ABB AC500-S Safety User Manual page 251

Name Data Type
ERR BOOL
ERNO WORD
The structure of one of the Flash memory segments with user data is presented below.
Byte: 1 | 2
Byte Block Word 1 Word 2 Word 3 ...
offset no.
0 0
38 1
76 2
... ...
65436 1722
65474 1723
Call in ST
READ_FLASH(EN := EN_FLASH_READ,
NB := NB_FLASH_READ,
SEG := SEG_FLASH_READ,
BNR := BNR_FLASH_READ,
SM := SM_FLASH_READ,
DONE => DONE_FLASH_READ,
30.03.2017
Initial Value
FALSE
16#0000
3 | 4 5 | 6 ...
AC500-S
Configuration and programming
AC500-S Libraries > SafetyExt_AC500_V22.lib
Description, Parameter Values
Error occurred (data segment could not be read)
This output always has to be considered together
with output DONE. The following applies if an
error occurred: DONE = TRUE and ERR = TRUE.
Output ERNO indicates the error number.
Ä [4] for more details).
Error number (
Output ERNO indicates an error number. This
output always has to be considered together with
the outputs DONE and ERR.
The SF_FLASH_READ operation may take quite
a long time since the PLC user program is pro-
cessed with priority. Output ERNO then indicates
that the function block has started the execution
(0x0FFF = BUSY).
During this phase, the outputs ERR and DONE
are set to FALSE.
29 | 30 31 | 32
Word Word
15 16
33 ... 37 38
36
CRC Written Align-
identi- ment
fier
251