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Mitsubishi Electronics FX3G User Manual

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559
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
 Series
Programming Manual - Basic & Applied Instruction Edition
20 Positioning Control – FNC150 to FNC159
20.7 FNC158 – DRVI / Drive to Increment
11
FN
C30
-FN
C3
9
R
ota
tion and 
Shi
ft
12
FN
C40-FN
C49
D
ata O
perati
on
13
FNC
50-FNC
59
High-Speed
 
Proc
essing
14
FM
C60-FN
C69
H
andy 
In
struction
15
FN
C70-FN
C79
E
xternal
 F
X
 I/O
 
De
vice
16
FNC
80-FNC
89
External
 FX 
Dev
ice
17
FNC1
00-
FNC10
9
Dat
a 
Transfer 2
18
FNC1
10-
FNC139
Fl
oati
ng Poi
nt
19
FNC14
0-F
N
C
149
Da
ta
 
Operation 2
20
FNC1
50-
FNC159
Pos
itioning 
Control
S2 :When using a special high-speed output adapter for the pulse output destination in an FX
3U
 PLC, the rotation
direction signal must be used by the following table output.
When using a built-in transistor output for the pulse output destination in an FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLCs, the rotation direction signal must use transistor output.
S3 : "D .b" is available only in FX
3U
 and FX
3UC
 PLCs. However, index modifiers (V and Z) are not available.
S4 : This function is supported only in FX
3G
/FX
3GC
/FX
3U
/FX
3UC
 PLCs.
S5 : This function is supported only in FX
3U
/FX
3UC
 PLCs.
Explanation of function and operation
Caution on writing during RUN
During RUN, avoid writing while DRVI (FNC158) instruction is executed (that is, while pulses are output).
Note that if writing is executed during RUN to a circuit block including FNC158 instruction while pulses are output, the
PLC decelerates and stops pulse output.
Special high-speed output adapter No.
Pulse output
Rotation direction output
No. 1 (1st unit)
=Y000
=Y004
=Y001
=Y005
No. 2 (2nd unit)
=Y002
=Y006
=Y003
=Y007
  
D
1
  
D
2
  
D
1
  
D
2
  
D
1
  
D
2
  
D
1
  
D
2
Command
input
FNC158
DRVI
S
1 
S
2 
D
1 
D
2