Vicks EDG-4508+ User Manual

mbtcp.h
File name of mbtcp means Modbus TCP; we provide the easier definition 
of necessary parameter. For example, 

MODBUSTCPMAXMSGLENGTH 
MODBUS TCP Max Message Length

MODBUSTCPMSGHDRLENGTH
MODBUS TCP Message Header Length

*  The programming I/O sample programs are for programmer's reference 

to make the event I/O program for their own environment. Program-
mers can open the file as a template file to make a new project of event.  

#define MODBUSTCPMAXMSGLENGTH         288

#define MODBUSTCPMSGHDRLENGTH         6 

typedef struct __MODBUSTCPMSG {

unsigned short wTransactionId;

unsigned short wProtocolId;

unsigned char byteMsgLenHigh;

unsigned char byteMsgLenLow;

unsigned char Data[2];

} TMODBUSTCPMSG;