
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CH1
CPU
13
14
9
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+
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A1 output
A2 output
A3
output
A4
output
A5
output
A6
output
Input
circuit
Power
circuit
Output
circuit
Output
circuit
Insulation
circuit
Insulation
circuit
Insulation
circuit
Display/Setting
key circuit
Power supply
T
C
1
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4
A
B
B
R
T
D
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CPU
13
14
9
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12
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+
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+
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+
A3
output
A4
output
A5
output
A6
output
A1 output
A2 output
Power supply
Output
circuit
Power
circuit
Output
circuit
Insulation
circuit
Display/Setting
key circuit
Input
circuit
Insulation
circuit
Insulation
circuit
SE1EA
(Fig. 4.2-5)
SE1RA
(Fig. 4.2-6)