The Siemens LOGO! 8 series logic module has 2 digital inputs and 2 transistor outputs with a contact rating of 5.5mA. This DIN rail mount logic module has a screw termination method. The logic module has a supply voltage that ranges between 12VDC and 24VDC. The communication module from Siemens allows the user to control the LOGO! 0BA8 series logic module via SMS commands from a mobile phone and receive alarms and status data. It is designed for extended functionality. This module can also communicate via SMS to monitor and control the distributed systems.

GPS position detection and tracking
Time-of-day synchronization and forwarding
Configuration/Diagnostics via a web interface
Read/Write access to LOGO!-variables
Slot for SIM and microSD card
Configuration and diagnose per web interface
1 RJ45 port for an industrial Ethernet connection
Link-status and transfer of data per port
Simple diagnosis via LED for supply voltage

Level monitoring
Building management technology
Control and monitoring pump stations

IP20 rated