OPC90 Server
7.3 Block Data (BLK)
The BLK OPC90 block provides Bailey function block configuration capabilities.
It supports reading Bailey configuration, tuning specifications, changing module
modes, writing new blocks, modifying existing blocks, deleting blocks and saving
and restoring module configurations. The BLK block is designed to allow OPC
MMI clients to easily set up a Bailey function block programming environment.
Restrictions: None, this OPC90 block can be utilized with all Bailey interface
types.
TAGNAME TYPE ACCESS DESCRIPTION
ADDR_RING VT_I2 Config/
Read/Write
Bailey ring address.
ADDR_NODE VT_I2 Config/
Read/Write
Bailey node address.
ADDR_MODULE VT_I2 Config/
Read/Write
Bailey module address.
ADDR_BLOCK VT_I2 Config/ Bailey block address.
Read/Write
MESSAGE VT_BSTR Read Message indicating result of the last
nfiguration related request. co
TAG VT_BSTR Read Provides the block name.
TAGLONG VT_BSTR Read Provides the block long OPC path name.
TAGDESC VT_BSTR Read Provides the block descriptor.
READ VT_BOOL Read/Write Set to request the specifications for the
addressed block to be read. The driver will
reset this attribute when the read request is
completed.
NEXT VT_BOOL Read/Write Set to request a read of the specifications for
the next block from the current one. The driver
will reset this attribute when the next block
reque
OCK att the next block read.
read
BL
st is completed and update the
ribute to reflect
TUNE Set to request a tune operation for any
cificatio d after
reading them. The driver will reset this attribute
en the t .
VT_BOOL Read/Write
spe ns that have been change
wh une read request is completed
DEFAULT Read/Write Set to requ
specification settings for the function code
indicted by the FC attribute. The driver will
reset this a
request is
VT_BOOL est a read of the default
ttribute when the read default
completed.
PASSWORD ssword
and some
COMMAND attribute. Will indicate “????????”
when locked and “********” when unlocked.
VT_BSTR Read/Write Pa to unlock the OPERATION attribute
commands supported by the
FILE_TYPE en reset the configuration file type used by
the save and load command is the RoviSys
OPC90 “C
ABB Bailey sed.
VT_BOOL Read/Write Wh
90” file type format. When set the
“CFG” file type format is u
COMMAND pports a variety of Bailey controller
configuration activities using simple text based
ands
VT_BSTR Read/Write Su
comm . See user configuration command
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