FB_READ_011_SNVT_date_day

FB_READ_011_SNVT_date_day 1:

This function-block receives the following LON-input-variables (nvi):

SNVT name: SNVT_date_day.

SNVT number: 011.

SNVT description: Day of week (day names).

VAR_INPUT

wNVIndex       : WORD;
bDisabled      : BOOL := FALSE;

wNVIndex: Unique Index. This is required for the binding of the LON nodes. Per LON terminal a maximum of 62 SNVTs are allowed. Values from 0 to 61 are permissible.

bDisabled: TRUE = disables the function block.

VAR_OUTPUT

eValue     : E_LON_days_of_week_t;
bNewData   : BOOL;
bError     : BOOL;
eError     : E_LON_ERROR;

eValue: Enum to be received, (see E_LON_days_of_week_t).

bNewData: Becomes TRUE for 1 cycle when the function block has received data.

bError: The output becomes TRUE as soon as an error occurs. This error is described via the eError variable.

eError: The output outputs an error code in the event of an error (see E_LON_ERROR). bError goes TRUE at the same time.

VAR_IN_OUT

stLON_Com      : ST_LON_Communication;

stLON_Com: This structure connects FB_LON_KL6401() with the send/receive function blocks (see ST_LON_Communication).