Woodward ProTech 203, Руководство по эксплуатации

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ProTech 203 Overspeed Protection System Manual 85204
16 Woodward
17. Return the keyswitch to the monitor position. The LCD displays CHANGES
SAVED for two seconds.
For your convenience, a programming worksheet is provided below. The
worksheet should help ensure proper programming and provide you with a hard
copy record of the values entered. Feel free to copy the worksheet for future use.
ProTech 203 Programming Worksheet
UNIT A UNIT B UNIT C
TRIP SPEED
SETPOINT TRIP SPEED
SETPOINT TRIP SPEED
SETPOINT
Prime mover speed in rpm at which user expects unit to de-energize its alarm relay, turn on
the TRIP LED, and energize/de-energize, (depending upon the version chosen) its voter
relays.
MPU FAILED
SETPOINT
MPU FAILED
SETPOINT MPU FAILED
SETPOINT
The prime mover speed must exceed this value within the MPU FAILED TIMEOUT period or
the unit will trip. If the TIMER STARTS on RESET option is set to "Yes", the speed must also
exceed this value whenever the contact input is open or the unit will trip.
MPU FAILED
TIMEOUT
MPU FAILED
TIMEOUT MPU FAILED
TIMEOUT
Time period after a reset, during which the prime mover speed must exceed the MPU FAILED
SETPOINT or unit will trip.
MPU GEAR
TEETH
MPU GEAR
TEETH MPU GEAR
TEETH
Number of gear teeth the MPU is looking at.
TRIP ON MPU
FAILURE
TRIP ON MPU
FAILURE TRIP ON MPU
FAILURE
“Yes” or “No” option. If an MPU loss-of-signal occurs, the MPU FAIL LED turns on and the
alarm relay de-energizes. If the TRIP ON MPU FAILURE option is set to “Yes”, the unit trips.
This option applies only to a sudden loss of MPU signal while running. Trips due to an MPU
timer timeout or an open contact input are not affected by this option.
TIMER STARTS ON RESET
TIMER STARTS ON RESET TIMER STARTS ON RESET
“Yes” or “No” option. If set to “No”, the MPU fail timer starts when start key is pressed or when
the contact input opens. If set to “Yes”, the MPU fail timer starts when the reset key is pressed
or remote reset is momentarily closed.
ALARM IF SPEED
< MPU FAIL
SETPOINT
ALARM IF SPEED
< MPU FAIL
SETPOINT ALARM IF SPEED
< MPU FAIL
SETPOINT
This option only applies when the "TIMER STARTS ON RESET" option is set to "Yes". If this
option is set to "Yes", the alarm relay de-energizes whenever speed is below the MPU fail set
point.