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5. EXTERNAL WIRING
5.1 Wiring Precautions
(1) Inputting a signal of different voltage may result in a malfunction or
mechanical failure.
(2) For 1-phase input, always perform pulse input wiring on the phase
A side.
(3) When pulse status noise is input, the QD63P6 may miscount.
(4) Take the following measures against noise for high-speed pulse
input.
(a) Always use a shielded twisted pair cable and provide
(b) Wire the shielded twisted pair cables so as not to be in parallel
(5) When wiring the QD63P6 and an encoder, separate the power
supplycable and signal line.
(6) To conform the wiring to the EMC and Low Voltage Directives,
ground the shielded twisted pair cables to a control panel with the
AD75CK cable clamp (manufactured by Mitsubishi Electric
Corporation).
AD75CK
grounding.
with wires causing much noise such as power lines or I/O
wires while keeping a distance of at least 150 mm (5.91 inch)
between such wires. Also install the shielded twisted pair
cables as short as possible.
In a control panel
20cm (7.87inch)
20cm (7.87inch)
20cm (7.87inch)
to 30cm (11.81inch)
to 30cm (11.81inch)
to 30cm (11.81inch)
Figure 5.1 AD75CK cable clamp
6
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