Hakko Electronics V Series, Руководство по подключению

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App5-32
Appendix 5 Ethernet
Read Double-words from PLC Memory
int HKEtn_ReadPlcMemory2(DWORD *dp,unsigned short Wordcnt,int DeviceType,DWORD
addr,char *lpAddr, int DFlag=1)
This function is retained until PLC data is transferred from the V7 series.
•
Parameters
*dp
Target pointer of the data to be read
Wordcnt Word count to be read (max. 1000 words)
DeviceType Address of the device to be read (Refer to “Chapter 2.” to “Chapter 33.”)
addr Top memory address to be read
* 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 App5-31.)
•
Return values
Success
TRUE
Failure FALSE
Error details Get using HKEtn_GetLastError ().
Read Words from Internal Memory
int HKEtn_ReadInternalMemory(WORD *dp,unsigned short Wordcnt,int DeviceType,DWORD
addr,char *lpAddr,int DFlag=1)
This function is retained until data is transferred from the V7 series.
•
Parameters
*dp
Target block pointer
Wordcnt Word count to be transferred (max. 2000 words)
DeviceType 0: $u 1: $s 2: $L 3: $LD 4: $T
addr Top memory address to be read
*lpAddr IP address shown as a string of characters separated by dots
Example:
“192.168.XXX.XXX”
DFlag 0, 1, 2 (Refer to page App5-31.)
•
Return values
Success
TRUE
Failure FALSE
Error details Get using HKEtn_GetLastError ().
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