Altronics Redback A 1707A Bedieningshandleiding - Pagina 11

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6.2 Switched 24V Outputs:
These terminals have 24V DC present when the corresponding zone is set "ON".
These may be used to operate something like an external relay used to turn on a solenoid, a lunch bell, etc.
(NOTE: The maximum current draw per output is anout 250 milliamps, so it is advisable to run external 24V DC relays
instead of trying to drive a 24V DC device directly from these outputs. See Fig 6.2 for an example of this).
6.3 Closing Contacts:
These contacts "close" when the output zone is set "ON". These can be used to trigger devices such as the Altronics
A 1741MP3 Message player.
Fig 6.2 demonstrates an example of how to connect the A 1707A to the A 1741. A 24V DC plugpack is used to power
the A 1707A, the 24V DC output of the timer is then fed into the A 1741 using a power lead with 2.1mm DC connectors
such as the Altronics P 6717. Thus removing the need for another plugpack to power the message player.
The Zone 1 switched output of the timer is then used to trigger a 24V DC bell. As the current draw of the Bell is more
than 250mA a relay board is used to switch an external power supply. The Altronics S 4444 24V Relay Board as shown is
an inexpensive and easily installed option designed for this purpose.
In the example shown the Zone Output 2 closing contact of the timer is connected to the Input 1 trigger of the message
player. When Zone 2 is activated by the timer, message 1 of the message player will be played.
24V DC Power lead
(such as Altronics P 6717)
(Not supplied)
24V DC Plugpack
(such as Altronics M 9391A)
(Not supplied)
www.altronics.com.au
12-30V DC
TRIGGER OPERATION & ALERT/EVAC SETTINGS
12-30V DC
SW
ON
Switched
IN
1 Triggers momentary
L
Out
2
Alert/Evac ON
3
Front switches active
4
Not Used
Triggers
Cancel
R
Close
Contacts
to
-
+
Line Out
–
Trigger
24VDC
24VDC
Input
Output
-
+
-
+
4
3
2
External
24V DC Supply
(eg school bell, lunch bell etc)
DIP Switch Settings
SW
AUTO ALERT TO EVAC SWITCHOVER TIMER SETTINGS. 0 = OFF. 1 = ON.
OFF
5
0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
6
0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1
Triggers alternate
7
0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1
Alert/Evac OFF
8
0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1
Front switches de-activated
Delay
(Sec.)
Evac
Alert
8
7
6
5
4
3
2
Manufactured in Australia By
Altronic Distributors Pty Ltd
24V Switched Out
4
3
2
1
SW ON
ON
1 2 3 4
1
+24V
GND
24V Bell
Fig 6.2
A 1741
1
DIP Switches
MP3 Message Player
1
2
3
4
5
6
7
8
1 2 3 4 5 6 7 8
A 1707A
DIP Switch Settings
1
Battery Backup On
50 EVENT TIMER
2
Station Edit Lockout Enabled
3
Edit Time Lockout Enabled
4
Clear Memory Lockout Enabled
+24V
GND
N/C1
COM1
N/O1
N/C2
COM2
N/O2
24V Relay Board
(Altronics S 4444)
Redback® Proudly Made In Australia 11