BackupVar NOVRAM

The user can use standard data types (see table) and integrate them in his application in order to save defined PLC variables voltage failure safe.

Data type

BackupVar NOVRAM block

BOOL

FB_HVACNOVRAM_Bool

BYTE

FB_HVACNOVRAM_Byte

DINT

FB_HVACNOVRAM_Dint

DWORD

FB_HVACNOVRAM_Dword

INT

FB_HVACNOVRAM_Int

LREAL

FB_HVACNOVRAM_Lreal

REAL

FB_HVACNOVRAM_Real

TIME

FB_HVACNOVRAM_Time

SINT

FB_HVACNOVRAM_Sint

UDINT

FB_HVACNOVRAM_Udint

UINT

FB_HVACNOVRAM_Uint

USINT

FB_HVACNOVRAM_Usint

WORD

FB_HVACNOVRAM_Word