Quick answer: The Siemens ET 200SP TM Count 2×24V (order code 6ES7138-6AA01-0BA0) is a Technology Module for the SIMATIC ET 200SP distributed I/O system. Up to 100 kHz counter, A/B encoder input, latch, gate, comparison output.
| Identification | |
| Module Name | TM Count 2×24V |
| Order Code (MLFB) | 6ES7138-6AA01-0BA0 |
| Module Type | Technology Module |
| I/O Characteristics | |
| Channel Count | 2 channels |
| Signal Type | Counter |
| Voltage / Range | 24V DC |
| Description | Up to 100 kHz counter, A/B encoder input, latch, gate, comparison output. |
| 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 |