Product information
Overview
Key Features
- Serial communication: Supports RS422 and RS485 serial connections with Freeport, 3964(R) and USS.
- Transmission rate: RS422 and RS485 transmission rate: max. 19.2 kbit/s.
- RS422 connection: Supports 4-wire full duplex connection; 4-wire multipoint connection: No.
- Telegram buffering: Buffer memory for telegrams: 2 kbyte; up to 255 telegrams can be buffered.
- Engineering and protocols: Configurable/integrated with STEP 7 TIA Portal from V12 / V12 and STEP 7 from V5.5 SP2 with GSD file; PROFINET from GSD version V2.3.
- Mounting and diagnostics: Rail mounting on an S7-1500 mounting rail, with diagnostics function, diagnostic alarm, wire-break diagnosis, and RUN, ERROR, Receive RxD and Transmit TxD LEDs.
Technical Summary
| Product type | CM PtP RS 422 / 485 BA |
|---|---|
| Serial interfaces | RS422, RS485 |
| Supported protocols | Freeport, 3964(R), USS |
| Transmission rate, max. | 19.2 kbit/s |
| Mounting | S7-1500 mounting rail |
Frequently Asked Questions
What is the exact product type of Siemens 6ES7540-1AB00-0AA0?
It is a SIMATIC S7-1500 CM PtP RS422/485 BA communication module for serial connections.
Which serial protocols does the module support?
It supports Freeport, 3964(R) and USS.
What are the maximum RS422 and RS485 transmission rates and cable lengths?
Both RS422 and RS485 support a maximum transmission rate of 19.2 kbit/s and a maximum cable length of 1 200 m.
How is the module mounted?
It has rail mounting on an S7-1500 mounting rail.
