The Siemens SIMATIC ET 200SP, TM count 1×24 V counter module, article number 6ES7138-6AA01-0BA0, is a technology module designed for the SIMATIC ET 200SP distributed I/O system. It provides one high-speed counting channel for 24 V incremental encoder and pulse encoder signals, as well as three digital inputs and two transistor digital outputs. This combination allows the module to handle counting, measurement, and control tasks within compact and modular automation systems.
The Siemens 6ES7138-6AA01-0BA0 counter module is used in automation systems where precise counting and measurement of pulses or incremental encoder signals is required. Typical applications include position and speed monitoring, length measurement, and event counting in machines, conveyors, packaging systems, and other industrial automation environments using ET 200SP distributed I/O.
| Degree of protection (IP) | IP20 |
| Depth | 58 mm |
| Explosion safety category for dust | None |
| Frequency measurement | Yes |
| Height | 73 mm |
| Rail mounting possible | Yes |
| Suitable for counting | Yes |
| Suitable for electronic positioning | Yes |
| Suitable for incremental data detection | Yes |
| Supply voltage DC | 28.8 V |
| System accessory | Yes |
| Voltage type (supply voltage) | DC |
| Width | 15 mm |
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