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1. Ethernet 4-35
Network Communications
Write
Write Words to PLC Memory
int HKEtn_WritePlcMemory(WORD *sp,unsigned short Wordcnt,int
DeviceType,DWORD addr,char *lpAddr, int DFlag=1)
This function is retained until write completion is received from the V7 series. (It is reset on
receipt of write completion to the PLC memory.)
• Parameters
*sp Target block pointer
Wordcnt Word count to be transferred (max. 2000 words)
DeviceType Address of the device to be written (Refer to “Chapter 5 Connection
to PLCs.”)
addr Top memory address to be written
For YOKOGAWA or YASKAWA PLCs, specify a number “−1” for the
address (addr).
Example: D400 → 399 D25 → 24
*lpAddr IP address shown as a string of characters separated by dots
Example: “192.168.XXX.XXX”
DFlag 0, 1, 2 (Refer to page 4-29.)
• Return values
Success TRUE
Failure FALSE
Error details Get using HKEtn_GetLastError ().
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