Product Overview
Technical Summary
| Product type designation | CM PtP RS 422 / 485 HF |
|---|---|
| Serial connections | RS422 and RS485 |
| Maximum transmission rate | 115.2 kbit/s |
| MODBUS RTU modes | Master and Slave |
| MODBUS RTU maximum number of 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 from backplane bus | 0.65 W |
| Product lifecycle | Product cancellation |
Key Features
- Product type: CM PtP RS 422 / 485 HF communication module.
- Serial protocols: Freeport, 3964 (R), USS, MODBUS RTU Master, and MODBUS RTU Slave.
- RS422 and RS485 interfaces: RS422 and RS485 serial connections; maximum transmission rate: 115.2 kbit/s.
- Communication capacity: MODBUS RTU maximum number of devices: 32; address area: 1 to 247, extended 1 to 65535.
- Mounting and connection: S7-1500 mounting rail; 4-wire full duplex connection for RS422.
- Diagnostics and operation: Diagnostics function, diagnostic alarm, wire-break diagnosis, RUN LED, ERROR LED, Receive RxD LED, and Transmit TxD LED.
Applications
- Serial communication: Provides serial communication through RS422 and RS485 connections using Freeport, 3964 (R), USS, and MODBUS RTU.
- MODBUS RTU communication: Operates as a MODBUS RTU Master or Slave with up to 32 devices.
Frequently Asked Questions
What product does 6ES7541-1AB00-0AB0 identify?
It identifies a SIMATIC S7-1500 CM PtP RS422/485 HF communication module.
Which serial interfaces and protocols does this module provide?
It provides RS422 and RS485 connections with Freeport, 3964 (R), USS, MODBUS RTU Master, and MODBUS RTU Slave functions.
What specifications distinguish this communication module?
The maximum transmission rate is 115.2 kbit/s, MODBUS RTU supports up to 32 devices, and RS422 supports a 4-wire full duplex connection.
What mounting details should be checked?
The module uses an S7-1500 mounting rail and has dimensions of 35 mm x 147 mm x 127 mm.
What quantity and destination are needed for a quotation?
Provide the required quantity and destination when requesting a quotation.
