Apparatus control
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1MRK 580 150-XEN
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Version 1.0-00
3Design
3.1 General The apparatus control function contains several function blocks. These
function blocks are interconnected to form a control program reflecting
the switchyard configuration.
A control program contains four main types of function blocks. The total
number used depends on the switchyard configuration. Beside the main
types of function blocks the program contains simple logic like AND/OR
gates.
These four main types are called BAYCON, COMCON, SWICON, and
BLKCON.
BAYCON:
• BAY CONtrol, used for bay-oriented functions (one per bay) such as
reservation, valid operator place, and supervision of select relays
(when used).
COMCON:
• COMmand CONtrol, used for each apparatus. Supervises commands
coming from the different operator places. The interface to the oper-
ator places.
SWICON:
• SWItching CONtrol, used for each apparatus. Supervises operating
apparatuses. The interface to the process.
BLKCON:
• BLocK CONtrol, universal element used for different kinds of
blockings. One per bay and one per apparatus.
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