5-13
5.3.2 Output Wiring
Protective circuit for inductive loads
• With an inductive load, a protective circuit should be installed in parallel with the load.
• When switching DC inductive loads with relay output type, be sure to connect a diod across the ends of
the load.
When using an AC inductive load
When using a DC inductive load
Precautions when using capacitive loads
When connecting loads with large in-rush currents, to minimize their effect, connect a protection circuit
as shown below.
About the short-circuit protective circuit
To prevent the output circuit from being damaged by a short-circuit or other electrical problems on the
output side, a transistor with short-circuit protection is provided.
(Excluding the Y0, 1, 3, 4 of the FPΣ control unit and the FP0 expansion unit)
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