FAB
I
ntelligent
C
ontrollerr
I5- connected to the water meter
I6- connected to the gas meter
I7- connected to the watt-hour meter
Output parts:
Q1- connected to the air-condition equipment
Q2- connected to the ventilation equipment
Q3- connected to the alarm equipment
6.8
The control requirement and conguration:
(一)FAB1 controls the 2000V withstand voltage counting assembly line
1. I5 is used for counting the diodes, which enter the assembly line (I5 will auto-
matically give the sum of to be tested diodes)
2. I6 is used for counting the diodes with 2000V withstand voltage
3. Q1 is used for labeling the diodes with acceptable withstand voltage
4. Q2 is used for enclosing the labeled diodes
5. If the counting value of I6 is multiples of 1000, Q3 will be switched on to start
the packing equipments
6. Diodes that cannot withstand 2000V voltage shall be transferred to 1500V as-
sembly line.
(二)FAB2 will control 1500V withstand voltage assembly line, while FAB3 will
control 1000V withstand voltage assembly line, FAB4 the 500V withstand volt-
age one and FAB5 the 80V withstand voltage one. Their control requirements and
congurations are the same with FAB1.
(三)FAB-SCADA, the monitoring software, can be used to monitor all the FABs.
Through bus 485 each of these FABs can respond to the instructions of the PC,
which include the counting of diodes and FAB I/O status. After receiving the data
from the FABs, the PC will display them on the screen. What’s more, the PC pro-
vides the data storage and inquiry function to count and analyze diodes in time.
94
The application of FAB in a voltage diode counting and packing assembly
line
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