Product information
Overview
Key Features
- Serial communication interfaces: Supports RS422 and RS485 serial connections, with 4-wire full duplex connection for RS422.
- Supported communication protocols: Supports Freeport, 3964 (R), USS and MODBUS RTU Master and Slave.
- Transmission and cable limits: Maximum transmission rate is 115.2 kbit/s for RS422 and RS485; maximum cable length is 1 200 m for both interfaces.
- MODBUS RTU capacity: Supports up to 32 devices, with an address area of 1 to 247 and extended 1 to 65535.
- Mounting and operating temperature: Mounts on an S7-1500 mounting rail. Ambient temperature during operation is 0 °C to 60 °C with horizontal installation and 0 °C to 40 °C with vertical installation.
Technical Summary
| Product type designation | CM PtP RS 422 / 485 HF |
|---|---|
| Serial interfaces | RS422 and RS485 |
| Supported protocols | Freeport, 3964 (R), USS, MODBUS RTU Master, Slave |
| Maximum transmission rate | 115.2 kbit/s for RS422 and RS485 |
| MODBUS RTU maximum devices | 32 |
| MODBUS RTU address area | 1 to 247, extended 1 to 65535 |
| RS422 connection | 4-wire full duplex |
| Mounting | S7-1500 mounting rail |
| Power consumption | 0.65 W from the backplane bus |
| Product lifecycle | Product cancellation |
Frequently Asked Questions
What is Siemens 6ES7541-1AB00-0AB0?
It is a SIMATIC S7-1500 CM PTP RS422/485 HF communication module for RS422 and RS485 serial connections.
Which protocols does 6ES7541-1AB00-0AB0 support?
It supports Freeport, 3964 (R), USS and MODBUS RTU Master and Slave.
What are the RS422 and RS485 transmission limits?
The maximum transmission rate is 115.2 kbit/s and the maximum cable length is 1 200 m for both RS422 and RS485.
How is this module mounted?
It mounts on an S7-1500 mounting rail.
What information should be included for a quotation request?
Include the required quantity, destination and any relevant project-list context for model-specific verification.
