telegrams which can be buffered | 255 |
| – Address area | 1 to 247, extended 1 to 65535 |
Frequently Asked Questions
What is the Siemens 6ES7541-1AD00-0AB0 module used for?
It is a CM PtP RS-232 HF communications module for serial connection RS-232.
Which communication functions does 6ES7541-1AD00-0AB0 support?
It supports Freeport, 3964 (R), USS, and Modbus RTU master or device communication.
What are the key RS-232 specifications of this module?
The maximum transmission rate is 115.2 kbit/s, and the maximum cable length is 15 m.
What installation and engineering details should be checked for this module?
It is mounted on the S7-1500 mounting rail and is configurable/integrated in STEP 7 TIA Portal from V12 / V12.
What diagnostics and interface signals are available on 6ES7541-1AD00-0AB0?
It includes diagnostics function, diagnostic alarm, and LED indication for RUN, ERROR, RxD, and TxD, plus RS 232 auxiliary signals RTS, CTS, DTR, DSR, RI, and DCD.
