Omron CQM1H-SCB41 Wiring Connectors, Cable Preparation, Shield Connected to Hood FG

Wiring Section 2-3

Note The Hood (FG) is internally connected to the ground terminal (GR) on the Power Supply Unit. Therefore, FG is grounded by grounding the ground terminal (GR) on the Power Supply Unit.

Serial Communications Board

Power Supply Unit

	Hood and GR are
	internally connected.
Ground to 100 Ω or less	Grounding the GR terminal
	grounds the Hood (FG).

3.Be sure to turn ON the terminating resistance at the last Unit at the end of the RS-422A/485 cable.

2-3-7 Wiring Connectors

Use the following steps to wire connectors.

Cable Preparation

See the following diagrams for the length of the cable portion to be cut in each step.

Shield Connected to Hood (FG)

1, 2, 3... 1. Cut the cable to the required length.

2.Remove the specified length of the sheath from the cable using a knife. Be careful not to scratch the braided shield.

25 mm (RS-422A)

40 mm (RS-232C)

3.Trim off the braided shield using scissors so that the remaining shield length is 10 mm.

10 mm

4.Remove the insulation from each conductor using a stripper so that the ex- posed conductor length is 5 mm.

5 mm

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