This manual provides the technical data, terminal assignments, and safety information for the Siemens SIMATIC ET 200S 2DI DC24V ST digital I/O module (6ES7131-4BB01-0AA0). It is intended for qualified personnel who perform installation, commissioning, and maintenance of the module.
The document includes a block diagram, detailed electrical characteristics, LED diagnostic indications, and a list of compatible terminal modules. It also contains contact information for technical support and recycling instructions. This manual is written in Chinese.
| Rated input voltage | 24 VDC |
|---|---|
| Number of inputs | 2 |
| Module width | 15 mm |
| Weight | ≈ 35 g |
| Power consumption | ≈ 0.4 W |
| Maximum unshielded cable length | 600 m |
| Maximum shielded cable length | 1,000 m |
| Input voltage range (signal 1) | 15 V to 30 V |
| Input voltage range (signal 0) | -30 V to 5 V |
| Typical input current (signal 1) | 7 mA |
| Output current rating | 500 mA |
| Isolation voltage between circuits | 75 VDC / 60 VAC |
| Insulation test voltage | 500 VDC |
The module is rated for an input voltage of 24 VDC.
It provides two digital inputs.
The module typically consumes about 0.4 W.