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13. Blok diagram
24 V
25 mA
Voltage
Analog
input 1
Current
Ref/0 V
24 V
25 mA
Voltage
Analog
Current
input 2
Ref/0 V
DI 1
DI 2
Digital
DI 3
inputs
DI 4
DI 5
DI 6
CNT
Ref/0 V
General
Alarm
DO 7
Output
Relay (CO)
High Water
Alarm
DO 8
Output
Relay (CO)
116
CU 401
RIV
50 VAC
120 k
830 k
250
MUX
120 k
830 k
250
6x4.7 k
24 V
Relay Circuit
RIV
400 VAC
Relay Circuit
RIV
400 VAC
Power
Supply
RIV
24 V
50 VAC
0V
Opto
Isolation
RIV
50 VAC
A/D
Converter
5 V
3.5 k
CPU
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