Wiring; Wiring Precautions - Mitsubishi MELSEC-Q Series User Manual

4
SETUP AND PROCEDURES BEFORE OPERATION
4.4

Wiring

The following explains the wiring precautions and module connection example.
4.4.1
External wiring that is less susceptible to noise is required as a condition of enabling a
highly reliable system and making full use of the capabilities of Q68TD-G-H01.
(1) Use separate cables for the AC control circuit and the external input
(2) Always place the thermocouple at least 100mm away from the main
(3) The following wiring is required for the product to comply with the EMC
4
- 5 4.4 Wiring

4.4.1 Wiring precautions

Wiring precautions
signals of the Q68TD-G-H01 to avoid the influence of the AC side surges
and inductions.
circuit cables and AC control circuit lines. Fully keep it away from high-
voltage cables and circuits, which include high frequency waves, such
as an inverter's load circuit. Not doing so will cause the module more
susceptible to noises, surges and inductions.
and Low Voltage Directives.
In a control panel
Q68TD-G-H01
A6CON4
Relay
terminal
block
20(7.87) to 30cm
(a) Use shielded cables for every external wiring and use the AD75CK cable clamp to
ground to the panel. AD75CK can ground four cables together when using cables
with outer diameter of about
(b) For wiring between A6CON4 and a relay terminal block, use shielded cables to
ground to the panel. In addition, keep the wiring distance within 3m.
(c) Before touching the relay terminal block, always touch the grounded metal to
discharge the electricity charged in the body.
(11.81 inch)
7mm.
AD75CK
Strip off the
outer sheath