Plena Mixer Amplifier Installation and User Instructions en PLE-2MA120-EU PLE-2MA240-EU
Plena Mixer Amplifier | Installation and User Instructions | Important safeguards Important safeguards Before installing or operating this product, always read the Safety Instructions, which are available as a separate document (9922 141 7014x). These instructions are supplied together with all equipment that can be connected to the mains.
Plena Mixer Amplifier | Installation and User Instructions | Table of contents en | 3 Table of contents Important safeguards ...................................................................................................................................................2 Table of contents ...........................................................................................................................................................3 1. Introduction .............................................
Plena Mixer Amplifier | Installation and User Instructions | Table of contents en | 4 5. Operation ..................................................................................................................................................................... 27 5.1 Switch on and off ................................................................................................................................................................. 27 5.1.1 Switch on .......................................
Plena Mixer Amplifier | Installation and User Instructions | Introduction 1 Introduction 1.1 Purpose The purpose of these Installation and User Instructions is to provide information required for installing, configuring and operating a Plena Mixer Amplifier. 1.2 1.6 Icons 1.6.1 Note icons The icons used in combination with Notes provide extra information about the Note. See the following examples: Digital document Note General icon for notes.
Plena Mixer Amplifier | Installation and User Instructions | Introduction 1.7 Conversion tables In this manual, SI units are used to express lengths, masses, temperatures etc. These can be converted to non-metric units using the following information. table 1.1: Conversion of units of length 1 in = 25.4 mm 1 mm = 1 in = 2.54 cm 1 cm = 1 ft = 0.3048 m 1m= 1 mi = 1.609 km 1 km = 0.03937 in 0.3937 in 3.281 ft 0.622 mi table 1.2: Conversion of units of mass 1 lb = 0.4536 kg 1 kg = 2,2046 lb table 1.
Plena Mixer Amplifier | Installation and User Instructions | Description 2 Description 2.1 The Plena product range The Plena Mixer Amplifier is part of the Plena product range. Plena provides public address solutions for places where people gather to work, worship, trade, or relax.
Plena Mixer Amplifier | Installation and User Instructions | Description An LED meter monitors the master output before the zone selection. This signal is also present on the headphone connector below the output meter. For total reliability and ease of use, a limiter is integrated into the output stage to restrict output if the user applies too much signal. The unit has 24 VDC backup input with built in 24 VDC battery charger. A separate battery charger is, therefore, not required.
Plena Mixer Amplifier | Installation and User Instructions | Description 2.4 Controls, connectors and indicators 2.4.1 Front panel 16 Air inlet holes. See figure 2.2 for an overview of the controls and indicators. 1 Power button. 2 Label holder for user-defined description of microphone/line inputs - custom labels can be created by user. 3 Master high tone control for microphone/line inputs. 4 Label holder for user-defined description of music sources - custom labels can be created by user.
Plena Mixer Amplifier | Installation and User Instructions | Description 2.4.3 Rear panel See figure 2.3 for an overview of the connectors and switches: 1 Cooling fan. Note Always allow adequate space at the rear of the unit for ventilation. 2 Microphone/line 1 input, XLR connector - DIP switch settings for: chime, PTT (push to talk), mic/line, speech filter, and phantom power (see number 4). Input is wired in parallel with microphone/line 1, Euro style pluggable screw terminal connector (see number 3).
Plena Mixer Amplifier | Installation and User Instructions | Description 1 2 13 3 4 5 14 15 16 17 18 6 7 8 19 20 21 22 23 figure 2.
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Plena Mixer Amplifier | Installation and User Instructions | Installation 3 3.1 Installation 3.3 Unpack unit 1 Connect any additional equipment (see section 4.1 and 4.2). 2 Check the settings (see section 4.3). 1 Remove the unit from the box, and discard the packaging material according to local regulations. 2 Use your fingernails to carefully peel off the protective plastic film from the label holders. Do not use sharp or pointed objects. 3.
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Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4 Connections and settings 4.1 Connecting inputs 4.1.1 DC supply (battery) The Plena Mixer Amplifier has as a built in charger, which charges the connected battery (or batteries if connected in series). A separate battery charger is, therefore, not required. The charger charges the battery with a 0.5 A constant current until the battery voltage reaches 27.4 VDC.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.1.2 Priority microphone (input 1) The priority microphone (or a generic call station) that can be used with push to talk (PTT) should be connected to “microphone/line 1 input”. The PTT mode can be activated by setting the DIP switch (4) at the rear of the unit. Microphone/line 1 input has priority over all other microphone/line inputs. If, however, the “Tel.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.1.3 Secondary microphone (input 2) Connect a secondary microphone to “microphone/line input 2”. See figure 4.5. Microphone/line input 2 has a DIP switch (4) at the rear of the unit for setting the VOX mode. If the DIP switch is set to VOX, the microphone/line input will automatically be switched when a signal is sensed at the microphone/line 2 input.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.1.5 en | 18 Emergency inputs The Tel. emergency/100V input, with VOX functionality, is used for receiving emergency announcements or signals (such as a fire alarm). This input has absolute priority, and will overrule all inputs when an emergency announcement or signal is received.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.1.5.2 Connecting telephone lines Connect the telephone lines as shown in figure 4.7. Caution A connection to a telephone network must always be made via a telephone coupler that provides adequate isolation between the telephone network (PBX) and the Plena system.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.1.6 Music source inputs When using a CD player, tuner or other auxiliary device for background music, connect the line-out connectors of the music source to the appropriate line-in connectors of the mixer amplifier. figure 4.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.2 Connecting outputs 4.2.1 Zone 1 and 2 Connect speakers to the 100 V or 8 Ohm terminal on the Euro style pluggable screw terminal connector (25) at the rear of the unit. Also see section 4.2.5 “Connecting speakers”. 4.2.2 Call only Connect speakers to the 100 V terminal on the Euro style pluggable screw terminal connector (25) at the rear of the unit. Also see section 4.2.5 “Connecting speakers”. 4.2.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.2.5 Connecting speakers 4.2.5.1 Constant voltage loudspeakers 4.2.5.2 en | 22 Low impedance loudspeakers figure 4.11: Connecting speakers figure 4.10: Connecting speakers The mixer amplifier can drive 100 V constant voltage loudspeakers. Connect the loudspeakers in parallel and check the loudspeaker polarity for in-phase connection. The summed loudspeaker power should not exceed the rated amplifier output power.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.3 Unit settings 4.3.1 Rear panel settings en | 23 The unit can be quickly set-up for operation by setting the following controls at the rear of the unit: • DIP switches • Rotary dials • Master switch for line out or music only. See the following tables for an overview of the settings and typical examples of their use. table 4.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings table 4.2: Rotary controls Rotary control Effect Ducking level control Sets the required ducking level when VOX and/or push to talk is active (see table 4.1). When the ducking level is set to mute, the music volume will be fully attenuated; when the ducking level is set to mix, both music and speech inputs can be heard - music and speech will be mixed.
Plena Mixer Amplifier | Installation and User Instructions | Connections and settings 4.3.2 Pin settings and labelling Users can create custom labels for the: microphone/line inputs, description of the music sources, and audio output zones 1 and 2. These labels can be attached to the mixer amplifier at position numbers 2, 4, and 6 (see figure 2.2). Colored pins can also be inserted at various positions around the dial controls to indicate the favorite settings for a particular application.
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Plena Mixer Amplifier | Installation and User Instructions | Operation 5 Operation 5.1.2 en | 27 Switch off Set the power button (1) on the front of the unit to Off popped out (see figure 5.2). 5.1 Switch on and off 5.1.1 Switch on Caution Potential equipment damage. Before applying power, always check the voltage selector at the rear of the unit. 1 Make sure the voltage selector (115V/ 230V) is correctly set for the country’s main voltage (see figure 5.1).
Plena Mixer Amplifier | Installation and User Instructions | Operation 5.2 Microphone/line controls Use the volume controls (9) to individually control the sound level of microphone/line inputs 1 through 6. Note Users can create custom labels for the: microphone/line inputs, description of the music sources, and audio output zones 1 and 2. These labels can be attached to the mixer amplifier at position numbers 2, 4, and 6 (see figure 5.2).
Plena Mixer Amplifier | Installation and User Instructions | Operation 5.5 Output controls 5.5.1 Zone selection Use the zone selection buttons (14 and 15) to route the music/microphone, line mix from the amplifier output to loudspeaker zone 1 and/or loudspeaker zone 2. Announcements, however, are always routed to both zones, irrespective of the position of the zone selection buttons. 5.5.
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Plena Mixer Amplifier | Installation and User Instructions | Technical data 6 Technical data 6.1 Electrical 6.1.1 Mains power supply Voltage 115 - 230 VAC, ±10%, 50/60 Hz Inrush Current PLE-2MA120-EU 8/16 A (230/115 VAC) Inrush Current PLE-2MA240-EU 9/19 A (230/115 VAC) 6.1.2 Battery power supply Voltage 24 VDC, ±15% Current PLE-2MA120-EU 6A Current PLE-2MA240-EU 12 A Charge current 0.5 ADC Charge float voltage 27.4 VDC 6.1.
Plena Mixer Amplifier | Installation and User Instructions | Technical data 6.1.7 Music inputs 3x Connector Cinch, stereo converted to mono Sensitivity 200 mV Impedance 22 kohm S/N (flat at max volume) >70 dB S/N (flat at min volume/muted) >75 dB Headroom >25 dB 6.1.
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