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Maintronic DPA4.150 Service Manual page 5

Digital power amplifier

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1
OUT 2
100V
0 / 50V / 100V
00V 300W Bridge
00V 300W Bridge
3
(4) Auto Sens gain sensitivity
(5) communication adress (optional)
(6) Monitoring-Contacts -
plug-in screw terminal block
12pin
(7) Input 1 and 2 -
plug-in screw terminal block
12pin
(8) Input 3 and 4 -
plug-in screw terminal block
12pin
(9) RJ45 socket for RS485 Bus
communication and
Power-Delay-Link
The Monitoring-Contacts are opto-couplers with a max load of 24V 10mA.
Keep attention for the correct polarity.
All controls are normal closed by meaning ok.
OUT 3
OUT 4
0 / 50V / 100V
0 / 50V / 100V
100V 300W Bridge
system parts rear view
4
5
1
2
3
4
5
6
SENS
auto ON
1
2
WARNING: TO REDUCE THE RISK
OF FIRE OR ELECTRIC SHOCK
DO NOT EXPOSE THIS APPLIANCE
TO MOISTURE. TO MAKE ALL
C O N N E C T I O N S P R O P E R ,
PLEASE SEE USERS MANUAL.
9
(6)
plug-in screw terminal block
+ CH 1/2 ok
CH 1/2 ok
+ CH 3/4 ok
CH 3/4 ok
+ DC 24V ok
DC 24V ok
+ AC 230V ok
AC 230V ok
+ 12-24V CH1-4 ON
- 12-24V CH1-4 ON
+ 12-24V B 1-4 ON
- 12-24V B 1-4 ON
6
7
8
Controll
Input 1/2
Control
+
+IN 1
CH 1/2 ok
GND
+
- IN 1
CH 3/4 ok
+IN 2
+
GND
DC ok
- IN 2
+
Pilottone
AC 230 ok
+IN 1/2 B
+
GND
-
12-24V
-
- IN 1/2 B
CH1-4 ON
Bridge
+
-
12-24V
B active
-
B 1-4 ON
to next Amp
RISK OF ELECTRIC SHOCK
DO NOT OPEN
(7)
(8)
+ IN 1
+ IN 3
GND
GND
- IN 1
- IN 3
+ IN 2
+ IN 4
GND
GND
- IN 2
- IN 4
Pilottone
Pilottone
+IN 1/2 B
+IN 3/4 B
GND
GND
- IN 1/2 B
- IN 3/4 B
Bridge
Bridge
B-active
B-active
1
5
Input 3/4
+IN 3
GND
- IN 3
+IN 4
GND
- IN 4
Pilottone
+IN 3/4 B
GND
- IN 3/4 B
Bridge
B active

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