Mounting Instructions

Connect external components
Automatic volume control microphone PCA2007-A1
7
164 | 173
A6V10430579_en--_b
7.12 Automatic volume control microphone
PCA2007-A1
The 'Automated volume control microphone' PCA2007-A1 is used to monitor the
noise level in a room.
7.12.1 Mounting and configuration
Fig. 105: PCA2007-A1 mounting and installation connector
The 'Automated volume control microphone' PCA2007-A1 comes in an ABS plastic
housing.
Mount the base on the selected wall or ceiling with two screws.
The jumper 'SJ1' is used to set the analog audio signal output level.
SJ1
Output level
0
Line signal level, max. +25 dB
1
Microphone signal level 12 µV/Pa
Table 134: PCA2007-A1 set analog audio signal output level with jumper
● 0 = OFF; no jumper is set
● 1 = ON; jumper is set
7.12.2 Installation
Connect the wiring to PCA2007-A1 with the microphone out connector 'CN1'.
Microphone out connector - 'CN1'
Pin
Description
Remark
1
Signal +
-
2
GND
GND reference voltage
3
Signal -
-
Table 135: PCA2007-A1 microphone out connector - 'CN1'
SJ1
Mic Out
86 mm
36 mm
1
CN1
LidBase