368
FX3G/FX3U/FX3GC/FX3UC Series
Programming Manual - Basic & Applied Instruction Edition
13 High-Speed Processing – FNC 50 to FNC 59
13.8 FNC 57 – PLSY / Pulse Y Output
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 FX3U/FX3UC PLCs.
*1. High-speed output special adapters can be connected only to FX3U 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
XYMTCSD
.b KnX KnY KnM KnS T C D R
U\G
VZModify K H E "
"P
33333333
S2
33 3 3 3
33333333
S2
33 3 3 3
S1
3
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
D
S
2
D
Command
input
S
1
S
2
D
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