Parameter Range Default Description
for the engine temperature Coolant
Temp Threshold).
Engine Coolant Temp
Threshold
10 to 300 °C 25 °C
The coolant temperature the engine must reach
during pre-heat.
6.7 Other functions
6.7.1 Maintenance timer
The controller has one timer to monitor maintenance intervals.
The timer function is based on engine running hours or a due date. When the adjusted timer expires, the controller displays
an alarm.
To configure the maintenance timer, push and hold the Stop button to go to the Configuration menu. Select Maintenance.
Configuration menu > Maintenance
Parameter text
Range Default
Alarm Action
None
Notification
Warning
None
Due At Engine Hours 0 to 65000 hours 250 hours
Alarm Due Date - Today's date
6.7.2 Keyswitch
Output function
You can configure the keyswitch function with the smart connect software. Go to Outputs and configure one of the outputs
as Keyswitch.
Wiring
Wire the keyswitch relay output to the ECU power. When the relay is open, the ECU has no power.
How it works
For the first 5 seconds after the SGC controller is powered on, the keyswitch relay is open.
How the keyswitch functions works:
1. There is an engine stop command.
2. The Cooling down timer starts.
3. When the cooling down timer expires, the SGC starts the Extended stop timer, and opens the keyswitch relay.
4. The relay is open until the extended stop timer expires.
User manual 4189341340A EN
Page 63 of 76
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