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MEASURE INPUT
1
BINDING
POSTS
ATTENUATORS
PROTECTION
MODULE
TYPE 'N'
CONNECTOR
MEASURE DAC
2
BINDING
POSTS
ATTENUATORS
PROTECTION
MODULE
TYPE 'N'
CONNECTOR
FLOWCHART
1
MEASURE
INPUT=M1
DAC
PROTECTION INTERRUPT
TRANSFER
SWITCH
AND
AMPLIFIERS
PROTECTION INTERRUPT
AND
AMPLIFIERS
28 Hz
2
SET
MEASURE
DAC=M2
Figure 2-1. Functional Block Diagram
Functional Block Diagram Discussion
RMS
A/D
SENSOR
DAC
CHOPPER
RMS
A/D
SENSOR
DAC
CHOPPER
NO
ADJUST
M1-M2<
IDELTAI?
YES
DISPLAY
MEAS
Theory of Operation
CPU
M1
CPU
M2
DAC
elu002.eps
2
2-3
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