General Information
HTS is in Time Delayed Neutral position.
This is a typical third Internal Exercise and HTS page.
LINE 1: The left side shows the HTS switch number that the data on this page applies to. This field is editable in that switch numbers 1 – 4 can be selected. The Switch number selected on this page also selects the switch to use for the Left Display Switch Mimic diagram if that switch is enabled. In addition, it is the selected switch number for the next page, and for the remote annunciator lights for generator power and line power. The right side of the first line is the mode that the HTS is in. It can have the following values:
“Disabled”
This switch is not present in the system.
“Enabled”
This switch is present in the system and operating normally.
“Fast Test”
The “FAST TEST” button on the HTS has been pressed and fast test is being executed.
“Norm Test”
The “TEST” button on the HTS has been pressed and normal test is being executed.
“No Comms”
This switch is present in the system, but not com- municating.
“Xfer Exer”
The system is running in exercise and is exercising the HTS as well.
“Exercise”
The system is running in exercise, but is not exercis- ing the HTS.
LINE 2: The left side is the status of the HTS. It can have the following values:
“Idle”
HTS is waiting for conditions to change. No action is being taken.
“Error”
HTS controller has detected an error.
“TDN”
“Synching”
HTS is waiting for Generator and Utility to become synchronized before changing switch position.
“SB4 Xfer”
HTS has activated the “Signal Before Transfer” relay.
“Cls Gen SW”
HTS is closing the Generator side of the switch.
“Cls Util SW”
HTS is closing the Utility side of the switch.
“Opn Gen SW”
HTS is opening the Generator side of the switch.
“Opn Util SW”
HTS is opening the Utility side of the switch.
“No Utl/Coms”
HTS has detected loss of utility and communications with the
“No Comms”
HTS has detected utility present, but loss of commu- nications with the
“Pwr Cycled”
HTS has been power cycled and is awaiting recon- figuration commands from
“SW Disabled”
HTS indicates that it is disabled.
The right side is the Utility frequency from the HTS in Hz.
LINE 3: The HTS backup battery voltage in Volts DC followed by the Utility voltage from the HTS in Volts RMS.
LINE 4: The HTS firmware version number followed by the “More” field to allow page selection.
Press the “ENTER” button.
This is a typical fourth Internal Exercise and HTS page. The left side of the first line shows the HTS switch number that the data on this page applies to. This field is editable in that switch numbers 1 – 4 can be selected. The Switch number selected on this
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