Power supply DC 24 V
The DC 24 V power supply connection 'CN7' is used to supply the PCA2007-A1 with power.
DC 24 V power supply connector - 'CN7'
Pin | Description | Remark |
|---|---|---|
1 | DC 24 V | - |
2 | DC 0 V | - |
Connect up to 4 'Automated volume control microphone' PCA2007-A1 to the microphone input connectors 'CN1' to 'CN4'.
Microphone input connectors - 'CN1' to 'CN4'
Pin | Description | Remark |
|---|---|---|
1 | Signal + | - |
2 | GND | GND reference voltage |
3 | Signal - | - |
Connect the summed up analog audio signals output to the analog audio input of the digital audio matrices.
Use always analog audio input 4 of the digital audio matrices for this function.
Microphone sum output connector - 'CN5'
Pin | Description | Remark |
|---|---|---|
1 | Signal + | - |
2 | GND | GND reference voltage |
3 | Signal - | - |
The PCA2008-A1 reports a fault via a fault relay output.
A fault is reported in one of these cases:
- Open or short on the wiring to microphones
- No microphone is connected and the input is not deactivated
- PCA2007-A1 is not supplied with DC 24 V
Fault relay output connector - 'CN6'
Pin | Description | Remark |
|---|---|---|
1 | NO | Connected to Com - fault |
2 | Com | - |
3 | NC | Connected to Com - regular working mode |