Timing Check Instruction - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

8.25

Timing Check Instruction

Generating timing pulses
DUTY
This instruction sets user timing clock output destinations (SM420 to SM424 and SM8330 to SM8334) specified by (d) to on
for the number of scans specified by (n1) and to off for the number of scans specified by (n2).
Ladder diagram
(n1)
FBD/LD
EN ENO
n1 d
n2
Setting data
■Descriptions, ranges, and data types
Operand Description
(n1) Number of scans to be turned on
(n2) Number of scans to be turned off
(d) Special relay of the timing clock output destination
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L, SM,
F, B, SB, S
(n1) 

(n2)
*1

(d)
*1 Only SM can be used.
Processing details
• This instruction sets user timing clock output destinations (SM420 to SM424 and SM8330 to SM8334) specified by (d) to on
for the number of scans specified by (n1) and to off for the number of scans specified by (n2).
OFF
SM420 to SM424,
SM8330 to SM8334
(n1): (n1) scans
(n2): (n2) scans
• Specify SM420 to SM424 (SM8330 to SM8334) in the special relay of the timing clock output destination specified by (d).
• In SM420 to SM424 (SM8330 to SM8334), when one device is turned on, another device is also turned on at the same
time.
8 APPLICATION INSTRUCTION
712
8.25 Timing Check Instruction
(d)
(n2)
Word
T, ST, C, D, W,
SD, SW, R



ON
(n1) (n2)
Structured text
ENO:=DUTY(EN,n1,n2,d);
Range
0 to 32767
0 to 32767
(SM420 to SM424,
SM8330 to SM8334)


Double word Indirect
U\G Z LC
  
  
  
Data type
16-bit unsigned binary
16-bit unsigned binary
Bit
Bit
Bit
Constant
specification
LZ K, H
  
  
  
Data type (label)
ANY16
ANY16
ANYBIT_BOOL
BOOL
BOOL
Others
E $
  
  
  