Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 206

Processing details
• These instructions convert the direct access output (DY) specified by (d) into pulse output. If DY0 is specified by (d), the
program operates in the same way as the one that uses the SET and RST instructions.
The following figure shows an example when a ladder using the DELTA instruction is replaced with a ladder using the SET/
RST instructions.
X100
The following figure shows the operation of the instruction.
END
ON
OFF
X100
ON
OFF
DY0
Precautions
These instructions are used as an execution command (rising edge execution) for intelligent function modules.
These instructions cannot be used as an actual output command for output modules.
Operation error
There is no operation error.
The DELTA(P) instruction is used to set a preset value of the high-speed counter module.
[Example]
A program that presets the CH1 of the high-speed counter module (RD62P2) mounted in slot 0 of the base
unit when X20 turns on
X20
(1) Store the preset value (0) in the buffer memory areas 0 and 1 of the RD62P2.
(2) Output the preset command.
5 SEQUENCE INSTRUCTIONS
204
5.3 Output Instructions
DELTA DY0
DELTA DY0 DELTA DY0
ON
DMOVP K0
DELTAP
X100
SET
RST
U0\G0 (1)
DY1 (2)
END
DY0
DY0