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Klinkmann Automation Omron Ethernet DAServer 46
Omron Ethernet DAServer Ver 1.x User Manual Rev 1.3 17014m13
practical application, OPC clients
should reference $SYS$Status
at any hierarchy levels other
than the root.
$SYS$ErrorCode Longint/
Read
Detailed error code of the
communications state to the
device. The device group (OPC
access path/topic) does not
affect the value.
>= 0: Good
status (0 is the
default state –
connected.
>0: is some
device state like:
connecting,
initializing, etc.
<0: Error status
(value indicates
the error).
$SYS$ErrorText String/
Read
Detailed error string of the
communications state of the
device. The device group (OPC
access path/topic) does not
affect the value.
Descriptive text
for the
communications
state
corresponding to
the error code.
$SYS$StoreSettings
Integer/
ReadWrite
Used to make the temporary
update interval changes via the
$SYS$UpdateInterval item
permanent. If the client pokes a
value of 1 into this system item,
the currently set update interval
is written to the server’s
configuration file. The value of
this system item clears to 0 after
being set, if the configuration file
write is successful.
If the write fails, then the value is
set to -1.
If the update interval has been
changed via the
$SYS$UpdateInterval item and
this item is not poked to 1, the
DAServer uses the original
update interval for that topic the
next time it is started.
Reading the item always
provides 0.
Read/Write values are persisted
only if the user sets this system
item. The values other than this
persist only for the life of the
DAServer.
RANGE: -1, 0, 1
-1: Error
occurred during
saving the
configuration file.
0: Read value
always if status is
OK.
1: Persist
settings (cleared
immediately).