Yamaha ACU16-C Manual Download Page 18 | Manualshive

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CobraNet, ACU16-C & NHB32-C Guide

18

Yamaha's
CobraNet Products

NetworkAmp Manager

2

C

ontrollable PC-N Series

Amp Parameters

M

onitored PC-N Series

Amp Parameters

• Power (on/standby)
• Attenuator (63-step control)
• Input phase (normal/reverse)
• Mute (on/off)

• Amp mode (stereo/parallel/bridge)
• Input level (12-segment meter)
• Output level (12-segment meter, watt/volt)
• Output clip (output clipping indicator)
• Impedance (indicates current load impedance,

short/open)

• Protection (protection system status)
• Temperature (heatsink temperature, 12-segment

meter, centigrade/Fahrenheit)

NetworkAmp Manager’s power amp control page

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Summary of Contents for ACU16-C

Page 1: ......

Page 2: ...nowledged Yamaha Web Site Information about the ACU16 C NHB32 C NetworkAmp Manager and other Yamaha pro fessional audio equipment is available on the Yamaha Professional Audio Web site at http www yam...

Page 3: ...ftware 9 Reliability Cost Saving 12 The CobraNet Advantage 12 2 Yamaha s CobraNet Products 13 NHB32 C Network Hub and Bridge 13 NHB32 C Features 14 ACU16 C Amp Control Unit 15 ACU16 C Features 16 Netw...

Page 4: ...Program Control Change orAD824 head amp control data between any two NHB32 Cs on the network CobraNet the Technical Stuff What is CobraNet Developed by PeakAudio CobraNet is a network protocol for re...

Page 5: ...nation address source address frame type audio data and FCS Frame Check Sequence error checking Bundles are transmitted in isochronous cycles and the cycle duration is 1 33 ms There are eight bundles...

Page 6: ...intervention is required The ACU16 C and NHB32 C have front panel indicators to show when they are working as the conductor If the conductor fails another device automatically takes over Since the con...

Page 7: ...ticast bundles are dis tributed indiscriminately to all devices on the network they wreak havoc on switched net works and it s recommended that no more than four multi cast bundles be used on switched...

Page 8: ...ssover Ethernet cable i e a cable whose data transmit and receive lines are crossed at one end To connect three or more devices requires a hub There are two types of Ethernet hub repeater hub and swit...

Page 9: ...k Audio s CobraCAD software you can design test and refine your CobraNet net work before you buy any equipment or begin installation You can arrange devices onscreen wire them up and test CobraCAD inc...

Page 10: ...m an NHB32 C to an ACU16 C which is feeding eight 2 channel power amps Since there are no hubs on the net work a crossed Ethernet cable is used to connect the ACU16 C and NHB32 C Network designs can e...

Page 11: ...o many to distribute 16 audio channels from the NHB32 C to two ACU16 Cs which are feeding 16 2 channel power amps Straight Ethernet cables are used to connect the devices to the switch Here are the te...

Page 12: ...the NHB32 C s 99 patch memories you can instantly reconfigure an entire system with a single mouse click By reducing the number of cables and connections required and by using readily available Ether...

Page 13: ...indicators LINK connected to network CONDUCT network conductor ERROR no link or error USB port for convenient connection to PC running NetworkAmp Manager Wordclock selection and source indicators Conv...

Page 14: ...ly from the front panel when Net workAmp Manager is offline Works as an interface for Yamaha s NetworkAmp Manager soft ware NetworkAmp Manager PC can be connected via USB or RS 232C Up to 8 NHB32 Cs c...

Page 15: ...an be connected and controlled via a single ACU16 C Network status indicators LINK connected to network CONDUCT network conductor ERROR no link or error UNIT ID setting USB port for convenient connect...

Page 16: ...amplifiers via a single ACU16 C Parallel audio connections would be necessary to feed 32 amps from one ACU16 C Primary and secondary CobraNet ports for built in redundancy Works as an interface for Ya...

Page 17: ...nnection Records log file of operations and warnings e g output shorts overheating for troubleshooting analysis after a performance see Log File on page 22 for details Several PCs running NetworkAmp M...

Page 18: ...p control Input phase normal reverse Mute on off Amp mode stereo parallel bridge Input level 12 segment meter Output level 12 segment meter watt volt Output clip output clipping indicator Impedance in...

Page 19: ...ch can then be received by any device on the network simply by dialing in the same bundle number NHB32 C 32 channels of 20 bit AES EBU digital audio in four groups of 8 channels Transmit bundle assign...

Page 20: ...transmit NHB32 C or four receive NHB32 C ACU16 C bundle numbers and use the patchbays to select individual audio channels from any of those bundles For example you may configure an ACU16 C to receive...

Page 21: ...p control data between any two NHB32 Cs on the network The Serial Bridge cannot be used for power amp control MIDI and AD824 head amp control simultaneously All other NetworkAmp Manager functions are...

Page 22: ...are five types of event that are logged Warning Online Offline Status Power Switch Error and Network Mode Warning A Warning event occurs when a power amp s wattage temperature or mini mum or maximum l...

Page 23: ...n be connected to an ACU16 C for remote control and monitoring via NetworkAmp Manager USB port USB port All RS 485 connections use CAT5 Ethernet cables Windows PC running NetworkAmp Manager ACU16 C PC...

Page 24: ...onversion NetworkAmp Manager is running on two PCs and power amplifier control and monitoring can be performed from either CobraNet connections use CAT5 Ethernet STP Shielded Twisted Pair cables 100 m...

Page 25: ...mple MIDI data from aYamaha DME32 Digital Mixing Engine is fed through to a Yamaha DM2000 Digital Production Console While MIDI mode is active power amp and AD824 head amp control are not possible Cob...

Page 26: ...control information is transmitted from a Yamaha DME32 Digital Mixing Engine or Yamaha DM2000 Digital Production Con sole to a remote AD824 A D Converter While COM mode is active power amp and MIDI tr...

Page 27: ...ts can be used to build redundancy into a system Two switches are used for fully independent primary and sec ondary networks If a primary cable or switch fails the system automatically switches to the...

Page 28: ...obraNet technol ogy Peak Audio also provide a list of Ethernet devices that have been tested with CobraNet including switches and media converters Yamaha Web site http www yamahaproaudio com Yamaha Co...

Page 29: ...tatransfer between networks using disparate protocols The NHB32 C offers a bridge between AES EBU and CobraNet format digital audio Bundle CobraNet distributes digital audio data in bundles Each Ether...

Page 30: ...rd that supports data transfer rates of 1 000 Mbps CobraNet supports Gigabit Ethernet A Gigabit switched network can handle up to 1 028 CobraNet audio channels Half duplex A communications mode that a...

Page 31: ...red pin for pin i e pin 1 connects to pin 1 pin 2 to pin 2 and so on Straight cables are used to connect Ethernet devices to network hubs You can easily tell whether an Ethernet cable is crossover or...

Page 32: ...2003 Yamaha Corporation...

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