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CONNECTIONS
CONNECTIONS
Alarm Function and a Reset Switch
System Example
Refer to the following system example when connecting a sensor or a security control door with a reset switch.
Sensor
On the rear panel of
the MPEG2 encoder
TRIGGER OUT 1
(Interlocking with
Security devices
(Warning light, etc.)
1*: Install a relay according to your needs.
About the Reset Circuit
When isolating the power source (procured locally)
It is suitable if the reset circuit is installed in a distance from
the MPEG2 encoder and it is under the influence of noise.
l
Vc
Reset Switch
24
Alarm Input 2
Alarm Input 1
TRIGGER OUT
ALARM IN
4 3 2 1 G 4 3 2 1 GGV + – G
ALARM IN 1)
Relay 1*
RESET
V
+5V
10mA
+
R
To the reset circuit
of a microcomputer
Vf
–
G
Short-circuit "V" and "+" when supplying power from
the MPEG2 encoder to the reset circuit.
RESET
Reset Circuit
Reset Switch
(For restarting the MPEG2 encoder)
When supplying the power from the MPEG2 encoder
It is suitable if the reset circuit is installed near the MPEG2
encoder such as in the same rack and the connection
distance between them is short.
Short-circuit
Reset output of
an other device
Reset
switch
• Open collector or non-voltage make contact
• Low Active (less than 0.2 V)
• Voltage endurance (more than 10 V DC)
Security control door
RESET
V
+5V
+
To the reset circuit
of a microcomputer
–
G
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