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Terminal block power option
If the terminal block power option is selected, mainboard power is applied to the Helix platform
through a 4-pin terminal block connector (Mating part: Dinkle #2ESDVM-04P-BK or equivalent).
The system is operational from 12V~24V (HX401) [see section 4.3 for input voltage qualifications].
The maximum rated current of the connector is 15A per pin. Use a wire gauge that is rated for the
operational current. Cables should be properly terminated with wire ferrules. Do not use the terminal
block with tinned wire ends or solid core wire. See below for the connector pinout which is also
indicated on the terminal block mounting panel adjacent to the connector. Installation of DC Mains
connection shall only be performed by skilled personnel and in accordance with your local and
national electrical code (Example: NEC, CEC).
When using the remote switch connections with the terminal block option, mating power switch
cables should be a twisted-pair wire with floating shield to assure proper immunity to EMI/RFI. It is
recommended to keep wires at less than 3 meters in length. Switches should be momentary contact
type only.
Terminal block power pinout
Pin
Function
1
DC +
2
DC -
3
SW1
4
SW2
20
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