User Manual
910.00382.0001 May 2018
24
3.1 Power Connection
Connector included with purchase of unit
The CAM-5 HMI uses a single connector for AC/DC power. The connector is a 2-terminal male Euro Style
plug that accepts a mating 7.62mm pitch screw terminal adapter. The adapter accepts 16-26 AWG wire.
Power connections shall be a minimum 18 AWG, tin-coated, soft drawn copper per ASTM B8, Class B
stranding, 300V rated. Insulation shall be EP (ethylene propylene) or EPCP (ethylene propylene
chlorosulfonated polyethylene compound).
Line and Neutral are symmetric in the CAM
TM
-5 and DC power may be applied at either polarity. Line and
Neutral have differential mode filtering and clamping to PE stud and have common mode filtering and
isolation to the remainder of the unit.
WARNING
POWER CABLES SHALL NOT BE ROUTED IN COMPARTMENTS WITH CONDUCTORS
EXCEEDING 300V
AC
. FAILURE TO MAINTAIN THIS SPACING CAN RESULT IN ARC FLASH,
PROPERTY DAMAGE, PERSONAL INJURY, AND LOSS OF LIFE.
Failure to follow the instructions given can result in death or serious injury
3.1.1 Input Power Details
The CAM-5 has a universal input power rating of:
• 100 to 250VAC 50/60 Hz 20W
• 120 to 250DC
1
20W
IMPORTANT
For best immunity to RF noise, the power cables should pass through a common ferrite and/or line
entry filter to improve measurements in high noise environments. Placing the ferrites immediately at
the conduit entry into the enclosure can reduce radiated EMI into the enclosure.
The following block diagram outlines the recommended power wiring for the CAM-5 with a 2-pole circuit
breaker for 120V AC input power.
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