Inovance H3U Series - Page 60

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4
4 Instructions 4.1.2 Combined Instructions
MEP and MEF: Generate falling/rising edge pulse for operation results
◆
Overview
The MEP and MEF instructions generate falling/rising edge pulse for operation results. No element number
needs to be specied.
1) MEP
The operation result until the MEP instruction is enabled upon OFF-to-ON switching.
Use the MEP instruction to enable simple pulsed processing when multiple contacts are connected in
series.
2) MEF
The operation result until the MEF instruction is enabled upon ON-to-OFF switching.
Use the MEF instruction to enable simple pulsed processing when multiple contacts are connected in
series.
MEP and MEF
Generate falling/
rising edge pulse
for operation
results
Applicable model:
H3U
1 (step)
◆
Operands
Instruction
Bit Element Word Element
System·User System·User Bit Designation
Indexed
Address
Constant
Real
Number
MEP No target element
MEF No target element
◆
Application
1) MEP instruction (operation result: rising edge = ON)
ON
Sequence diagram
X0
X1
M0
OFF
ON
OFF
ON
OFF
2) MEF instruction (operation result: falling edge = ON)
Sequence diagram
ON
X0
X1
M0
OFF
ON
OFF
ON
OFF
OFF
OFF