OPC90 Server
7.19 Output Multi-State Device Driver (OMSDD)
Device Driver block (function code 129). Note that this block does not received
blo
dis
sig
logic) or manual (under operator control).
Re
CIU
command series (CIC).
The OMSDD OPC90 block interfaces with Bailey consoles as a Bailey Multi-State
data from a MSDD block running in a Bailey controller. Use the OPC90 MSDD
ck for that purpose. The OMSDD is used to indicate multiple state control of
crete devices having up to four runtime states reported by up to four feedback
nals. The operating mode of the device can be reported as auto (controlled by
strictions: This OPC block can be utilized with all Bailey interface types except
01, serial port module (SPM, CPM02 & CPM03) and computer interface
TAGNAME TYPE ACCESS DESCRIPTION
ADDR_RING VT_I2 Config/Read Bailey CIU ring address.
ADDR_NODE VT_I2 Config/Read Bailey CIU node address.
ADDR_MODULE VT_I2 Config/Read Bailey CIU module address.
ADDR_BLOCK VT_I2 Config/Read Block number to establish this point at within
the Bailey interface (see note 1).
MSDD_TYPE VT_I2 Config/Read Bailey MSDD type code to use when
establishing this point (see note 2).
MAX_TIME VT_I4 Config/Read If OUT never changes, it will be reported at
the maximum time interval (seconds) defined
by this attribute.
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/Write Current quality (see note 3) of Bailey values
(0-good, 1-bad).
MODE VT_I2 Read/Write Mode of this control loop expressed as 0 –
Manual, 1 – Auto.
RED_TAG VT_BOOL Read/Write Device red tag indicator.
GOOD_STATE VT_I2 Read/Write Current good state (see note 4).
REQ_STATE VT_I2 Read/Write Current requested state (see note 4).
OUT VT_BOOL Read/Write Value of discrete output.
ALARM VT_BOOL Read/Write Indicates alarm condition.
F1 VT_BOOL Read/Write Current state of first feedback signal.
F2 VT_BOOL Read/Write Current state of second feedback signal.
F3 VT_BOOL Read/Write Current state of third feedback signal.
F4 VT_BOOL Read/Write Current state of fourth feedback signal.
OVR_CONTROL VT_BOOL Read/Write Current state of control override.
OVR_STATUS VT_BOOL Read/Write Current state of override status condition.
1.) ORCM, ORMC, ODD and OMSDD OPC90 blocks associated with the same OPC90 DEVICE
block. The block number attribute must also be defined within the range of 1 to maximum
number of allowed outputs set up within the associated OPC90 DEVICE block. The Bailey
system will receive data from this block at the ring and node address of the Bailey CIU
interface, module two and block number defined by the block attribute.
2.) The MSDD type code is a number used by the Bailey consoles to identify characteristics of
its MSDD faceplate display. Currently a value of zero is the only valid code.
The RoviSys Company Version 7.0 Page 91
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