Sharp R-342D Manual de Instruções descarregar pdf (Página 195)

100

101

4-30 1. 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 ZM-300 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 5 Connection to

PLCs.”)

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 4-29.)

• Return values

Success TRUE

Failure FALSE

Error details Get using HKEtn_GetLastError ().

Contents Word Count

No. 1 2

No. 2 2

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No. n 2

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