Operation | 5
Instruction Manual VACTEST DCC 400_EN_en 11 / 24
5.2 Operating the Gauge
The gauge is equipped with a status LED (see Interface Illustration [►4]) signalizes the
following operational states:
Normal operation / magnetron on (green LED continuously on)
Normal operation / magnetron off (green LED flashing slowly)
Error (red LED continuously on)
The setpoint LEDs are on when the related relay is activated.
For gauges with LCD display:
Operation error or malfunction the display is illuminated by a red background color.
5.3 Setpoints
The gauge features 2 independent, potential-free relay contacts that can be configured
via RS485 and VacTest explorer.
The 2 relays are controlled by the two setpoints SP1 and SP2.
Switch on
Relay active
Pressure
Time
Relay inactive
Switch off
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