FP0 Hardware 9.1 Safety Instructions
9-3Matsushita Electric Works (Europe) AG
9.1.5 Protecting Power Supply and Output Sections
An insulated power supply with an internal protective circuit should be used. The power
supply for the control unit operation is a non-insulated circuit, so if an incorrect voltage
is directly applied, the internal circuit may be damaged or destroyed. If using a power
supply without a protective circuit, power should be supplied through a protective
element such as a fuse.
If current exceeding the rated control capacity is being supplied in the form of a motor
lock current or a coil shorting in an electromagnetic device, a protective element such
as a fuse should be attached externally.
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