Macro Instruction Argument Device (Vd) - Mitsubishi Electric melsec q00ujcpu User Manual

9.12.4 Macro instruction argument device (VD)

(1) Definition
The macro instruction argument device (VD) is used with ladders registered as macros.
When a VD
executed.
(2) Specification method
Among the devices used in the ladders registered as macros in GX Developer, specify a device used for VD.
When using macro instructions in the sequence program, specify devices that correspond to the macro instruction
argument devices used in the macro registration ladders in ascending order.
Sequence program
Command with the name of the ladder registered as a macro
●
With the macro instruction argument device, VD0 to VD9 can be used in one macro registration ladder.
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The GX Developer read mode provides an option to view a program in macro instruction format.
To change the display, select [View]
9 - 80
setting is specified, the value is converted to the specified device when the macro instruction is
M.MAX D0 D1 R0
Passing to VD2
Passing to VD1
Passing to VD0
Sequence program that actually runs in the CPU module
> D0 D1
<= D0 D1
Figure 9.93 Macro instruction argument device specification
Figure 9.94 Setting for macro instruction display
Ladder registered as a macro (registration name: MAX)
> VD0 VD1
<= VD0 VD1
MOV D0 R0
MOV D1 R0
[Display macro instruction format].
Macro instruction display switching
MOV VD0 VD2
MOV VD1 VD2