Administration of a warehouse for unpainted cars FBB
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"Administration" means that the applications
themselfes include an own administration of a warehouse, maintain
the image of all cars currently present in the warehouse and handle
the algorythms how or where to insert or extract cars to/from the
warehouse.
The general idea behind the entire installation of FBB is to provide
the paint-shop with an optimized flow of cars with respect to the
color to be painted.
There are a total of five systems involved in this application: |
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The FIS system as a provider for car
related information like color and type of the car |
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The system PY, which is made up by a
slot PC from VIPA mounted into the I/O rack of the control PLC. This
system is responsible for maintaining the warehouse image and for
finding an appropriate lane for inserting a car into the warehouse. |
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The system NZ, which is also made up
by a slot PC from VIPA mounted into the I/O rack of the control PLC.
This system is responsible for maintaining the extraction algorithm,
for providing the actual data for the MMI (man machine interface)
and for sending update information to the warehouse image. |
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The MMI system, which builds the user
interface for information and certain controls of the warehouse. |
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The EDE system (emergency data entry),
which is used for the manual entry of data in case of a misreading
of the unattended scanner systems of PY and NZ |
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The MMI system (Man-Machine-Interface) is located in the control-room
of FIS and is made up by an office PC running the Windows95 operating
system.
The application for monitoring and controlling the warehouse was designed
by ICS using InTouch from Wonderware.
The dynamic data is fetched from system NZ at the exit of the warehouse
via a serial communication link running the protocol RK512. The serial
link is transported via the network using COM servers made by Wiesemann&Theis,
Germany. |
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The monitor display provides the following
elements: |
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representation of 5 lanes, 27 positions
each |
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the number of cars stored in each lane
(CONT) |
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the maximum number of cars allowed in
a lane (may be modified by operator entry) |
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the quality of the color sorting mechanism:
a change in the display-color indicates a change of the car-color |
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the status of the blocking mechanism
at the top and the bottom of each lane (IN and OUT). A lane could
be blocked from insertion or extraction by operator entry |
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the status of the priority extraction
(SET and COUNT). The operator is allowed to give priority to a lane
for the extraction of cars |
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