OPC90 Server
7.30 Station PID Control (STN)
The STN OPC90 block is used to retrieve and control the exception reported
outputs from Bailey Control Station blocks (function codes 21, 22, 23 & 80).
Restrictions: This OPC90 block can be utilized with all Bailey interface types
except serial port module (SPM & CPM02).
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.
STN_TYPE VT_I2 Read Station type:
1=Basic,
2=Ratio,
4=Cascade.
STN_LEVEL VT_BOOL Read/Write Station level (see note 1):
0=Local,
1=Computer.
STN_OK VT_BOOL Read Station computer ok indicator (see note 1):
0=Bad,
1=Ok.
STN_TIMER VT_I4 Read Station time in seconds since last computer
write (see note 1).
MODE VT_I2 Read/Write The mode of the Bailey block (see note 1):
0=Manual
1=Auto
2=Cascade
MODE_LOCK VT_BOOL Read Locked into current mode indicator.
EU VT_I2 Read Engineering Units Code.
EU_TEXT VT_BSTR Read Engineering Units String
PID_BLOCK VT_I2 Read/Write The Bailey PID/SMITH Predictor block
address associated with this control station
(see note 2).
SP_TRACKING VT_BOOL Read Set point tracking indicator.
SP VT_R4 Read/Write Current control station set point.
SP_HI_LIM VT_R4 Read SP high limit.
SP_LO_LIM VT_R4 Read SP low limit.
PV VT_R4 Read Current control station process value.
PV_BLOCK VT_I2 Read Process value block address.
RI VT_R4 Read/Write Current control station ratio index value.
OUT_TRACKING VT_BOOL Read Control output tracking indicator.
OUT VT_R4 Read/Write Current control output value received from
Bailey.
OUT_HI_LIM VT_R4 Read/Write OUT high limit (see note 3).
The RoviSys Company Version 7.0 Page 115
To Next Page
Loading...