Wiring example
Forearthterminal
When an external speaker output is used
Only a single external speaker can be connected.
Power
supply
External speaker
(80, 3W or more)
When loads (bell, buzzer, siren, etc.) are controlled by the control output
In the case of using the channel 1
Power +-----------+
supply
Loads
Power----�
supply
Power
supply---��..u-,.,,"�r....:-...
Power---+-�
supply
Power
supply
Power-------+---1-0-n
supply
-n.,-"'-'--•
•
Power.._ ____ .:+r-.-n"n
supply---------'"'-'""l--n
Loads
Note:
Remove jumper lines which are indicated by a dotted line and connected between the terminals of the
electro-magnetic switch. If the jumper lines are connected as it is, the Melody Week is not operated properly.
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When the melody signal is amplified by an amplifier
4
5
Power
supply
-�MtW
Amplifier
Start-up
signal input
Speaker
output
The melody signal wire should be used exclusively.
Speaker
If the melody signal wire is put in the same pipe arrangement as a telephone line, speaker wires
or power wiring, noise may be produced.
When a music chime is used
Two musical compositions can be selected using two channels.
Power
supply
Power----
supply
-----+�
-�MtW
Music chime (four musical composition type)
Variety of
Amplifier
Chime
selection
control
output
Out ut
MB.()IJ{
SIGNAL
JACK
The melody signal wire should be used exclusively.
Input to the amplifier
If the melody signal wire is put in the same pipe arrangement as a telephone line,
speaker wires or power wiring, noise may be produced .
When the interrupt input is used
For external switches, use the switches for signal (capable of opening and closing 15 VDC,
2mA or less).
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