Omron CV500 Installation Manual page 65

Power Supply Units
Caution
!
Power Requirements
DC Power Supply Units: CV500-PS211
Power Requirements
Internal Fuse
52
Abide by the following precautions when wiring the Power Supply Units. Failure
to abide by these precautions my cause faulty operation or damage to the Unit.
Be sure that no wire clippings or other foreign materials enter the Units when
wiring.
Provide circuit breakers and other protective devices to protect the system
again external short circuits.
Check and recheck all wiring before supplying power to the system.
After wiring the terminals check the terminal block to be sure it is firmly locked
in place.
A CV-series PC consumes up to 200 VA per Rack. Power consumption varies
with the system configuration (refer to 3-4-6 Current Consumption ). When pow-
er is applied, a surge current five times the steady-state current will flow to the
PC.
Screw (3.5 mm head with
self-raising pressure plate)
+
–
Power Line
Use AWG 14
twisted-pair cable
(cross-sectional area: 2
2
mm min.)
Do not reverse polar-
ity.
A CV-series PC can consume up to 100 W of power per Rack. Power consump-
tion varies depending on the system configuration (refer to 3-4-6 Current Con -
sumption ). When power is applied, a surge current several times the
steady-state current will flow to the PC.
Do not turn on power to the DV Power Supply Unit while the 5-V output terminals
are closed. If power is supplied when the 5-V output terminals are closed, the
internal fuse may blow.
Breaker
DC power source
Supply 24 VDC
Keep voltage fluctuations
within the specified range
(refer to Appendix B Specifi -
cations )
Section 3-4