OPC90 Server
7.10
Digital Output Loop (DOL)
The DOL OPC90 block is used to send an exception reported output generated
by updates to the block input tag (IN). The exception reports can be received by
a Bailey console digital tag, Bailey Digital Input / Loop blocks (function code 42)
nd Digital Input / Infinet blocks (function code 122). Note that this block does
OPC90 DOL block will automatically
enerate the appropriate quality, and alarming status based on the value
at the block
his OPC
ock
z
types
ort mod
).
TYPE
E
DES
a
not received data from a DOL (FC 45) block running in a Bailey controller. Use
the OPC90 DIL block for that purpose.
The
g
presented
input.
Restrictions: T
except serial p
90 bl
can be utili ed with all Bailey interface
and computer interface com
ule (SPM & CPM02)
mand
series (CIC
TAGNAME
ACC SS
CRIPTION
ADDR_RING
VT_I2
Confi
ail
g/Read
B
ey CIU ring address.
ADDR_NODE
VT_I2
Config/Read
ail
B
ey CIU node address.
ADDR_MODULE
VT_I2
Config/Read
Bailey CIU module address.
ADDR_BLOCK VT_I2
i
loc
the
Conf g/Read B
k
number
to establish this point at within
Bailey interface (see note 1).
MAX_TIME VT_I4 Config/Read
If IN
max
this
never changes, it will be reported at the
imum time interval (seconds) defined by
attribute.
ALARM_STATE VT_BOOL
Config/Read
The setting for the Bailey alarm limit used to
eri
d
ve the alarm condition (see note 2).
INIT_VALUE VT_BOOL
Config/Read
The
MA
not
IN value used to send initially when
X_TIME is exceeded if an OPC Client has
written to it.
MESSAGE
VT_BSTR
Read
Provides the block operational message.
TAG
VT_BSTR
Read
Provides the block name.
TAGLONG VT_BS
Read
ro
TR
P vides
the block long OPC path name.
TAGDESC
VT_BSTR
Read
Provides the block descriptor.
IN VT_BOOL
Read/Write
Discrete
ue to be exception reported
to B
input val
ailey.
QUALITY VT_BOOL
Read/Write
Current
ality (see note 3) of Bailey values
(0-g
qu
ood, 1-bad).
DISC_LIM
VT_UI2
Read
OPC90 discrete alarm state.
DISC_ACT
VT_BOOL
Read
Alarm active indicator.
OUT
VT_BOOL
Read
Last discrete input value reported to Bailey.
Notes:
ure the block n
u
nique w
, OMSDD, ORCM, ORMC, ORMSC and OSTN
with the same
ce Definit
h
numbe
range of 1 to maximum number of allowed outputs set up within the associated OPC90
E bloc
Baile
will re
s of the Bailey CIU interface, modul
BLOCK attribute.
to
ing state
A
flag alarm when output state is one. A value of 2
an alarm.
1.) Make s
umber attrib te is u
ith respect to the other other DOL, AOL,
OPC90 blocks associated
ODD
Bailey Interfa
ion block. T e block
r attribute must also be defined within the
Interface DEVIC
k. The
y system
ceive data from this block at the ring and
e two and block number defined by the
node addres
2.) This attribute is used
o.
setup outpu
value of 1 in
t alarm
dicates
s. A value of 0 indicates flag alarm when
output state is zer
indicates never flag
The RoviSys Company
Version 7.0
Page 75