Summary of Contents for Amit RRAM-PWA/B1
- Page 1 RRAM-PWA/B1 IP audio amplifier for rolling stock Operation manual Version 1.01 rram-pwab1_g_en_101...
- Page 2 RRAM-PWA/B1 AMiT, spol. s r.o. does not provide any warranty concerning the contents of this publication and reserves the right to change the documentation without any obligation to inform about it. This document can be copied and redistributed under following conditions: 1.
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Page 3: Table Of Contents
RRAM-PWA/B1 Contents History of revisions ..................4 Related documentation ................... 4 Introduction ..................5 Technical parameters ................6 2.1. Dimensions ..................... 8 2.2. Recommended drawing symbol ..............8 Conformity assessment ..............9 3.1. Other tests ....................10 Power supply ..................11 Outputs .................... -
Page 4: History Of Revisions
RRAM-PWA/B1 History of revisions Document name: rram-pwab1_g_en_101.pdf Author: Jaroslav Šach Revision Date Changes 9. 5. 2013 New document 11. 9. 2013 Drawing symbol correction. X3 connector renumbered Indication and settings chapter added. Related documentation ACASYS-AS Programming manual file: acasys-as_ms_en_xxx.pdf ACASYS-AS Projection manual file: acasys-as_mp_en_xxx.pdf... -
Page 5: Introduction
RRAM-PWA/B1 is a low frequency power amplifier with Ethernet interface, designed to be used in rolling stock. The RRAM-PWA/B1 amplifier involves an end stage module with integrated D- class amplifier and the processor module for processing and conversion of IP stream to amplified audio signal. -
Page 6: Technical Parameters
RRAM-PWA/B1 2. Technical parameters 3 × *) Audio outputs Number of outputs 2 × Number of channels 2 × 30 W **) Permanent output sinus power (THD = 1 %) 2 × 48 W Peak music power output 4 Ω / channel ***) - Page 7 RRAM-PWA/B1 Connection point Connector WAGO 769-669/003-000 Wire cross section 0.75 mm to 2.5 mm Maximum inlet wire length 30 m *) At nominal power output 2 × 30 W to 4 Ω load impedance and power supply Note: voltage VIN = 24 V DC.
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Page 8: Dimensions
RRAM-PWA/B1 2.1. Dimensions 43,0 153,0 75,2 185,6 Fig. 1 - RRAM-PWA/B1 dimensions 2.2. Recommended drawing symbol Following drawing symbol is recommended for RRAM-PWA/B1 amplifier: RRAM - PWA/B1 Fig. 2 - Recommended drawing symbol for RRAM-PWA/B1 rram-pwab1_g_en_101 8/22... -
Page 9: Conformity Assessment
RRAM-PWA/B1 3. Conformity assessment The equipment meets the claims of Czech government decree NV616/2006; the conformity assessment has been performed in accordance with harmonized standard EN 50121-3-2:2006. Tested in accordance Type of test Classification with standard EN 55011:2009 Industrial, scientific and medical... -
Page 10: Other Tests
RRAM-PWA/B1 Electromagnetic compatibility (EMC) – EN 61000-4-11:2004 Complies Part 4-11: Testing and measurement techniques - Voltage dips, short interruptions and voltage variations immunity tests *) Some disturbing noise can be heard in the speaker when disturbances appear. 3.1. Other tests... -
Page 11: Power Supply
RRAM-PWA/B1 4. Power supply The RRAM-PWA/B1 amplifier can be powered by 24 V DC vehicle onboard network. Fig. 3 - Power supply connector location X3 connector Terminal Label Meaning numbering Power supply, +24 V DC (power Power supply, ground supply) -
Page 12: Outputs
IN B OUT B1 OUT B2 STANDBY, MUTE RELAY SWITCHING Power supplies PWR, OK LED indicators Fig. 5 - Amplifier RRAM-PWA/B1 block scheme X3 connector Terminal Label Meaning numbering B1 channel Output + B1 channel Output – (audio) B2 channel Output + B2 channel Output –... -
Page 13: Wiring Examples
RRAM-PWA/B1 5.2. Wiring examples Number of speakers and layout of them must be determined by project designer. In next wiring examples, with accordance to need of spatial arrangement, any speaker can be substituted by resistor with the same impedance and wattage. - Page 14 RRAM-PWA/B1 Fig. 9 - Example of wiring 8 speakers 8 Ω, min. 4 W Fig. 10 - Example of wiring 16 speakers 4 Ω, min. 2 W rram-pwab1_g_en_101 14/22...
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Page 15: Microphone Input
RRAM-PWA/B1 6. Microphone input Connector for attaching of an external microphone is located on the front side of the amplifier. Unit allows to lead out power supply voltage to a connector for connected microphone. Power supply output is controlled by unit's SW. -
Page 16: Ethernet
RRAM-PWA/B1 7. Ethernet The Ethernet interface connector is located on the amplifier lateral side. LED indicators are located next to Ethernet connector. Fig. 13 - Location of Ethernet line connector Line state Ethernet connection state is indicated by LEDs (SPD and ACT). Following table indication describes meaning of individual LEDs. -
Page 17: Indications And Settings
RRAM-PWA/B1 8. Indications and settings 8.1. System LEDs State of exchange unit is indicated by 2 LEDs on front panel. Fig. 15 - Front panel system LEDs Following table describes meaning of individual LEDs *). Colour Green Green Status Meaning Does not light Loader does not use LED. -
Page 18: Configuration
RRAM-PWA/B1 9. Configuration All the amplifier configuration is performed via Ethernet interface. Some changes in setting will take effect after restarting the amplifier. 9.1. Factory setting The amplifier is fitted with „RESTORE“ button to get into factory setting. The button should be pressed while switching the amplifier power supply on. The OK LED which is located right next to the connector X3 shortly blinks after successful execution of factory setting. -
Page 19: Mounting
RRAM-PWA/B1 10. Mounting The amplifier must be mounted such a way, that cooling ribs are vertically oriented to ensure the efficient air flow. Mounting position with cooler down is not allowed. 167,6 Fig. 17 - Location of mounting holes 10.1. Installation rules Technical parameters of amplifier are guaranteed only when these wiring principles are applied. -
Page 20: Ordering Information And Completion
11. Ordering information and completion Amplifier RRAM-PWA/B1 Complete, see chapter Completion 11.1. Completion RRAM-PWA/B1 Part Quantity RRAM-PWA/B1 unit Counterpart for power supplying connector WAGO 769-109/021-000 Operation manual Routine testing protocol Insulation testing protocol Warranty certificate 11.2. Optional accessories Loudspeaker 4 Ω, black colour... -
Page 21: Maintenance
RRAM-PWA/B1 12. Maintenance Warning The maintenance mentioned above can be performed by manufacturer or authorized service only. Cleaning Time after time, with regard to way of using it is necessary to remove dust from device. The equipment can be cleaned by dry soft brush or vacuum cleaner, only when turned-off and disassembled. -
Page 22: Waste Disposal
RRAM-PWA/B1 13. Waste disposal Electronics The disposal of electronic equipment is subject to the regulations on handling disposal electrical waste. The equipment must not be disposed off in common public waste. It must be delivered to places specified for that purpose and recycled.
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