Mitsubishi Electric MELDAS C6 Interface Manual page 281

B con-
Signal name
tact
—
SPINDLE OVERRIDE
[Function]
This signal applies override (multiplication) on the S command issued in the automatic operation
(memory, MDI) for type B and C.
[Operation]
By selecting "Spindle override (SP1~4)" signal, override ratio can be selected within range from
50% to 120% (increment: 10%).
Override cannot be set when:
(1) "Spindle stop input" signal is ON.
(2) TAP mode is selected.
(3) Thread cutting mode is selected.
This signal (SP1~SP4) is set with the code method. The relation is shown below.
SP4 SP2 SP1 Spindle override
1 1 1
0 1 1
0 1 0
1 1 0
1 0 0
0 0 0
0 0 1
1 0 1
[Related signal]
(1) Spindle override method select (SPS: YD2F)
B con-
Signal name
tact
SPINDLE OVERRIDE
—
METHOD SELECT
[Function]
When speed override is exerted on spindle speed specified by S command (S5-digit analog
specification) in automatic operation (memory or MDI) for types B or C either "code method" or "file
register method" is selected for override method.
[Operation]
When the signal (SPS) is OFF, SP1~SP4 code is selected.
When the signal (SPS) is ON, value set in file register is selected.
×
S command
(Note 1) For details of "code method override" and "file register method override", refer to the
respective description.
6. EXPLANATION OF INTERFACE SIGNALS
6.3 PLC Output Signals (Bit Type: Y***)
Signal
abbreviation
SP1~SP4
50%
60%
70%
80%
90%
100%
110%
120%
Signal
abbreviation
SPS
OFF: Code method
SP1~SP4 (50~120%, 10% increment)
SPS
File register (0~200%, 1% increment)
ON: File register method
1st spindle
YD28~D2A
1st spindle
YD2F
6-3-84
2nd spindle 3rd spindle
YD58~D5A YD88~D8A
2nd spindle 3rd spindle
YD5F YD8F
=
Spindle speed