Operation Manual 37107F
MFR 3 - Multi Function Relay
© Woodward
Page 49/165
8 Monitoring
Color: Green
Monitoring
If the "Monitoring" LED is illuminated, monitoring is enabled. The delayed
programmed alarm inputs are monitored in addition to the permanently mo-
nitored alarm inputs. Generator underspeed, underfrequency, undervoltage
and reverse power are also monitored.
9 Alarm
Color: Red
Alarm
The unit has detected an alarm condition when the "Alarm" LED is illumi-
nated. The control unit reacts according to the alarm class. The alarm mes-
sage is shown in the LC display. If the alarm LED is flashing, a new alarm
condition has occurred within the last two minutes. By performing a short
acknowledgment, the alarm LED changes to continuous illumination and the
centralized alarm (horn) is terminated.
10 GCB
on
Color: Green
Reply: GCB is closed
The "GCB ON" LED indicates that the GCB is closed when illuminated.
11 MCB
on
Color: Green
Reply: MCB is closed
The "MCB ON" LED indicates that the MCB is closed when illuminated.
Push-Buttons
≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡≡
In order to facilitate configuring the parameters, the push buttons have an AUTOROLL function. It permits the
user to advance to the next setting, configuration screen, the digit, and/or cursor position by pressing and holding
the corresponding push button.
General / Configuration
12
Message
↓
/ Select
Color: Blue
Message
↓
/ Select
Normal operation:
Message
↓
- By pressing this push button, the user my
advance through the operating and alarm messages.
Configuration:
Select - The user advancesto the next configuration screen
by pressing this button. If the original displayed value has
been changed by pressing either the "Digit
↑
" or "Cursor
→
"
push buttons, the new value is saved by pressing the "Select"
push button once. By pressing this push-button again, the user
causes the system to display the next configuration screen.