Ghisalba VFD-E Series

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Appendix D How to Use PLC Function

VFD-E Series

D-28 Revision August 2006, 01EE, SW--PW V1.03/CTL V2.03

Explanations:

The AND command is used in the series connection of A contact. The function of the command is to

readout the status of present specific series connection contacts first, and then to perform the “AND”

calculation with the logic calculation result before the contacts, thereafter, saving the result into the

accumulative register.

Program Example:

Ladder diagram: Command code: Operation:

LDI X1 Load contact B of X1

AND X0 Connect to contact A of X0 in series

X0X1

OUT Y1 Drive Y1 coil

Mnemonic Function

ANI Series connection- B contact

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

Operand

999999

Explanations:

The ANI command is used in the series connection of B contact. The function of the command is to

readout the status of present specific series connection contacts first, and then to perform the “AND”

calculation with the logic calculation result before the contacts, thereafter, saving the result into the

accumulative register.

Program Example:

Ladder diagram: Command code: Operation:

LD X1 Load contact A of X1

ANI X0 Connect to contact B of

X0 in series