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6 Spindle Adjustment
MITSUBISHI CNC
(5) Spindle control output 5
bit0. Current detection (CD)
It indicates that current command value is over 110% of the motor short time rating at CD=1.
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.
bit6. In coil changeover (MKC)
MKC=1 is set for the amount of time set by parameter SP114 (MKT) during coil changeover operation.
bit9. 2nd speed detection (SD2) (IPM spindle motor)
[1] The status changes to SD2=0 when motor speed exceeds the speed set by parameter SP030 (SDT2) +
SP029 (SDTR).
[2] The status changes to SD2=1 when motor speed becomes slower than the speed set by parameter
SP030 (SDT2).
[3] It is used as M coil changeover speed. (IPM spindle motor only)
FEDCBA9876543210
bit
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
-
-
VG2ORF
ORF
PY2
PY2
-
-
-
INP2
INP2
MD
MD
-
CD
MKC
SD2
CDSD2 MKC
-
VG2
-
Details
Name Details
Spindle control output 5
(For maintenance)
Speed detection
(For maintenance)
Zero point re-detection request
In 2nd in-position
(For maintenance)
(For maintenance)
In minimum excitation rate 2 selection
(For maintenance)
Current detection
In coil changeover
2nd speed detection
(For maintenance)
(For maintenance)
In speed gain set 2 selection
(For maintenance)
SD signal
Motor speed
Speed
detection
OFF
Speed
detection
ON
Speed detection set
value: SP028
Speed detection reset width
: SP029