CI867K01 3BSE043660R1 ABB Communication interface kit (available in stock)

CI867K01 3BSE043660R1 ABB Communication interface kit (available in stock)

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If other devices are to be powered from the same isolated power supply that is

powering the NGC, be careful to avoid any ground loops. The various devices

should be connected in a star configuration. It is also important that any additional

powered devices be able to handle a fairly wide range of input voltages, as the

NGC’s heater will draw about 4 amps (if the auxiliary heater is installed, it might be

as much as 8 amps). This load (4-8 amps) being drawn across any considerable

length of cable can result in a substantial voltage drop (Please refer to Cable

Length Power Specifications table). The resulting lower input voltage to the

additional device could effect its operation. Input voltage excursions fluctuate with

the toggling of the NGC’s heater(s). The heater(s) are turning on and off in an

effort to maintain a very constant internal temperature for the NGC’s GC module.

In an office environment, insure that a good earth ground is established to the

NGC8206. In an office situation, it is easy to not have the NGC well grounded.

Often the third pin (ground) on the power cable is missing or has been removed.

Improper grounding can lead to erratic behavior. Be sure that the unit is properly

grounded. If the unit is not properly grounded, the user could have as much as

60VAC (half line voltage) on the case of the equipment due to capacitive coupling

within the power supply.