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USER MANUAL PFA 9111 Vogel's
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Black rectangular electronic device with textured surface, no visible text or symbolsPFA 9111 video conferencing loudspeaker with RS 232/485 communication
The PFA 9111 loudspeaker is especially designed for video conferencing. The loudspeaker is optimized for speech sound reproduction. The built in amplifier has a RS 232/485 communication feature which makes remote control and operation possible. This can be in combination with other video conferencing equipment.
Made in The Netherlands
Vogel's Products BV
NL 5628DB Eindhoven
www.vogels.com
Vogel's Holding BV 2012 © all rights reserved.
Subject to printing errors and technical amendments.
+31 (0)40 264 74 00
F +31 (0)40 264 74 95
E info@vogels.com
www.vogels.com
Content
- 1x PFA 9111 loudspeaker
- 1x manual
- 1x 12V - 2A power supply
- 1x Stereo audio cable (cinch - jack3.5)
- 4x Anti skid pads
Connecting PFA9111
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LED Power on LED Error On/Off Volume RS 232/485 Audio in 12V DC power in• Only use the supplied power supply.
- First connect the loudspeaker to the audio source with the supplied audio cable.
• Then connect the 12V plug from the power supply.
• Only then plug the power supply into a mains source.
Manualoperation:
• Switching on and volume up: turn volume knob right, clockwise.
• Switching off and volume down: turn volume knob left, counter clockwise.
- The amplifier will not switch on immediately after turning the volume knob, it will wait till the green LED has flashed once. This is part of the power saving function.
- When the amplifier is switched on the green and red LED will flash once. After that the green LED will stay on.
- When the amplifier is switched off, the green LED will flash every 3-4 seconds as stand-by indication. This is also the RS232/485 monitor moment.
RS232/RS485operation:
- When the amplifier is switched on (green LED on), it will scan the RS232 and RS485 ports on activity.
- When the amplifier detects activity on one of the ports it will switch to this port. The other port will be ignored as long as power is on.
• Scanning of the ports will be resumed only when the power is switched off and on again. - When the amplifier is RS232 / RS485 operated, the position of the volume knob will be ignored.
- When the amplifier is switched off via the RS232 / RS485 ports is will scan these ports every 3-4 seconds on new activities.
RS232 / RS485 Protocol:
• The amplifier is operated by readable ascii commands.
• These commands can, as example, be send and viewed by a terminal emulation program.
○ Baudrate: 9600
○ 8 Bits (8n1)
• The operation is based on the Basic Control Structure (BCS) Protocol of AMX/Crestron.
+31 (0)40 264 74 00
F +31 (0)40 264 74 95
E info@vogels.com
www.vogels.com
Supporting BCS commands:
- BCS commands are used as much as possible, however for some functions there exist no BCS codes, for these functions dedicated * commandos are used.
| Command Command Response | Protocol | ||
| Volume control COVA ^^^^T COVA ^^^^T BCS | |||
| Volume status request SOVAT SOVAT( ^^^^ ) BCS | |||
| Switch off COVMT COVMT BCS | |||
| Switch on COVUT COVUT | BCS | ||
| Status request | SOST | SOST B15 | |
| Put amplifier in potentiometer mode | COPT | COPT | B15 |
• Volume in dB (value -100 tot 0) 0 is maximum amplification.
- At -100 the amplifier will be switched in stand-by.
- When no value is set, value 0 will be used (attention this is max. volume)
Status replies:
| Answer | Meaning |
| Ok | Everythinh working okay |
| E | Amplifier IC is giving an error signal. |
| W | Amplifier IC is giving a Warning signal. |
| EW | Amplifier IC is giving both an Error and a Warning signal. |
Connections data connector:
| Pin Number | Pin 1 (Left) | Pin2 | Pin3 | Pin4 | Pin5 (Right) |
| Amplifier function | GND | RS232 TX | RS232 RX | RS485 + Non inverting | RS485 – Inverting |
| Function Host (PC) | GND | Receive data | Tansmit Data | ||
| SubD9 RS232 | Pin 5 | Pin 2 | Pin 3 | NVT | NVT |
| SubD9 RS485 | Pin 5 | NVT | NVT | Pin 1 | Pin 2 |
RS232 SubD 9 pinout (pin connector male/front view):
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1○ Data carrier detect 2○ Data set ready 3○ Receive data 4○ Request to send 5○ Transmit data 6○ Clear to send 7○ Data terminal ready 8○ Ring indicator 9○ Signal ground Protective ground+31 (0)40 264 74 00
F +31 (0)40 264 74 95
E info@vogels.com
www.vogels.com
RS485 SubD 9 pinout:
Attention the RS485 pinout for SubD9 is not standardized. It is important to check documentation of the RS485 interface before connecting.
Recommended is an UT-850 USB-RS485 cable, this has SubD9 pinout connections as in the diagram:
RS-485/RS-422 output signal and pin assignment
| DB9 (PIN) | Output Signal | RS-422 All full-Duplex | RS-485 Half full-Duplex |
| 1 | T/R+ | Transmit (A+) | RS-485 (A+) |
| 2 | T/R- | Transmit (B-) | RS-485 (B-) |
| 3 | RXD+ | Receive (A+) | Empty |
| 4 | RXD- | Receive (B-) | Empty |
| 5 | GND | GND | GND |
| 6 | N/A | ||
| 7 | N/A | ||
| 8 | N/A | ||
| 9 | N/A |
Specifications PFA9111:
Type of amplifier: Class D
Output power: 2 x 25 Watt
Frequency range: 40-20000 Hz
Filtersystem: acoustic (Patent)
Loudspeaker system: 1½ weg basreflex
Audio input: stereo cinch
Operating voltage: 100-230 Volt, 50/60 Hz
Weight: 2 kg