Download Microprocessor-controlled reluctance motor

55
Flags:
F1 =0
F, 1
f,=O
F;=I
F2 =2
F 1 =1
Input:
Output:
Execute TABLE subroutine
Pending timer overflow
1
Current exceeds maximum value
l
U=O
X.Y.A
TAB
T
T"
T
T~
OYF
HT
RT
Fig. 3.3.7.
Interrupt allowed
Interrupt not allowed
Interrupt during execution of TABLE
subroutine
TF=I
U=l
Variables:
Condition
Start frorn standstill
Start with moving rotor
Switch closed
Switch opened
Temporary variables
Array, stored values of T" and T"
Array, time between interrupts
Arrav. used for WAIT subroutine
Array. switch-on time
Array, pulse width
Counter. number of timer overflow
Counter. guards OVF
Counter. number of interrupts to be passed
before adaptation of T" and Tt, in the
TABLE subroutine
Temporary variable
Symbols used in control program.