Table 8.19 Generator breaker trip flowchart
Open GB
GB opened
No
Yes
GB tripped
Generator
breaker trip
Alarm
1. Open GB: When a trip is required, the controller activates the Breakers >
Generator breaker > Control > GB Open output to open the breaker.
2. GB opened: The controller checks whether the breaker has opened:
• If the breaker has opened, the trip is successful.
• If the breaker has not opened, the controller activates the GB opening failure
alarm.
8.6 Other GENSET controller functions
8.6.1 Temperature-controlled start & stop
You can use this optional function to prevent the engine from getting so cold that it cannot start. When the temperature falls below a
certain value, third party equipment must activate the digital input.
This function works in both AUTO and SEMI mode, but not when the controller is under Switchboard control.
Assign the input under Configure > Input/output > [Hardware module] > DI.
Function
I/O Type Details
Engine > Function > Temperature-
controlled start/stop
Digital input Continuous
Activated: The controller starts the engine.
Deactivated: The controller stops the engine if no other function
requires the engine to run.
8.6.2 Priming
The priming function activates an output at regular intervals while the engine is not running. Priming is not active while the engine is
starting or stopping. For example, priming can be used for an engine heater or lube oil pump. For the priming function, you must
configure the following output and parameters.
Inputs and outputs
Assign the priming output under Configure > Input/output. Select the hardware module, then select the output to configure.
Function
I/O Type Details
Engine > Control > Priming Digital output Continuous Optional. Use this output to prime the engine at regular intervals.
Parameters
To see these parameters, you must assign the Priming function to a digital output. Configure these parameters under Configure >
Parameters > Engine > Maintenance > Priming.
DESIGNER'S HANDBOOK 4189340911K UK Page 304 of 521
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