Lenze Global Drive PLC Developer Studio Instrukcja Użytkownika Pobierz pdf (Strona 18)

LenzeFpiDrv.lib function library

Functions

3.2 Deactivation (L_Rs232Close)

3−3

LenzeFpiDrv.lib EN 1.1

3.2 Deactivation (L_Rs232Close)

BOOL L_Rs232Close (wDrvNr)

This function deactivates the FP interface so that the AIF interface can be used for other AIF modules

(keypad, INTERBUS−S, PROFIBUS−DP, etc.) again.

· All send and receipt orders not carried out yet are cancelled when this function is activated.

L_Rs232Close

wDrvNr

Fig. 3−2 Deactivation (L_Rs232Close)

Transmission parameters

Identifier Data type Possible settings Info

wDrvNr Word 30 AIF interface

Feedback value

Data type Value Meaning Priority

bool (boolean)

sends FALSE Error during deactivation of the driver

Wrong driver number ( wDrvNr ) or driver not initialised.

−

TRUE Driver has been deactivated.

Example

Calling up the function in ST:

(* close FPI − returns g_bFPICloseState *)

g_bFPICloseState := L_Rs232Close (30)

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Lenze Global Drive PLC Developer Studio Instrukcja Użytkownika Strona 18