YASKAWA VIPA SPEED7 - Page 884

Size
n The size defines the width of the data area fixed via K_NR and OFFSET. You may
choose between the values 1, 2 and 4byte.
Byte where an error message is returned to.
In-/output area
n This parameter fixes the in- res. output area for the data transfer.
n At a read access, this area up to 4byte width contains the data read from the page
frame area.
n At a write access, the data up to 4byte width is transferred to the page frame area.
– Parameter type: Pointer
The following example shows the read access to 4byte starting with byte 712 in page
frame 2. The read 4byte are stored in DB10 starting with byte 2. For this the following call
is required:
CALL SFC 228
K_NR :=2
OFFSET :=712
R_W :=0
SIZE :=4
RET_VAL :=MB10
VALUE :=P#DB10.DBX 2.0 Byte 4
Value Description
00h no error
01h ... 05h Internal error: No valid address found for a parameter
SIZE
RET_VAL (Return Value)
VALUE
Example
Error messages
VIPA SPEED7
System Blocks
Fetch/Write Communication > SFC 228 - RW_KACHEL - Page frame direct access
HB00 | OPL_SP7 | Operation list | en | 18-30 884