Page 228 - Sensors and Control Systems in Manufacturing
P. 228
REMOTE SAFE AREA – +
– + – +
fiber optic cables
LED
HIGH VOLTAGE AREA D1 D2 R2 +V – A1 R s + –V D5 D6 same as above Fiber-optic current monitor.
R3
+V
–V
Instrumented conductor R1 D3 D4
FIGURE 3.70
(overcurrent protection)
I
188
