Relay contact, SSR drive (Voltage pulse), or analog current (4-20mA).
This is a dry, normally open (NO) contact. It acts as a switch to control an external contactor coil. Do not route heavy heater currents directly through these terminals. xmtg-2000 temperature controller manual pdf
| Error Code | Meaning | Solution | | :--- | :--- | :--- | | HHH | Sensor open / input > range | Check thermocouple continuity. | | LLL | Sensor shorted / input < range | Replace sensor or check polarity. | | Er1 | Parameter loss | Reset by setting CLK = 128 (factory reset). | | Er2 | Autotune timeout | Increase system power or check heater load. | Relay contact, SSR drive (Voltage pulse), or analog