FEC AFC1150 - Manual (Page 10)

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The inner I/O circuitry of the AFC1150 uses opto-couplers for circuit isolation, as shown in
figure 4.5.1-B.
Fig. 4.5.1-B
CHAPTER 4: INSTALLATION AND WIRING
Page 4 - 10
TERMINAL CONTROLLER INNER CIRCUIT
2.2K
10K
10
K
TC4584BP
0.033uF
PC817
PC815
TC74HC541AP
330K
I/O
1
2,3
5~8
4
IN COMMON
INPUT
TERMINAL
OUTPUT
TERMINAL
OUT COMMON