Product Summary
Siemens 6ES7550-1AA01-0AB0 is a SIMATIC S7-1500 TM Count 2x24V technology module for high-speed counting, measurement and position-related signal processing. It provides two channels for 24 V incremental encoders or pulse encoders, with three parameterizable digital inputs and two digital outputs per channel. The module supports isochronous operation, frequency measurement up to 800 kHz, period measurement and velocity evaluation. It mounts on an S7-1500 rail and can also operate in supported distributed configurations. Before procurement, verify the complete suffix, firmware, engineering version, encoder signal type, channel wiring and application mode.
