Key Features
- SSI absolute encoder interface: Electronics module for ET 200S with connection of absolute value encoders with SSI Synchronous Serial Interface.
- 1 SSI, 25 bit/1 MHz: Provides 1 SSI channel with 25 bit and 1 MHz.
- Digital input and comparison value function: Includes DI and comparison value with clock synchronization.
- Compact module width: Width: 15 mm.
- Diagnostics indication: Group error SF (red): Yes; status indicator digital input (green): Yes; status indicator forward counting (green): Yes; status indicator backward counting (green): Yes.
Applications
- SSI absolute encoder connection: Connection of absolute value encoders with SSI Synchronous Serial Interface.
- Clock-synchronized comparison value handling: Comparison value handling with clock synchronization.
Technical Summary
| Product type | Electronics module for ET 200S |
|---|---|
| Interface | SSI Synchronous Serial Interface |
| SSI channels | 1 |
| SSI resolution and rate | 25 bit/1 MHz |
| Digital inputs | 1 |
| Load voltage L+ | 24 V |
| Load voltage L+ permissible range | 20.4 V to 28.8 V |
| Encoder supply | 24 V |
| Encoder supply output current | 500 mA |
| Absolute encoder (SSI) input signal | to RS-422 |
Frequently Asked Questions
What is Siemens 6ES7138-4DB03-0AB0 used for?
It is an electronics module for ET 200S for connection of absolute value encoders with SSI Synchronous Serial Interface.
How many SSI channels does 6ES7138-4DB03-0AB0 provide?
It provides 1 SSI channel.
What SSI data and speed are specified for 6ES7138-4DB03-0AB0?
The module is specified for 25 bit/1 MHz.
What power and encoder supply values are listed for this module?
Load voltage L+ is 24 V with a permissible range of 20.4 V to 28.8 V, and the encoder supply is 24 V with an output current of 500 mA.
What installation detail should be checked for the encoder connection?
The shielded cable length is 320 m at 125 kHz, and the module width is 15 mm.
