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Command Descriptions
99
DPHOFA
Phase A Current Offset
Type
Drive
Configuration
Syntax
<a_><!>DPHOFA<r>
Units
r = no units
Range
-10.000 to 10.000 : ±0.001
Default
0.000
Response
DPHOFA:
*DPHOFA5.000
See Also
DPHBAL, DPHOFB, DWAVEF
Product Rev
GT6K 6.0
GV6K n/a
(applicable only to
stepper axes)
The
DPHOFA
command adjusts the current offset of phase A.
A procedure for configuring phase offset is provided in the
Configuration
chapter of the
Hardware
Installation Guide
.
DPHOFB
Phase B Current Offset
Type
Drive
Configuration
Syntax
<a_><!>DPHOFB<r>
Units
r = no units
Range
-10.000 to 10.000 : ±0.001
Default
0.000
Response
DPHOFB:
*DPHOFB5.000
See Also
DPHBAL, DPHOFA, DWAVEF
Product Rev
GT6K 6.0
GV6K n/a
(applicable only to
stepper axes)
The
DPHOFB
command adjusts the current offset of phase B.
A procedure for configuring phase offset is provided in the
Configuration
chapter of the
Hardware
Installation Guide
.
DPOLE
Number of Motor Pole Pairs
Type
Motor
Syntax
<a_><!>DPOLE<i>
(does not take effect until RESET, DRESET or
cycle power)
Units
i = pole pairs
Range
1-200
Default
0 (DPOLE of 0 results in motor config. error)
Response
DPOLE: *DPOLE50
See Also
DMTR, TASX, TCS
Product Rev
GT6K 6.0
GV6K 6.0
NOTE
: This command does not take effect until you cycle power to the drive, or issue a
RESET
or
DRESET
command.
AUTO-SETUP
:
This command is automatically set according to the Parker motor selected with the
configuration utility in Motion Planner (see page
6
). If you did not use the configuration utility or are not using a
Parker Motor, this command is set to zero and you will have to manually set this parameter. (Refer to
DMTR
for a list of auto-configured commands.) If the drive is powered up when this command is set to zero (for
instance, if
RFS
is executed), the drive reports a motor configuration error with
TASX
bit 7, writes a value of
-32723 to the
TCS
register, and shuts down the drive (
DRIVE0
).
The
DPOLE
command sets the number of motor pole pairs. The number of
pole pairs is defined as the number of poles (P), divided by 2 (or, P/2). The
electrical frequency of the current (
ω
e
) is related to the mechanical speed (
ω
m
)
of the motor by the pole pairs. The equation (right) shows this relationship.
ω
ω
e
m
P
=
2
*
NOTES
:
•
A
1.8
o
step motor will have 50 pole pairs, a 0.9
o
step motor will have 100 pole pairs.
•
All linear motors, regardless of the number of stator poles, are considered to be one pole pair
(
DPOLE1
) machines.
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