Mounting Instructions

Connect external components
Automatic volume control module PCA2008-A1
7
A6V10430579_en--_b
165 | 173
7.13 Automatic volume control module PCA2008-A1
Up to 4 'Automated volume control microphone' PCA2007-A1 can be connected to
an 'Automated volume control module' PCA2008-A1. The PCA2008-A1 mixes
these signals and provides one output to adjust the volume.
The PCA2008-A1 monitors the wiring to the microphones PCA2007-A1 for short
circuit and opens.
Fig. 106: PCA2008-A1 connector overview
7.13.1 Configuration
The jumper Jumper Mic_1_Act to Mic_4_Act ('SJ1' to 'SJ4') are used to activate
the microphone inputs 1 to microphone input 4.
'SJ1' to 'SJ4'
Output level
0
Microphone input not activated
1
Microphone input activated
Table 136: PCA2008-A1 microphone input activation with jumper 'SJ1' to 'SJ4'
● 0 = OFF; no jumper is set
● 1 = ON; jumper is set
If the microphone input is not used, it has to be deactivated. If the unused input is
not deactivated, it results in a fault message.
1
C
N
1
1
C
N
2
1
C
N
3
1
C
N
4
1
C
N
5
1
C
N
6
1
S
J1
S
J2
S
J3
S
J4
Power
24V DC
Fault
Mic Sum Out
Mic 1 In
Mic 2 In
Mic 3 In
Mic 4 In
Mic 1 Act
Mic 2 Act
Mic 3 Act
Mic 4 Act
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