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Programming Your Application
1-69
690+ Series Frequency Inverter
PHASE CONTROL
This is the principal phase function block
and controls the error generation as well
as the feed-forward calculation.
MMI Menu Map
1
SETUP
2
SYSTEM BOARD
3
PHASE CONTROL
RESET
(TOTAL)
POSITION
ENABLE
SPEED
INPUT
INVERT SPEED OP
GEARING
A
GEARING
B
FDFWD
SCALE
OUTPUT
SCALE
INVERT
OUTPUT
OUTPUT
SPEED
OUTPUT
POS FEED FWD
SLAVE POS (INT)
MASTER POS (INT)
MASTER
POSITION
MSTR
POS+OFFSET
SLAVE
POSITION
POS ERROR INT
POSITION
ERROR
Parameter Descriptions
RESET (TOTAL)
Range: FALSE / TRUE
Total Reset, disables both the SPEED OUPUT and PHASE LOOP, see POSITION ENABLE.
POSITION ENABLE
Range: FALSE / TRUE
The position enable input. Enables the operation of the accumulator. If set FALSE, then the
accumulator is set to zero and any phase information is reset. See also RESET (TOTAL).
SPEED INPUT
Range: -300.00 to 300.00
Input to the speed feed-forward calculator, to obtain good phase locking it is important that this
input is used. The speed input will usually be the master line speed, this input should be set such
that the slave will follow the master even with the phase loop disabled.
INVERT SPEED OP
Range: FALSE / TRUE
Invert the speed output.
GEARING A
Range: -30000 to 30000
Gearing allows the slave to run at a ratio of the master speed / position.
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛
×
=
GearingB
GearingA
erPosition
ActualMast
tion
MasterPosi
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛
×
=
GearingB
GearingA
SpeedInput
t
SpeedOutpu
GEARING B
Range: -30000 to 30000
See Gearing A
FDFWD SCALE
Range: -300.00 to 300.00
Scale position feed-forward. Scaled with PHASE CONFIG::MAX SPEED. This feed forward
works only for position setpoint changes and is designed to reduce the following error of the
system by predicting the torque required to accelerate the motor.
OUTPUT SCALE
Range: 0.00 to 300.00
Scales the position output.
INVERT OUTPUT
Range: FALSE / TRUE
Inverts the position output.
Phase Control
–
OUTPUT [1488]
–
0.00
–
SPEED OUTPUT [1489]
–
0.00
–
POS FEED FWD [1490]
–
0.00
–
SLAVE POS (INT) [1841]
–
0
–
MASTER POS (INT) [1491]
–
0
–
MASTER POSITION [1492]
–
0.00
–
MSTR POS+OFFSET [1842]
–
0
–
SLAVE POSITION [1493]
–
0.00
–
POS ERROR INT [1494]
–
0
–
POSITION ERROR [1495]
–
0.00
FALSE
–
[1479] RESET (TOTAL)
–
FALSE
–
[1480] POSITION ENABLE
–
0.00
–
[1481] SPEED INPUT
–
FALSE
–
[1482] INVERT SPEED OP
–
1
–
[1483] GEARING A
–
1
–
[1484] GEARING B
–
1.00
–
[1485] FDFWD SCALE
–
1.00
–
[1486] OUTPUT SCALE
–
FALSE
–
[1487] INVERT OUTPUT
–