Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Module type | SIMATIC DP electronics module for ET 200S |
| SSI encoder connections | 1 |
| SSI operation | 25 bit/1 MHz |
| Digital inputs | 1 |
| SSI input signal | to RS-422 |
| Encoder supply | 24 V; output current, max. 500 mA |
| Load voltage L+ | Rated value (DC): 24 V; permissible range: 20.4 V to 28.8 V |
Applications
- Absolute encoder connection: Connects an absolute encoder to an SSI Synchronous Serial Interface for synchronous serial position-value acquisition.
Key Features
- SSI encoder connection: Connects 1 absolute encoder with SSI Synchronous Serial Interface.
- Encoder signal interface: SSI input signal to RS-422 with 25 bit/1 MHz operation and parameterizable telegram lengths of 13, 14, 16, 21, 24 & 25 bit.
- Digital input: Has 1 digital input; signal "0": -30 to +5 V and signal "1": +11 to +30V.
- Encoder supply: Provides 24 V encoder supply with short-circuit protection and output current up to 500 mA.
- Diagnostics: Includes red Group error SF, green digital input, forward counting, and backward counting LEDs.
- Installation dimensions: Measures 15 mm wide, 81 mm high, and 52 mm deep; approximate weight is 40 g.
Frequently Asked Questions
1. How many SSI encoders can the 6ES7138-4DB03-0AB0 connect?
It can connect 1 absolute encoder with SSI.
2. What SSI signal interface does the module use?
The SSI input signal is to RS-422.
3. Which SSI telegram lengths are parameterizable?
Telegram lengths of 13, 14, 16, 21, 24 & 25 bit are parameterizable.
4. What supply does the module provide for the encoder?
The encoder supply is 24 V with short-circuit protection and output current up to 500 mA.
