JVC TK-WD310U Instructions - Page 23

Power supply DC 12 V or AC 24 V, Do not allow input from both a DC 12 V and AC 24 V power

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Ⅵ Power supply (DC 12 V or AC 24 V) Connect the DC 12 V or the AC 24 V power supply to the DC 12V/AC 24V terminals. To prevent connection errors or a cable disconnection, we recommend the use of lug plates for the connections. The following table shows the connection distances and connection cables provided that 2-conductor VVF cables (vinyl-insulated vinyl sheath cables) are used. Maximum extension (reference) Conductor diameter 100 m 260 m 410 m 500 m 1.0φmm 1.6φmm 2.0φmm 2.6φmm and more and more and more and more Memo ● If thin cables are used (i.e. with a high resistance), a significant voltage drop will occur when the unit is at its maximum power consumption. Either use a thick cable to restrict the voltage drop at the camera side to below 10%, or place the power supply near to the camera. If voltage drop occurs during operation, the performance will be unstable. ● Attach the cable conductors so that they do not come into contact with the drop prevention wires. ● Do not allow input from both a DC 12 V and AC 24 V power supply at the same time. ● When using a DC 12 V power supply, ensure that the polarities of the cable are correct. ● The AC 24 V power supply should conform to the following: U type: Class 2 only E type: Isolated power supply only 17

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17
±
Power supply (DC 12 V or AC 24 V)
Connect the DC 12 V or the AC 24 V power supply to the DC
12V/AC 24V terminals. To prevent connection errors or a cable
disconnection, we recommend the use of lug plates for the con-
nections.
The following table shows the connection distances and con-
nection cables provided that 2-conductor VVF cables (vinyl-in-
sulated vinyl sheath cables) are used.
Maximum extension
100 m
260 m
410 m
500 m
(reference)
Conductor diameter
1.0
φ
mm
1.6
φ
mm
2.0
φ
mm
2.6
φ
mm
and more
and more
and more
and more
Memo
●
If thin cables are used (i.e. with a high resistance), a signifi-
cant voltage drop will occur when the unit is at its maximum
power consumption. Either use a thick cable to restrict the
voltage drop at the camera side to below 10%, or place the
power supply near to the camera. If voltage drop occurs dur-
ing operation, the performance will be unstable.
●
Attach the cable conductors so that they do not come into
contact with the drop prevention wires.
●
Do not allow input from both a DC 12 V and AC 24 V power
supply at the same time.
●
When using a DC 12 V power supply, ensure that the polari-
ties of the cable are correct.
●
The AC 24 V power supply should conform to the following:
U type: Class 2 only
E type: Isolated power supply only