M-0397
EE PROM BOARD (OPTIONAU
M-0298
MEMORY BOARD
+
Fl
�UPPLY.- -,
:
- V
@----
@>-f"-;;-;
1..
2
0
V
POWER
SUPPlY
WATCH
DOG
TIMER
GND 5V
RESET
POWER
ON
CLEAR
ADDRESS
CONTROL
SQUARING
CIRCUIT
OVER
VOLTAGE
DETECTOR
UNDER
VOLTAGE
DETECTOR
AC TO
DC
AC
IN
I/O PORTS
FIGURE
15
Block Diagram
-12-
LED
DRIVE
RELAY
DRIVE
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