Lenze Global Drive PLC Developer Studio Instrukcja Użytkownika Pobierz pdf (Strona 21)

LenzeFpiDrv.lib function library

Functions

3.4 Send status (L_Rs232GetSendState)

3−6

LenzeFpiDrv.lib EN 1.1

3.4 Send status (L_Rs232GetSendState)

INT L_Rs232GetSendState (wDrvNr)

Use this function to find out about the current status of a send order.

L_Rs232GetSendState

wDrvNr

Fig. 3−4 Send status (L_Rs232GetSendState)

Transmission parameters

Identifier Data type Possible settings Info

wDrvNr Word 30 AIF interface

Feedback value

Data type Value Meaning Priority

Integer

−1 Wrong driver number ( wDrvNr ) or driver not initialised. −

0 All data bytes have been sent, the memory is ready for further orders.

1 ... 32767 Number of data bytes to be sent when a send order is active.

Example

Calling up the function in ST:

g_dnStatusOfSend := L_Rs232GetSendState(30);

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 27

Brak uwag

Lenze Global Drive PLC Developer Studio Instrukcja Użytkownika Strona 21