Advantech RS-485 user manual Figure F-12 The characteristic of the cable

Grounding Reference

•Never stripping too long of the plastic cable cover. Otherwise, this improper status will destroy the characteristic of the Shielded- Twisted-Pair cable. Besides, those nude wires are easy to adhere the noise.

•Cascade those shields together by “Soldering”. Please refer to following page for further detail explanation.

•Connect the shield to Frame-Ground of DC power supply to force those adhered noise flow to the ‘frame ground’ of the DC power supply. (The ‘frame ground’ of the DC power supply should be connected to the system ground)

Figure F-12: The characteristic of the cable

•The characteristic of the cable

Don’t strip off too long of plastic cover for solderinF. Otherwise will influence the characteristic of the Shielded-Twisted-Pair cable, and will make an easy way to adhere noise.

F-12 ADAM-5000