Mitsubishi Electronics FX3G User Manual

Page of 964
375
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
 Series
Programming Manual - Basic & Applied Instruction Edition
13 High-Speed Processing – FNC 50 to FNC 59
13.8 FNC 57 – PLSY / Pulse Y Output
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
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
13.8
FNC 57 – PLSY / Pulse Y Output
Outline
This instruction generates a pulse signal.
→ For the frequency control mode, refer to Subsection 13.6.3.
1. Instruction format
2. Set data
3. Applicable devices
S1: Specify a transistor output on the main unit or Y000 or Y001 on a special high-speed output adapter
*1
.
S2: This function is supported only in FX
3G
/FX
3GC
/FX
3U
/FX
3UC
 PLCs.
S3: This function is supported only in FX
3U
/FX
3UC
 PLCs.
*1. High-speed output special adapters can be connected only to FX
3U
 PLC.
Explanation of function and operation
1. 16-bit operation (PLSY)
A pulse train of frequency 
 is output in the quantity 
 from the output (Y) 
.
• Specify the frequency in 
.
Allowable setting range: 1 to 32767 (Hz)
• Specify the generated pulse quantity in 
.
Allowable setting range: 1 to 32767 (PLS)
• Specify the output (Y) number from which pulses are to be output in 
.
Allowable setting range: Y000, Y001
Operand Type
Description
Data Type
Output pulse frequency
16- or 32-bit binary
Number of output pulses
16- or 32-bit binary
Device number (Y) from which pulses are output
Bit
Oper-
and 
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special 
Unit
Index
Constant
Real 
Number
Charac-
ter String
Pointer
X
Y
M T C S D .b KnX KnY KnM KnS T C D
R
U \G
V Z Modify
K
H
E
" "
P
S
2
S
3
S
2
S
3
S
1
FNC 57
PLSY
D
Mnemonic
Operation Condition
32-bit Instruction
13 steps DPLSY
Continuous
Operation
7 steps PLSY
Continuous
Operation
16-bit Instruction
Mnemonic
Operation Condition
  
S
1
  
S
2
  D
  
S
1
  
S
2
  D
  
S
1
  
S
2
   
D
S
1
 
S
2
 
FNC 57
PLSY
Pulse quantity
Frequency
S
1
 
S
2
 
Command
input
  
S
1
  
S
2
   
D