Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | CM PtP RS 422 / 485 BA |
| Serial interfaces | RS422 and RS485 |
| Maximum transmission rate | 19.2 kbit/s for RS422 and RS485 |
| Supported serial protocols | Freeport, 3964 (R), USS |
| RS422 connection | 4-wire full duplex |
| Connector | 15-pin D-sub socket |
| Telegram buffer memory | 2 kbyte |
| Buffered telegrams | 255 |
| Mounting | S7-1500 mounting rail |
Key Features
- Serial communication: Supports RS422 and RS485 serial connections, Freeport, 3964 (R), and USS.
- Transmission rate: Maximum transmission rate is 19.2 kbit/s for RS422 and RS485.
- Cable length: Maximum cable length is 1 200 m for RS422 and RS485.
- Connection: Provides a 15-pin D-sub socket and supports 4-wire full duplex RS422 connection.
- Telegram handling: Freeport telegram length is maximum 1 kbyte; buffer memory is 2 kbyte for up to 255 telegrams.
- Installation and diagnostics: Has S7-1500 mounting-rail installation, I&M 0 data, fast startup, diagnostic alarms, wire-break diagnosis, and RUN, ERROR, RxD, and TxD LEDs.
Frequently Asked Questions
1. Which serial interfaces does the 6ES7540-1AB00-0AA0 support?
It supports RS422 and RS485 serial connections, with Freeport, 3964 (R), and USS.
2. What are the maximum transmission rate and cable length?
The maximum transmission rate is 19.2 kbit/s, and the maximum cable length is 1 200 m for both RS422 and RS485.
3. How is the communication module connected and mounted?
It has a 15-pin D-sub socket and is mounted on an S7-1500 mounting rail.
