H663-Modbus/Javasys

H663Structure

EGX100経由H663通信機器構成/Modbus

H663　H8822との接続(RS-485)　ＣＴ接続例

CT接続例(拡大)

サンプルソースコード/H663Sample.c)

/*----------------------------------------------------
  H663Sample.c: Send command to H663 to get CH#1 data.
*/ 
#include <stdio.h>
#include <errno.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <time.h>
#include <netdb.h>
#include <linux/if.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <netinet/in.h> 
#include <limits.h>

int	DoPrintAndPutLOG(unsigned char *LogData);
int	DoPutLOG_2(unsigned char *LogData);

char	g_LogMes[512];

/*----------------------------------------
  Make Words message(command) to send to EGX100(H663)
  to get CH# data.
  Exit:
    Number of SendData
*/
int DoMakeCommand(unsigned char *Dat, char intSlaveNo )
{
	int		intLen;

	Dat[0] = 0x00;
	Dat[1] = 0x00;
	Dat[2] = 0x00;
	Dat[3] = 0x00;
	/* Number Transfer bytes */
	Dat[4] = 0x00;			/* High */
	Dat[5] = 0x06;			/* Low  */
	/* Slave Addres */
	Dat[6] = intSlaveNo;
	/* Function 03H = Read */
	Dat[7] = 0x03;
	/* Start Reg Address */
	Dat[8] = 0x00;			/* High */
	Dat[9] = 0x00;			/* Low  */
	/* Number of words to read */
	Dat[10] = 0x00;			/* High */
	Dat[11] = 0x01;			/* Low  */
	intLen = 12;

	sprintf(g_LogMes,"--->%02x %02x %02x %02x %02x %02x %02x %02x",
		Dat[0],Dat[1],Dat[2],Dat[3],Dat[4],Dat[5],Dat[6],Dat[7]);
	DoPrintAndPutLOG(g_LogMes);

	sprintf(g_LogMes,"--->%02x %02x %02x %02x",
		Dat[8],Dat[9],Dat[10],Dat[11]);
	DoPrintAndPutLOG(g_LogMes);

	return intLen;
}

/*----------------------------------------
  Main proc.
 */
int main(argc, argv)
	int		argc;
	char	*argv[];
{
	unsigned char	sSnd[256];
	unsigned char	sRcv[256];
	char	intSlaveNo;
	int		fd,tcp_port,i;
	struct	sockaddr_in dest;
	FILE	*fh;
	int		SockOptflag;
	int		intRet;
	int		intLen;
	struct	timeval tv;
	int		intChrCnt,intFirstTime;
	char	sWork[9];

	DoPrintAndPutLOG("H663Sample Start");
	
	if ( argc < 4 ){
		sprintf(g_LogMes,"usage: H663Sample [IPAdr][PortNo][H663SlaveAdr]");
		DoPrintAndPutLOG(g_LogMes);
		return 0;
	} 
	
	intSlaveNo = argv[3][0] & 0x0f;
	bzero(sSnd,sizeof(sSnd));
	intLen = DoMakeCommand( sSnd, intSlaveNo );

	sprintf(g_LogMes,"SendData[%02d]bytes",intLen);
	DoPrintAndPutLOG(g_LogMes);

	/* Create a socket */
	fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	if (fd < 0) {
		DoPrintAndPutLOG("Socket failed");
  		return 0;
	}
	
	bzero(&dest, sizeof(dest));
	dest.sin_family = AF_INET;
	tcp_port = atoi(argv[2]);	/* get server port */
	dest.sin_port = htons(tcp_port);
	inet_aton(argv[1], &dest.sin_addr); /* get server ip */

	/* Connect to Equiptment, retry 3 times*/
	for(i=0; i<3; i++) {
		intRet = connect(fd, (struct sockaddr*)&dest, sizeof(dest));
		if (intRet == 0) {
			DoPrintAndPutLOG("Connect OK");
			break;
		}
	}
	if (i == 3) {
		DoPrintAndPutLOG("Connect failed");
		close(fd);
		return 0;
	}
	
	/* Send Command to EGX100(H663)  */
	send(fd, sSnd, intLen, 0);

	/*when data received, send them back*/
	DoPrintAndPutLOG("Recv Start");

	bzero(sRcv,sizeof(sRcv));
	intRet = recv(fd, sRcv, 128, 0);

	sprintf(g_LogMes,"Recv End Ret[%d]",intRet);
	DoPrintAndPutLOG(g_LogMes);
	if (intRet < 1)	intRet = 32;

	DoPrintAndPutLOG("<---");

	intChrCnt = 0;
	g_LogMes[0] = '\0';
	for(i=0; i<intRet; i++) {
		sprintf(sWork,"%02x ",sRcv[i]);
		strcat(g_LogMes,sWork);
		++intChrCnt;
		if(intChrCnt >= 16){
			DoPrintAndPutLOG(g_LogMes);
			g_LogMes[0] = '\0';
			intChrCnt = 0;
		}
	}

	if ( intChrCnt > 0 ){
		DoPrintAndPutLOG(g_LogMes);
	}
	close(fd);

	DoPrintAndPutLOG("H663Sample End");
	return 0;
}

/*----------------------------------------
  Display String to Console 
  also save it to log file.
*/
int	DoPrintAndPutLOG(unsigned char *LogData)
{
    time_t	timer;  
	struct	tm* t_st;  
	pid_t pid;
	unsigned char	sNowString[32];
	unsigned char	sLogString[512];

	pid=getpid();
	time(&timer);
	t_st = localtime(&timer);

	time(&timer);
	t_st = localtime(&timer);
	sprintf(sNowString,"%04d/%02d/%02d %02d:%02d:%02d",
			t_st->tm_year+1900,t_st->tm_mon+1,t_st->tm_mday,
			t_st->tm_hour,t_st->tm_min,t_st->tm_sec);
	sprintf(sLogString,"%s[%d]:%s\n",sNowString,pid,LogData);
	printf(sLogString);

	return(DoPutLOG_2(sLogString));
}
/*----------------------------------------
  Save String Message to log file. 
*/
int	DoPutLOG_2(unsigned char *LogData)
{
    FILE	*fp;
	unsigned char	sFullPath[256];
	
	strcpy(sFullPath,"H663Sample.log");
	
	/* Open File */
	if ((fp=fopen((const char *)sFullPath,"a"))==NULL){
		return 1;
	}
	
	/* Put File */
	fputs((const char *)LogData,fp);
	
	/* File Close */
	fclose(fp);
	
	return 0;
}

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● ● Veris社/PowerMonitoringSystem(H663,Modbus)

EGX100経由H663通信機器構成/Modbus

H663 H8822との接続(RS-485) ＣＴ接続例

CT接続例(拡大)

サンプルソースコード/H663Sample.c)

H663　H8822との接続(RS-485)　ＣＴ接続例