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

4
SETUP AND PROCEDURES BEFORE OPERATION
4.4

Wiring

The wiring precautions and examples of module connection are provided below.
4.4.1
In order to optimize the functions of the Q66DA-G and ensure system reliability, external
wiring that is protected from noise is required.
The following shows the precautions for external wiring.
(1) Use separate cables for the alternating-current control circuit and the external output
(2) Do not mount the cables close to or bundle them with the main circuit line, a high-volt-
(3) Perform a one-point grounding for shielded lines and the shields of shielded cables.
(4) When the wiring of the module mounted right to the Q66DA-G is difficult, perform wir-
4
- 6 4.4 Wiring

4.4.1 Wiring precautions

Wiring precautions
signals and external supply power of the Q66DA-G in order to avoid AC surges and
induction effects.
age cable or a load cable from other than the programmable controller. This may
increase the effects of noise, surges and induction.
ing after removing the Q66DA-G.