9-54 9. MITSUBISHI ELECTRIC
Wiring diagram 3 - C4
Hakko Electronics’ cable “D9-MB-CPUQ- M” ( = 2, 3, 5, 10, 15)
When Connected at MJ1/MJ2:
RS-232C
Wiring diagram 1 - M2
According to our noise tests, the attachment of a ferrite core improves noise voltage by 650 to 900 V and aids in preventing communication
errors.
When connecting to the A/QnA series CPU directly, attach a ferrite core to the communication cable to avoid noise problems.
Ferrite cores are optionally available. The model name is “GD-FC” (inner diameter: 8 mm, outer diameter: 20 mm).
In consideration of such noise problems, it is recommended that the standard type link unit be used when the cable length of 15 m or
longer is required.
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