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MDS-D-SVJ3/SPJ3 Series Instruction Manual
5-4 Spindle control signal
(5) Spindle control output 5
bit1. Speed detection (MD)
[1] When motor speed exceeds the speed set by parameter SP028 (SDTS) + SP029 (SDTR),
SD=0 is set.
[2] When motor speed becomes slower than the speed set by parameter SP028 (SDTS), SD=1 is
set. SD signal is detected by the motor speed absolute value regardless of rotation direction.
bitB. In minimum excitation rate 2 selection (PY2)
[1] When PY2=1 is set, the minimum excitation rate 2 (SP015) is being selected.
[2] When PY2=0 is set, the minimum excitation rate 1(SP014) is being selected.
bitC. In speed gain set 2 selection (VG2)
[1] When VG2=1 is set, the gain parameter (SP008/SP009/SP010) used in the speed loop isbeing
selected.
[2] When VG2=0 is set, the gain parameter (SP005/SP006/SP007) used in the speed loop isbeing
selected.
bitD. Zero point re-detection complete
If the zero point re-detection is completed after the zero point re-detection request (control input5/
bitD) is set to1, ORF=1 is set. If the zero point re-detection request is set to 0, ORF=0 is set.
FEDCBA9876543210
bit
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
-
-
-
VG2ORF
-
ORF
VG2
PY2
PY2
-
-
-
-
-
-
Details
Name Details
Spindle control output 5
(For maintenance)
Speed detection
(For maintenance)
Zero point re-detection request
In 2nd in-position
Spindle holding force up
(For maintenance)
(For maintenance)
(For maintenance)
(For maintenance)
(For maintenance)
(For maintenance)
In minimum excitation rate 2 selection
In speed gain set 2 selection
(For maintenance)
(For maintenance)
SD signal
Motor speed
Speed
detection
OFF
Speed
detection
ON
Speed detection set
value: SP028
Speed detection reset width
: SP029