TDA-500 DIGITAL POWER AMPLIFIER
User Manual
page 26/28
armtel.com
© Armtel
ENG
Table А.
3 – Purpose of contacts of the connector «Channel»
Сonnector
Сonnector
name
Contact
number
Вesignation
Function
Channel
1
+ IN 1
Signal input «+»
Channel
А
/
В
2
GND
General
3
- IN 1
Signal input «-»
Channel
А
/
В
4
+ IN 2
Not used
5
GND
Not used
6
- IN 2
Not used
7
Switch CH2
Not used
8
ok
Amplifier fault relay
normally open
contact
9
ok
Amplifier channel
fault relay general
contact
10
ok (E)
Amplifier fault
relay normally
closed contact
11
–
Active mode
control signal
input (when
voltage is applied,
the amplifier
switches from
standby mode with
low power
consumption to
active alert mode)
12
+
Wire cross-sectional area no more then 1 mm
2
.
