AC Motor Drive User Manual

Appendix D How to Use PLC Function|

Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11 D-37

Program Example:

Ladder diagram: Command code: Operation:

LDI X0 Load contact B of X0

AND X1 Connect to contact A of X1 in

series

X0 X1

OUT Y1 Drive Y1 coil

Mnemonic Function

SET Latch (ON)

X0~X17 Y0~Y17 M0~M159 T0~15 C0~C7 D0~D29

Operand

9 9

-- -- --

Explanations:

When the SET command is driven, its specific device is set to be “ON,” which will keep “ON” whether

the SET command is still driven. You can use the RST command to set the device to “OFF”.

Program Example:

Ladder diagram: Command code: Operation:

LD X0 Load contact A of X0

ANI Y0 Connect to contact B of Y0 in series

X0 Y0

SET

SET Y1 Y1 latch (ON)

Mnemonic Function

RST Clear the contacts or the registers

X0~X17 Y0~Y17 M0~M159 T0~15 C0~C7 D0~D29

Operand

9 9 9 9