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6/28/2007 page 13 of 145
APPLYING POWER (Side View)
• Unscrew & Remove the DC Voltage Input
Plug from the Power Input Header
• Install the DC Power Cables into the Plug
(observing polarity).
• For best results keep the power cable length
to a maximum of one (1) meter.
• Plug the Voltage Input Plug back into the
Power Input Header.
• Tightening torque for the terminal block
power plug is 0.5 Nm/0.368 Pound Foot.
• Verify the Power LED stays ON (GREEN).
Note: Only 1 power supply must be connected to power for minimal operation. For redundant power
operation, V
1
and V
2
inputs must be connected to separate DC Voltage sources. This device will draw
current from both sources simultaneously. Use 16-28 gauge wire when connecting to the power supply.
Recommended 24V DC Power Supplies, similar to: N-Tron’s P/N NTPS-24-3:
• Input AC 115/230V
• Output DC 24-28V
• Output Current 3A @ 24V
2.6A @ 28V
• Power 72W
• 35 mm DIN-Rail Mountable
• Dimensions: 45X75X91 mm