Quick answer: The Siemens ET 200SP AI 2×I 4-wire ST (order code 6ES7134-6FB01-0BA1) is a Analog Input for the SIMATIC ET 200SP distributed I/O system. For 2-channel current loop sensors, 16-bit.
| Identification | |
| Module Name | AI 2×I 4-wire ST |
| Order Code (MLFB) | 6ES7134-6FB01-0BA1 |
| Module Type | Analog Input |
| I/O Characteristics | |
| Channel Count | 2 channels |
| Signal Type | Current |
| Voltage / Range | 0-20mA / 4-20mA |
| Description | For 2-channel current loop sensors, 16-bit. |
| 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 |