Example of a typical LCD display screen is show below:
Meaning of this screen contents:
Total no. of banks connected is 16.
Power Factor at Load sensing CT is ‘+1.000’
‘+’ indicates Inductive.(‘-’ indicates Capacitive)
Unit is operating in ‘A’ Auto mode. (‘M’ defines Manual mode)
“ ” indicates controller is on mains.
“ ” indicates controller is on Generator.
Total number of banks that are operational are 16.
Bank no. 1 is declared as fixed and is in ON condition.
Bank no. 2 is in ON condition.
Bank no. 3 is declared as faulty.
Bank no. 4 is in discharging state.
Bank no. 5 to 16 are in OFF condition.
“I AM OK”, flashing Green LED indicates the controller health status.
This LED is located at the extreme, left-hand, bottom side of the front
panel, as viewed by the user.
This LED, if continuously ON or continuously OFF, indicates
malfunctioning of the controller.
On powering up the unit, there is power-on discharge time given
for the capacitors to discharge completely. However, if the user is sure
that the capacitors are discharged, then on pressing the
left key
would
allow the controller to come out of the discharge time and thus user
need not wait for the discharge time to get complete and thus saves
time.
Front fascia
–
LCD screen
This port is used for downloading of data logged in the controller.
The interface is Standard, 3-wire, RS232. For further description about
the data logging, please refer Page No. 36 of this user manual.
Following gives the pin configuration:
Front side RS232 communication port connection
Intelligent Power Factor Controller TPF-56
20 of 56
Version 1.1.5 22
nd
March, 2016
