Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | SIMATIC ET 200S electronics module |
| Serial interface | 1 SI serial interface |
| Supported interfaces | RS232/422 and RS485 |
| Protocol drivers | 3964 (R) and ASCII |
| Rated supply voltage | 24 V DC |
| Maximum input current from supply voltage L+ | 120 mA |
| Maximum transmission rate | 115.2 kbit/s |
Key Features
- Serial interface: 1 SI serial interface supports RS232/422 and RS485 with 3964 (R) and ASCII protocol drivers.
- Transmission rate: Maximum transmission rate is 115.2 kbit/s for RS232 and RS422/485, with half-duplex or full-duplex modes depending on protocol.
- Supply and protection: Rated supply voltage is 24 V DC, with reverse polarity protection and maximum input current of 120 mA from supply voltage L+.
- Diagnostics: LED indications are provided for Receive RxD, Transmit TxD, and group error SF (red).
- Dimensions and weight: Dimensions are 15 mm wide, 81 mm high, and 52 mm deep; weight is approximately 50 g.
- Cable lengths: Maximum cable length is 15 m for RS232 and 1 200 m for RS485.
Frequently Asked Questions
1. How many serial interfaces does 6ES7138-4DF01-0AB0 have?
It has 1 SI serial interface.
2. Which interfaces and protocols does this module support?
It supports RS232/422 and RS485, with 3964 (R) and ASCII protocol drivers.
3. What supply voltage does the module require?
The rated supply voltage is 24 V DC.
4. What cable lengths are supported?
The maximum cable length is 15 m for RS232 and 1 200 m for RS485.
