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3 I N S TA L L AT I O N
1. Loosen the emergency alert screw connectors on the back of the unit. Refer to
Figure 3-3 :
Figure 3-3 — Emergency alert connection
Emergency alert
r e m o t e c o n t r o l u n i t
= p i
.
-
n
2. Align and then secure the ground wire to the alert connector (labeled ^ ) on the
back of the unit.
3. Align and then secure the positive signal wire to the connector labeled on
the back of the unit.
OM 2000 Power Connection to AC Power
For AC units, use only an AC power cord that complies with the country's product
safety requirements.
For AC units, connect the AC-power cord after all I/O connections are complete. The
power supply automatically senses and adapts to any input from 100 through
240VAC, at 50 through 60 Hz.
A To prevent electrical shock, do not use the polarized power cord with an
! \ extension cord, receptacle, or other outlet unless all blades can be fully
inserted to prevent blade exposure.
OM 2000 Power Connection to DC Power
For DC units, use the provided DC power cord assembly.
For DC units, connect the DC power cord after all I/O connections are complete. The
power supply automatically senses and adapts to any input from -40 through -60 V
D C .
C a u t i o n !
The OM 2000 with DC power must be installed in a restricted access area. Do
/ ! \ not power this device with less than -40 V DC
The input of the power supply is isolated from chassis ground. Either the positive or
the negative input terminal can be grounded, as determined by the application. See
the table below for typical -48 V DC system installation:
21
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