Key Features
- Serial communication module: CM PTP RS232 BA communication module for serial connection RS232.
- Supported protocols: Freeport, 3964 (R), and USS.
- RS 232 transmission rate: 19.2 kbit/s.
- Connector: 9-pin D-sub connector.
- Diagnostics and indication: Diagnostics function, diagnostic alarm, wire break detection, RUN LED, ERROR LED, Receive RxD, and Transmit TxD LEDs.
- Mounting and isolation: Rail mounting on the S7-1500 mounting rail, with potential separation between backplane bus and interface and 707 V DC isolation tested.
Applications
- RS 232 serial connection: Serial connection to RS 232 devices or systems.
- Freeport telegram communication: Freeport communication with telegram handling over the RS 232 interface.
Technical Summary
| Product type designation | CM PtP RS 232 BA |
|---|---|
| Engineering with STEP 7 TIA Portal | V12 / V12 |
| Engineering with STEP 7 | V5.5 SP2 with GSD file |
| PROFINET from GSD version/GSD revision | V2.3 |
| Rail mounting | Yes; S7-1500 mounting rail |
| Input current | 50 mA; From the backplane bus |
| Power consumption from the backplane bus | 0.75 W |
| RS 232 transmission rate, max. | 19.2 kbit/s |
| Buffer memory for telegrams | 2 kbyte |
Frequently Asked Questions
What is Siemens 6ES7540-1AD00-0AA0?
It is a CM PtP RS 232 BA communication module for serial connection RS232.
What interfaces and protocols does this module support?
It supports RS 232, Freeport, 3964 (R), and USS.
What is the maximum RS 232 transmission rate and cable length?
The maximum RS 232 transmission rate is 19.2 kbit/s, and the maximum cable length is 15 m.
What should be checked for installation and power selection?
The module is rail mounted on the S7-1500 mounting rail, uses 50 mA from the backplane bus, and has 0.75 W power consumption from the backplane bus.
