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6.11 Set Maintain
This menu controls the service feature that is used to alert the user of required generator
maintenance and can be enabled or disabled from this menu. If enabled, the count
interval menu allows the user to set the number of hours until next service. The number
of hours to next service is displayed in the Basic Setup menu under Maintenance (see
Table 5 on page 30).
Once the count interval reaches 0 hours it displays a service message, records an event in
the Event History Log, and continues to count down, displaying negative hours in the
Maintenance submenu, until it is reset by the technician. The reset counter submenu is
used by the technician to reset the counter after service is performed. The service feature
does not count down to the next service until it is reset in this menu.
6.12 Set Modbus
The GSC400 acts as a slave on a Modbus RS-485 network and can – on request by the
master device – remotely transmit warning, failure, and event indications. The device
address and baud rate can be set from this menu.
See Appendix B: Modbus Map for more communication interface details.
6.13 Common Faults
Common Fault 1 and Common Fault 2 menus contain tables of all the events,
warnings, and failures available in the GSC400 controller and allows the user to select
those to generate a trigger when active. The trigger can be used to turn on a digital
output, store the status of the trigger (active / inactive) to the Modbus Common Fault
registers, or both. Both the common fault 1 and common fault 2 menus generate their
own independent trigger and use separate modbus registers and digital outputs.
A digital output must be set to Common Fault Output 1 if using the Common Fault 1
menu or Common Fault Output 2 if using the Common Fault Output 2 menu to allow
the trigger to turn on the digital output (see section 6.6 Digital Output Setup).
Using the PC Interface, the user can also mask the event, warning, and failure tables for
each of the common faults. For example the user can set the Common Fault 1 modbus
register to respond to events, warnings, and failures and set the Common Fault 1 digital
output to respond to failures only. This configuration is not available in the front panel
menu system; the PC Interface must be used.
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