5.7 Controllable objects
5 Control functions
Technical description
116
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VM55.EN005
5.7.
Controllable objects
The device allows controlling of six objects, that is, circuit-
breakers, disconnectors and earthing switches. Controlling can
be done by "select-execute" or "direct control" principle.
The logic functions can be used to configure interlocking for a
safe controlling before the output pulse is issued. The objects
1...6 are controllable while the objects 7...8 are only able to
show the status.
Controlling is possible by the following ways:
o
through the local HMI
o
through a remote communication
o
through a digital input
o
through the function key
The connection of an object to specific output relays is done via
an output matrix (object 1-6 open output, object 1-65 close
output). There is also an output signal “Object failed”, which is
activated if the control of an object fails.
Object states
Each object has the following states:
Setting
Value
Description
Object state
Undefined (00)
Actual state of the
object
Open
Close
Undefined (11)
Basic settings for controllable objects
Each controllable object has the following settings:
Setting
Value
Description
DI for „obj open‟
None, any digital
input, virtual input
or virtual output
Open information
DI for „obj close‟
Close information
DI for „obj ready‟
Ready information
Max ctrl pulse length
0.02 … 600 s
Pulse length for open
and close commands
Completion timeout
0.02 … 600 s
Timeout of ready
indication
Object control
Open/Close
Direct object control
If changing states takes longer than the time defined by “Max
ctrl pulse length” setting, object fails and “Object failure”
matrix signal is set. Also undefined-event is generated.
“Completion timeout” is only used for the ready indication. If
“DI for „obj ready‟” is not set, completion timeout has no
meaning.
