Quick answer: The Siemens ET 200SP DI 16×24VDC ST (order code 6ES7131-6CH01-0BA0) is a Digital Input for the SIMATIC ET 200SP distributed I/O system. Double-density digital input, compact for high channel count applications.
| Identification | |
| Module Name | DI 16×24VDC ST |
| Order Code (MLFB) | 6ES7131-6CH01-0BA0 |
| Module Type | Digital Input |
| I/O Characteristics | |
| Channel Count | 16 channels |
| Signal Type | 24V DC |
| Voltage / Range | 24V DC |
| Description | Double-density digital input, compact for high channel count applications. |
| General | |
| System Compatibility | SIMATIC ET 200SP (PROFINET / PROFIBUS station) |
| Compatible Controllers | S7-1500, S7-1200, S7-300/400 (via IM interface module) |
| Operating Temperature | -30°C to +60°C |
| Supply Voltage | 24V DC (via ET 200SP backplane / PM module) |
| Protection Rating | IP20 |