OPC90 Server
7.4 Data Acquisition Analog (DAANG)
ACCESS
DESCRIPTION
The DAANG OPC90 block is used to retrieve the exception reported output from
Bailey Data Acquisition Analog blocks (function code 177).
Restrictions: This OPC90 block can be utilized with all Bailey interface types
except serial port module (SPM & CPM02).
TAGNAME TYPE
ADDR_RING VT_I2
C
B
onfig/Read
ailey ring address.
ADDR_NODE VT_I2
C
B
onfig/Read
ailey node address.
ADDR_MODULE VT_I2
C
B
onfig/Read
ailey module address.
ADDR_BLOCK VT_I2 C
B
onfig/Read
ailey block address.
MESSAGE
R
P
VT_BSTR
ead
rovides the block operational message.
TAG
VT_BSTR
R
P
ead
rovides the block name.
TAGLONG
Read
P
VT_BSTR
rovides
the block long OPC path name.
TAGDESC
R
P
VT_BSTR
ead
rovides the block descriptor.
QUALITY VT_BOOL
Read C
-bad).
urrent
quality
of Bailey values (0-good, 1
COMMAND
R
Command attribute to request Bailey DAANG
block as follows (only valid when mode is Auto):
0
1
2
3
4
5
VT_I2
ead/Write
-Use Auto Input
-Use Calculated Input
-Suppress Alarms
-Un-suppress Alarms
-Turn Scan Off
-Turn Scan On
ALARM_CTRL
Read/Write A
VT_R4
larm control (see FC 177, S20).
SIG_CHANGE
Read/Write S
exception report
(
VT_R4
ignificant change to force an
see FC 177, S30).
TBA_PERIOD
Read/Write T
VT_R4
ime
based alarm period (see FC 177, S31).
HI_RATE
R
High rate of change value (see FC 177, S32).
VT_R4
ead/Write
LO_RATE
R
L
177, S33).
VT_R4
ead/Write
ow
rate
of change value (see FC
TSA_COUNT VT_R4 Read/Write Time ce alarm count (see FC 177, S34).
sequen
OUT_HI_LIM
VT_R4
R
O
ead
UT high limit.
OUT_LO_LIM
VT_R4
R
O
ead
UT low limit.
OUT
VT_R4
Read/Write
Current output value received from Bailey.
EU
VT_I2
R
E
ead
ngineering Units Code.
EU_TEXT
VT_BSTR
R
E
ead
ngineering Units String.
MODE
Read/Write
The mode of the Bailey block.
0
1
VT_I2
- Manual
- Auto
RED_CMD
R
rite
R
tion).
VT_BSTR
ead/W
ed
tag
command (see red tag users sec
RED_TAG
VT_BOOL
R
Red tag indicator (0 – no, 1 – yes).
ead
RED_USERS
VT_BSTR
R
R
names or codes).
ead
ed tag users (current user
HI_HI_HI_ACT
VT_BOOL
Read
High high high alarm active indicator.
HI_HI_ACT
VT_BOOL
Read
High high alarm active indicator.
HI_ACT
VT_BOOL
Read
High alarm active indicator.
HI_RATE_ACT
VT_BOOL
Read
High alarm rate active indicator.
LO_RATE_ACT
VT_BOOL
Read
Low alarm rate active indicator.
LO_ACT
VT_BOOL
Read
Low alarm active indicator.
LO_LO_ACT
VT_BOOL
Read
Low low alarm active indicator.
LO_LO_LO_ACT
VT_BOOL
Read
Low low low alarm active indicator.
DVLIM
VT_R4
Read/Write
Deviation alarm limit.
The RoviSys Company
Version 7.0
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