TSC 900 TRANSFER SWITCH CONTROLLER
PM 151 REV 1 15/10/08 Thomson Power Systems
YES (ENABLED): If an abnormal operating condition is detected by the TSC
900 controller, a Transfer Switch Fail Alarm will be posted on the GHC display
and the controller will immediately force a transfer to the alternate source if
available and within nominal limits. Note: “The transfer switch will remain on
the alternate source indefinitely until the “Transfer Fail” alarm condition is
manually reset on the GHC Alarm page”.
5.10.11. GHC SLEEP MODE TIMEOUT
The GHC display will automatically turn off and go in to a “sleep” mode to preserve
display operating lifetime. The sleep mode will be activated if a key press is not
activated within the pre-set time period. Touching anywhere on the display will
automatically reactivate the GHC display screen.
5.10.12. LOAD POWER METERING
If the ATS was purchased with the LPM (Load Power Metering) Option, the power
metering can be enabled for display on the GHC by setting the value to YES.
5.10.13. MODBUS RTU
If the ATS was purchased with the Modbus serial (RTU) remote communication Option,
the com port on the GHC can be enabled by setting the value to YES.
5.10.14. MODBUS TCP/IP
If the ATS was purchased with the Modbus TCP/IP Ethernet remote communication
Option, the com port on the GHC can be enabled by setting the value to YES.
5.10.15. ENABLE SECURITY BYPASS
When the security bypass feature is enabled, it allows the ATS to be operated without
a security login. The TSC 900 is supplied from the factory with this feature enabled to
allow initial ATS operation during commissioning without the need for a security login. It
is recommended to disable this feature once the ATS is turned over to the end user so
that desired security passwords can be used. To enable the security bypass feature
set the value to YES.
5.10.16. FAIL TO AUTO SYNC ALARM
When the ATS is ordered with a Closed Transition option (i.e. ATS Model Code Digit
#13 “Operation Type” 3 or 4), and an external synchronizer is supplied, a fail to auto
sync alarm feature is available. When set to “YES” (i.e. enabled), it shall post an alarm
should the sources fail to auto synchronize after expiry of the Fail to Auto Sync timer
(i.e. programmable per Section #5.14.3). The alarm shall also activate the common
TSC 900 "Transfer Fail" alarm output.
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