Kistler-Morse KM ORB - Manual (Page 11)

WIRING POWER DIAGRAMS
• All wiring shown is customer installed.
• Route all AC wiring separate from all other wiring.
• To prevent ground loops, connect signal wire shields at one end only.
• Each of the three (3) COM ports can be configured individually for the RS-422 or RS-485 to satisfy the
COM requirements of the equipment that the ORB is being connected to. Up to 100 pieces of RS-
422 or RS-485 based equipment can be connected to a single COM port provided that each piece of
equipment is given a unique address.
• For Ethernet applications, maximum cable length is 300 ft (90 m).
• For RS-232 applications, maximum cable length is 50 ft (15 m).
• For RS-422 applications, maximum cable length is 4000 ft (1200 m). Recommend using Belden ® 8723 or
equivalent.
• For RS-485 applications, maximum cable length is 4000 ft (1200 m). Recommend using 22 AWG 2 pair
twisted shield Belden 8723 or equivalent.
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97-1167-01 Rev. J
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