Lenze ETC Motion Control Bedienungsanleitung PDF herunterladen (Seite 378)

100

101

PLC programming

Library

V24 functions

8.8

8.8.2

378

EDSTCXN EN 2.0

8.8.2.2 INITV24

FUNCTION InitV24: DINT

VAR_INPUT

req_pr : DINT; (* Address of the V24 request structure *)

mode_dw : DWORD;

flags_dw : DWORD;

END_VAR

This function is used to set up the interface parameters of a V24 interface

allocated with AllocV24.

ƒ mode_dw results from the OR combination of mode bits (¶ 391).

ƒ flags_dw results from the OR combination of flag bits (¶ 391).

A return value other than 0 signals an error (¶ 391).

ret_di : DINT;

requestV24_p : DINT;

requestV24_p : = ALLOCV24(1, 127);

ret_di : = InitV24(requestV24_p,

mode_no_parity OR mode_8_bits_per_char OR

mode_no_rts_cts_control OR mode_stop_bit_len_2 OR

mode_rx_baudrate_9600 OR mode_tx_baudrate_9600 OR

mode_rx_buffersize_2k OR mode_tx_buffersize_2k,flags_no_protocol);

8.8.2.3 FREEV24

FUNCTION FreeV2: BOOL

VAR_INPUT

req_pr : DINT; (* Address of the V24 request structure *)

END_VAR

This function releases the access rights to the allocated V24 interface and

returns the interface to its original state.

The return value of the function is of no consequence.

requestV24_p : DINT;

requestV24_p : = ALLOCV24(1, 127);

REEV24(requestV24_p);

Declaration

Description

Example

Declaration

Description

Example

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ama 11 Jan 2025 | 19:35:39

rasha

Lenze ETC Motion Control Bedienungsanleitung Seite 378

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