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.

Alarm Input 2

Alarm Input 1

 

 

 

 

Security control door

Sensor

 

 

 

 

 

 

 

 

Short-circuit "V" and "+" when supplying power from

 

 

 

 

the MPEG2 encoder to the reset circuit.

 

TRIGGER OUT

ALARM IN

RESET

Reset Circuit

On the rear panel of

 

 

 

 

 

the MPEG2 encoder

 

 

 

 

4 3 2 1 G 4 3 2 1 GG V + – G

Reset Switch

 

TRIGGER OUT 1

 

 

(For restarting the MPEG2 encoder)

 

(Interlocking with

 

 

 

Security devices

ALARM IN 1)

 

 

 

(Warning light, etc.)

 

 

 

 

Relay 1*

 

 

 

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.

RESET

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.

RESET

 

l

 

 

V

+5V

 

10mA

 

 

+

 

 

R

To the reset circuit

Vc

Vf

of a microcomputer

 

 

 

Reset Switch

 

 

G

 

Short-circuit

Reset output of an other device

Reset switch

V

+

G

+5V

To the reset circuit of a microcomputer

Open collector or non-voltage make contact

Low Active (less than 0.2 V)

Voltage endurance (more than 10 V DC)

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Panasonic WJ-GXE900, WJ-GXD900 manual Alarm Function and a Reset Switch, Alarm Reset

WJ-GXD900, WJ-GXE900 specifications

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