OPC90 Server
7.32 Text String (TEXTSTR)
The TEXTSTR OPC90 block is used to retrieve the exception reported output
from Bailey Text String blocks (function code 194).
Restrictions: This OPC block is only valid for Bailey interface types INICI03,
INICI12 and INICI13.
TAGNAME TYPE ACCESS DESCRIPTION
ADDR_RING VT_I2 Config/Read Bailey ring address.
ADDR_NODE VT_I2 Config/Read Bailey node address.
ADDR_MODULE VT_I2 Config/Read Bailey module address.
ADDR_BLOCK VT_I2 Config/Read Bailey block address.
MESSAGE VT_BSTR Read Provides the block operational message.
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.
QUALITY VT_BOOL Read Current quality of Bailey values (0-good, 1-
bad).
QUAL_OVR VT_BOOL Read Quality override (0-Off, 1-On).
EU VT_I2 Read Engineering Units Code.
EU_TEXT VT_BSTR Read Engineering Units String.
MODE VT_I2 Read/Write The mode of the Bailey block.
0 - Manual
1 - Auto
MODE_LOCK VT_BOOL Read Mode lock (0-Off, 1-On).
ALARM VT_BOOL Read Alarm active indicator.
ALARM_REQ VT_BOOL Read/Write Alarm request (0-No, 1-Yes) (see note 1).
TEXTSTR VT_BSTR Read/Write Text string value (see note 2).
TEXTSTR_LOCK VT_BOOL Read Text string lock (0-Off, 1-On).
TEXTSTR_MAX VT_I2 Read Maximum text string size allowed.
TEXTSTR_SEQ VT_I2 Read Comm system text string sequence number.
Notes:
1.) When ALARM_REQ is set (1) and a write occurs to TEXTSTR, the write will specify the string
is in alarm.
2.) The text string value can be written when the block is in manual mode, the text string lock is
not on and the TEXTSTR application and / or block configuration supports writes.
The RoviSys Company Version 7.0 Page 119
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