Chapter 6 Trial run
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Fig.6.7 Sequence sketch map for hold release signal
When the power is cut off, no drive is available for servo unit. Affected by the outer
circuit (etc. relay), the braking coil is powered off in suspense for dwelling braking action
that will cause the instant falling of the work table by gravity. When turning off the
system, first switch off enabling (SON) to ensure the output of the braking signal, then
cut off the power.
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