5 ladder start/stop functions – Yaskawa YASNAC PC NC PLC Programming Manual User Manual

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YASNAC PCNC PLC Programming Manual Chapter 11: YASNAC Paradym-31 DLL

11.8.5 Ladder Start/Stop Functions

BOOL ControlProg(BOOL TRUE/FALSE,HWND)

BOOL STS=TRUE/FALSE

TRUE=Start
FALSE=Stop
HWND:

Handling number of WIZDOM’s main window
(for message display)

When an error occurs, the following message is displayed in the message box.

Message Contents

Meaning

Ladder Start

Ladder execution began.

Already Started

Start process is complete.

Ladder Stop

Ladder execution stopped.

Already Stopped

Stop process is complete.

Ladder Check Sum Error

Sequence sum value is wrong.

Communication Error

An error occurs during communication.

Communication Time Out

There is no response.

Port Open Error

Port is not open.

Already Used

It has already been used.