Chapter 4. WIRING

4 - 12 Isolation Between Input and Output

Isolation between inputs and outputs are shown below. In this figure, the solid lines enclose mutually-isolated sections. Those sections bounded by dashed lines are not isolated.

PV input CH1

PV input CH2

Loader communication

External switch input

Communication

Memory card input

Digital circuit

Control output CH1 Auxiliary output CH1

Control output CH2 Auxiliary output CH2

Event output

Handling Precautions

The loader jack is not isolated from internal digital circuits.

When not in use, always replace the cap.

4-18

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Honeywell DCP552 Mark II user manual Isolation Between Input and Output