Connecting To I/O Expansion Boards (Xv-Board) - ICP DAS USA VPD Series User Manual

TPD/VPD Series HMI Device User Manual
5.3 Connecting to I/O Expansion Boards
(XV-Board)
Default Value

Net ID
Baud Rate
Comport
Communication Interface
Using C Programming Language to Control XV-Board

HANDLE h;
int NetID = 1;
int addr = 1;
int ch_count = 8;
char DO_value[1];
DO_value[0] = 3;
h = uart_Open("XVBus,115200,N,8,1");
mrm_WriteDO (h, NetID, addr, ch_count, DO_value);
uart_Close(h);
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1
115200
XVBus
Modbus RTU (XV-Board as slave)
//that is, turn on the ch 0 and ch1.
XV-Board
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