Daiichi Electronics ASY-96 - Principle of Operation; Block-Diagram

ASY‑206‑077
21
10.Principleofoperation
10.1Block‑diagram
±15°
Timer
Timer
Timer
Timer
Cycle
Hzdetection
F
G
Hzdetection
F
B
Phasedifference
detection
A/Dconversion
△V
detection
△F
detection
25timer
Alarm
RAM
ROM
CPU
1/2frequency
divider
Voltagedetection
5V
±8V
12V
Powercircuit
Power
V G
V B
SLOW
AUTO
MANUAL
1/2frequency
divider
15R
15L
△F
△V
Alarm
%
Hz
25
±15°
Voltage
decrease
signal.
Voltage
increase
signal.
Governor
decrease
signal.
Governor
increase
signal.
60R
60L
±15°
25
ALARM
(Period)