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MELSEC-Q
5 SETUP AND PROCEDURES BEFORE OPERATION
5.4 Wiring
This section explains how to wire the drive unit and mechanical system inputs to the
QD70.
The following are the precautions for wiring the QD70. Read these precautions
together with "Section 5.1 Handling precautions" to ensure work safety.
5.4.1 Wiring precautions
(1) Always confirm the terminal layout before connecting the wires to the QD70.
(2) Correctly solder the external device connection connector. An incomplete
soldering could lead to malfunctioning.
(3) Make sure that foreign matter such as cutting chips and wire scraps does not
enter the QD70. Failure to observe this could lead to fires, faults or malfunctioning.
(4) A protective label is attached on the top of the QD70 to avoid foreign matter such
as wire scraps from entering inside during wiring process. Do not remove the label
until the wiring is completed. Before starting the system, however, be sure to
remove the label to ensure heat radiation.
(5) Securely mount the exterd device connection connector to the connector on the
QD70 with two screws.
(6) Do not disconnect the external wiring cable connected to the QD70 or drive unit by
pulling the cable section. When the cable has a connector, be sure to hold the
connector connected to the QD70 or drive unit. Pulling the cable while it is
connected to the QD70 or drive unit may lead to malfunctioning or damage of the
QD70, drive unit or cable.
(7) Do not bundle or adjacently lay the connection cable connected to the QD70
external input/output signals or drive unit with the main circuit line, power line, or
the load line other than that for the PLC. Separate these by 100mm as a guide.
Failure to observe this could lead to malfunctioning caused by noise, surge, or
induction.
(8) If cables to connect to QD70 absolutely must be positioned near (within 100mm)
the power line, use a general shielded cable. The shield must be grounded on the
QD70 side. (Wiring examples are given on the following pages.)
Summary of Contents for GX Configurator-PT
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