2 deactivation (l_rs232close), Deactivation (l_rs232close), Lenzefpidrv.lib function library – Lenze Global Drive PLC Developer Studio User Manual
Page 18: Functions

LenzeFpiDrv.lib function library
Functions
3.2
Deactivation (L_Rs232Close)
3−3
L
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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