Operator Interface
153378
2–7
Operator Interface
The purpose of the operator interface is to provide a means of communicating
critical operational information to and from the unit. This communication occurs
between the operator and the UFCU Keypad and VFD display or between the
operator and a personal computer running the GT View GUI software. The
RS485/Modbus connection is also available for remote monitoring and
control systems.
UFCU Keypad Operation and VFD Display
The UFCU keypad is located on the left front door of the inverter enclosure to
manipulate and view system operation and status.
The keypad is comprised of 20 touch-sensitive, membrane switch keys that
provide a means to navigate through the menus and alter user-changeable settings.
1. Four function keys are available.
•
F1 - While in the R
EAD
Menu, this key jumps to display “
INV A
Volts
”. If the GT100 is faulted while in the Read Menu, this key is used
to send the “
Clear Fault
” message to the CCU2. While in the Write
Menu, this key is used to set “
Goal
:
”.
•
F2 - While in the R
EAD
Menu, this key jumps to display “
INV kW
”.
While in the W
RITE
Menu, this key jumps to display “
PPT V Ref:
”.
•
F3 - While in the R
EAD
Menu, this key jumps to display “
PV kW:
”.
While in the W
RITE
Menu, this key jumps to display “
PPT Enable:
”.
•
F4 - While in the Read Menu, this key jumps to display “
kWH:
”.
While in the Write Menu, this key is used to both confirm and display
parameters.
–
When confirming a Goal State change, this key sends the “
Command
Goal State
” message to the CCU2.
–
When re-setting the KWH, this key sends the “
Reset kWH:
”
message to the CCU2.
Figure 2-3
The Universal Front Panel Control Unit (UFCU) and VFD
VFD Display
UFCU Keypad
Standard Display
System: PWR Tracking
Inverter: Online
PV: Online
<Read Menu Item>
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