Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | 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 |
| MODBUS RTU maximum devices | 32 |
| Connection | 15-pin D-sub socket |
| Mounting | S7-1500 mounting rail |
| Power consumption from backplane bus | 0.65 W |
Applications
- Serial data communication: Provides serial communication through RS422 and RS485 using Freeport, 3964 (R), USS, or MODBUS RTU Master/Slave.
- MODBUS RTU master communication: Communicates with up to 32 devices as a MODBUS RTU master.
- Serial connection diagnostics: Provides diagnostic alarms, wire-break diagnosis, and status indication through LEDs.
Key Features
- Serial communication: Supports RS422 and RS485 serial connections, Freeport, 3964 (R), USS, and MODBUS RTU Master/Slave.
- Transmission rate: RS422 and RS485 transmission rate: maximum 115.2 kbit/s.
- RS422 connection: Supports 4-wire full duplex connection; 4-wire multipoint connection is not supported.
- MODBUS RTU capacity: Supports up to 32 devices, with address area 1 to 247 and extended 1 to 65535.
- Diagnostics: Provides diagnostics, diagnostic alarms, wire-break diagnosis, and green RUN, red ERROR, yellow Receive RxD, and yellow Transmit TxD LEDs.
- Connection and mounting: Has a 15-pin D-sub socket and supports S7-1500 mounting rail installation.
Frequently Asked Questions
1. What serial interfaces does Siemens 6ES7541-1AB00-0AB0 support?
It supports RS422 and RS485 serial connections.
2. Which protocols are supported?
It supports Freeport, 3964 (R), USS, and MODBUS RTU Master/Slave.
3. What is the maximum transmission rate?
The maximum transmission rate for RS422 and RS485 is 115.2 kbit/s.
4. How is the module connected and mounted?
It has a 15-pin D-sub socket and supports S7-1500 mounting rail installation.
