Load A Contact; Load B Contact; D.5.6 Rising-Edge/Falling-Edge Output Commands; D.5.7 End Command - Delta Electronics AC Motor Drive VFD-E User Manual

Appendix D How to Use PLC Function|

D.5.6 Rising-edge/falling-edge Output Commands

Commands
PLS
PLF

D.5.7 End Command

Command
END

D.5.8 Explanation for the Commands

Mnemonic
LD
Operand
Explanations:
The LD command is used on the A contact that has its start from the left BUS or the A contact that is
the start of a contact circuit. Function of the command is to save present contents, and at the same
time, save the acquired contact status into the accumulative register.
Program Example:
Ladder diagram
X0 X1
Mnemonic
LDI
Operand
D-30
Rising-edge output
Falling-edge output
Program end
X0~X17 Y0~Y17
LD
Y1
AND
OUT
X0~X17 Y0~Y17
Function
Function
Function

Load A contact

M0~M159
Command code
X0
X1
Y1
Function

Load B contact

M0~M159
Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11
Operands
Y, M
Y, M
Operands
none
T0~15 C0~C7
Operation
Load contact A of X0
Connect to contact A of X1
in series
Drive Y1 coil
T0~15 C0~C7
D0~D29
--
D0~D29
--