Mitsubishi Electric MELSEC System Q Bedienungsanleitung Seite 441

An hang
Programm
/***************************************************************************/
/** Sam ple pro gram (pro gram name: AJSAMP.CPP)
/**
/** This pro gram is a sam ple pro gram to con duct a
/** con nec tion test between the E71 and tar get device.
/** This pro gram accesses the data reg is ter (D) of
/** the PLC CPU installed together with the E71
/**
/** Copy right(C) 2005 Mitsubishi Elec tric Cor po ra tion
/** All Rights Reserved
/***************************************************************************/
#include <stdio.h>
#include <winsock.h>
#define FLAG_OFF
#define FLAG_ON
#define SOCK_OK
#define SOCK_NG
#define BUF_SIZE
#define ERROR_INI TIAL
#define ERROR_SOCKET
#define ERROR_BIND
#define ERROR_CON NECT
#define ERROR_SEND
#define ERROR_RECEIVE
#define ERROR_SHUT DOWN
#define ERROR_CLOSE
//Def i ni tions for check ing the receiv ing sizes
//#define RECV_ANS_1 4 // Receiv ing size of response mes sage in reply to device write (1E frame)
#define RECV_ANS_1 22 // Receiv ing size of response mes sage in reply to device write (3E frame)
//#define RECV_ANS_2 24 // Receiv ing size of response mes sage in reply to device read (1E frame)
#define RECV_ANS_2 42 // Receiv ing size of response mes sage in reply to device read (3E frame)
typedef struct sck_inf{
struct in_addr my_addr;
unsigned short my_port;
struct in_addr aj_addr;
unsigned short aj_port;
}sck_inf;
(Fort set zung auf der nächs ten Seite)
MELSEC System Q Ethernet-Module
Programmbeispiel für ein verbundenes Gerät
0 // Com ple tion flag OFF
1 // Com ple tion flag ON
0 // Nor mal com ple tion
-1 // Abnor mal com ple tion
4096 // Receive buffer size
0 // Ini tial error
1 // Socket cre ation error
2 // Bind error
3 // Con nec tion error
4 // Send error
5 // Receive error
6 // Shut down error
7 // Line close error
**/
**/
**/
**/
**/
**/
**/
**/
**/
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