Omron FQM1-CM001, FQM1-MMA21 3-6Wiring Precautions, 3-6-1Reducing Electrical Noise, Section

Wiring Precautions Section 3-6

•Attach the modified cable to the XW2D-40G6 Connector-Terminal Block Conversion Unit.

XW2D-40G6 Connector-

Terminal Block Conversion Unit

XW2Z-100J-C1 or

XW2Z-200J-C1

RS-422A Cable

RS-422A Connecting Cable		Connector-Terminal Block
		Conversion Unit terminal
No.	Signal
		number
2	SDB+	A18
1	SDA−	A17
8	RDB+	B18
6	RDA−	B17

3-6 Wiring Precautions

3-6-1 Reducing Electrical Noise

I/O Signal Wiring

Whenever possible, place I/O signal lines and power lines in separate ducts or raceways both inside and outside of the control panel.

1

2

Suspended ducts

1 2

In-floor ducts

1 = I/O cables

2 = Power cables

12

Conduits

If the I/O wiring and power wiring must be routed in the same duct, use shielded cable and connect the shield to the GR terminal to reduce noise.

85