Key Features
- Serial communications module: Communications module for serial connection RS-422 and RS-485.
- Protocol support: Supports Freeport, 3964 (R), USS, and MODBUS RTU master and slave.
- Rugged temperature range: Specified for -40…+70 °C, OT4 with ST1/2 (+85 °C for 10 minutes).
- Conformal coating: Supplied with conformal coating for the SIPLUS extreme RAIL version.
- Rail mounting: Rail mounting on the S7-1500 mounting rail.
Applications
- RS-422 and RS-485 serial device connection: Use for serial connection to RS-422 and RS-485 equipment.
- Modbus RTU network communication: Use for Modbus RTU master and slave communication over the serial interface.
- Freeport, 3964 (R), and USS serial data exchange: Use for serial telegram exchange with Freeport, 3964 (R), and USS communication.
Technical Summary
| Product type designation | CM PtP RS 422 / 485 HF |
|---|---|
| based on | 6ES7541-1AB00-0AB0 |
| Installation type/mounting | Rail mounting; Yes; S7-1500 mounting rail |
| Current consumption (rated value) | 43 mA; From the backplane bus |
| Power consumption from the backplane bus | 0.65 W |
| Power loss, typ. | 0.6 W |
| Inputs | 8 byte |
| RS 485 Transmission rate, max. | 115.2 kbit/s |
| RS 422 Transmission rate, max. | 115.2 kbit/s |
Frequently Asked Questions
What is Siemens 6AG2541-1AB00-4AB0?
It is a SIPLUS S7-1500 CM PTP RS422/485 TX rail communications module.
What serial interfaces does this module support?
It supports RS-422 and RS-485 serial connection.
What is the maximum transmission rate on RS 485 and RS 422?
The maximum transmission rate is 115.2 kbit/s for both RS 485 and RS 422.
How is the module mounted and powered?
It is rail mounted on the S7-1500 mounting rail and draws 43 mA from the backplane bus.
