ABB REO 517 Applications Manual page 199

Multi-function terminals for railway application
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Apparatus control
The apparatus control handles different kind of commands coming from different oper-
ator places. Interpret the local operator place as the back-up panel.
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These commands are supported from remote operator place:
Select, open/close
Execute, open/close
Cancel the selection
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These commands are supported from the station HMI:
Select, open/close
Execute, open/close
Cancel the selection
Block/deblock operation (per apparatus or bay)
Override of reservation, interlocking and/or synchro-check/phasing
Selection of operator place, station and/or remote
Block/deblock updating of the position indications (per apparatus or bay)
Setting of the position indication, open/close
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These commands are supported from the local HMI (back-up panel):
Select, open/close
Execute, open/close
Override, reservation and/or interlocking
Set operator place to local (switch on the back-up panel)
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An automatic program (placed in the control terminal or in external equipment) can be
connected to the apparatus control. These signals can be connected to the apparatus con-
trol:
Signals for select (open/close)
Signals for execute (open/close)
Cancel the selection
Signal to reserve the apparatus for automatic functions. Used when the apparatus is
included in a sequence
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189

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