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DC 12V IN
+
–
n Adjust the focus position.
Loosen the flange-back lock screw and rotate the flange-back adjustment ring to adjust the
focus position while monitoring the video monitor. When completing the adjustment, tighten
this screw.
Recommended tightening torque: 0.05 N·m {0.5 kgf·cm}
Important:
• When the screw is tightened stronger than the recommended tightening torque, it may
strip the thread or cause focus misalignment.
Notes:
• When using a fixed-focal lens featuring the focus adjustment, adjust the flange-back
length after setting the lens focus to the FAR end.
• When using a vari-focal lens featuring the focus adjustment, refer to the operating
instructions of the lens in use.
• 24 V AC (WV-CP284)
The recommended cable length and thickness are shown in the table for reference. The
voltage supplied to the power terminals of the camera should be within 19.5 V AC and 28 V
AC.
Copper wire
size (AWG)
Resistance
Ω/m
Resistance
Ω/ft
#24
(0.22 mm
2
)
0.078
0.026
#22
(0.33 mm
2
)
0.050
0.017
#20
(0.52 mm
2
)
0.03
0.010
#18
(0.83 mm
2
)
0.018
0.006
Copper wire
size (AWG)
Length (m)
Length (ft)
#24
(0.22 mm
2
)
20
65
#22
(0.33 mm
2
)
30
100
#20
(0.52 mm
2
)
45
160
#18
(0.83 mm
2
)
75
260
AC 24V IN
2N1L
GND
• 12 V DC (WV-CP284)
Use the formula below to calculate the power cable and power supply. The voltage sup-
plied to the power terminals of the camera should be within 10.8 V DC and 16 V DC.
10.8 V DC ≤ V
A
− 2(R x I x L) ≤ 16 V DC
L : Cable length (m)
R : Resistance of copper wire (Ω/m)
V
A
: DC output voltage of power supply unit
I : DC current consumption (A). See specifications.
Resistance of copper wire [at 20°C {68°F}]