Zkteco's access control thermographic terminals can be configured so that their alarm output is activated when a reading with incorrect temperature feedback is taken.
The alarm output is an open dry contact that will be closed when the alarm event occurs:
The following option must be activated in the terminal, which will activate the alarm output when reading with excessive temperature: "Activate external alarm"
Once the option is activated, when it detects a temperature above the set temperature the alarm output will be activated and kept closed until a person with normal temperature is registered (or deactivated from the software).