JVC VN-C655 - Manual (Page 14)

14
Preparation (Step 1 Connection/Installation)
OUT
R
DC18V
GND
0.6mA
R
VCC
OUT
GND
18V
Connect the alarm input/output terminals to
external devices such as sensors and buzzers.
1
Loosen the screws on both edges of the
terminal block using a flathead screwdriver,
followed by dismantling it as shown in the left
diagram.
2
Strip the coating of the alarm signal cable by
about 4mm before inserting it into the terminal.
3
Turn the screw on the side to fasten the alarm
signal cable.
4
Upon fastening the alarm signal cable, re-
install the terminal block that has been
dismantled in Step 1.
1-1 Connecting Cables (Continued)
3. Connection to Alarm Input/Output Terminal
Input Requirements
● No-voltage relay input or NPN open collector
input
● The polarity of the input detection can be
selected via software.
● Make/Break/Toggle (at least 500 ms)
● Circuit current at low level: 0.6 mA
● Voltage applied at high level: 18 V
This terminal is for connecting with a sensor, infrared, door or metallic, or a manual
switch.
4 mm
1 2
3
1
4
Flathead
Screwdriver Alarm Signal
Cable
Flathead
Screwdriver
VN-C655
(Alarm Input
Equivalent Circuit)
Grounding
Terminal
Sensor
Connection
Example 1
Relay,
switch,
etc.
Sensor
Connection
Example 2
Note
Cable Specifications
50 m or shorter in length
UL1007, UL1015 or equivalent
AWG#22 to AWG#18 or equivalent
Caution
Due to external noise, the cable may not
function properly even when the cable length
is less than 50 m. In this case, use a shielded
cable or take measures such as keeping the
cable away from the noise source.
Terminal
1 or 2
VN-C655(B)_0202_p2-21 05.3.16, 6:24 PM 14