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4EVAC SW6 Installation And User Manual Download Page 10

Hacousto Holland bv 

Industrieweg 87 

2651BC  Berkel & Rodenrijs 

 

4Evac SW6 / SW6-LITE INSTALLATION and USER 
GUIDE V04 

Author: 

TC 

 

 

 

 

 

Page 10 of 26 

  

 

Lack of reliable specifications of loudspeakers and loudspeaker cables, as well as complex nature 
of combined total impedance of a loudspeaker line makes it impossible to predict or calculate 
impedance at 20kHz without real measurements. 

In order to effectively assess loudspeaker lines monitoring in 4EVAC systems, it is necessary to use 

Live  Monitoring 

feature  of  the  4EVAC  Manager  GUI  application,  where  you  can  observe  exact 

impedance at 20kHz of each loudspeaker line, in real time. (More information on how to use 4EVAC 
Manager you can find in 4EVAC Manager User Manual). 

 

Live Monitoring in 4EVAC Manager GUI 

In the screenshot above you can see Live monitoring window of 4E-SW6. For each output line 
following parameters are displayed in real time: 

•

 

Impedance 
This is the actual 20kHz impedance measured in real time by the system. Values below 10Ω 
are considered as short circuit. Values above 5kΩ are considered as open line. 

•

 

Reference impedance 
This is the reference impedance saved in system memory during impedance calibration. 

•

 

Deviation 
This  is  the  difference  between  reference  impedance  and  actually  measured  impedance, 
expressed  in  %.  Deviation  relates  directly  to  Tolerance  setting  of  EOL  monitoring  (see 
4EVAC Manager User Manual) 

 

 

Summary of Contents for SW6

Page 1: ...installed and configured Installation instructions are addressed to the trained technical personnel such as installers service technicians and commissioning engineers User instructions explain how to operate 4E SW6 by the end users as well as technical personnel such as service technicians REVISION and APPROVAL Rev Date Nature of Changes Approved By 043 10 03 2020 Spec change max load SW6 output t...

Page 2: ...2 1 EOL module 8 5 2 2 EOL measurement calibration 8 5 2 3 Live monitoring of EOL impedance measurement 9 5 2 4 EOL monitoring step plan for commissioning 11 5 2 5 Operation of SW6 with Compact 13 5 2 6 Operation of SW6 with Impact 14 5 2 7 Fault detection backup amplifier function 15 5 3 24V DC input 16 5 4 Indications 17 5 5 L Net 18 5 5 1 Network ports 19 5 5 2 Redundant link 19 5 5 3 Network c...

Page 3: ... lines with individual surveillance and short circuit isolator units Loopdrive Each loudspeaker line can handle up to 200 W load and can be assigned as a separate individual zone One input can accept maximum 500 W of power this is also the limit for total load of all 6 output lines together NOTE With IMPACT Multiple N 4E SW6 modules can be fed in parallel from the same pair of amplifiers creating ...

Page 4: ...g of SW6 LITE is same as for SW6 The loudspeaker line surveillance needs to be set OFF Where do I start First make sure that you are officially allowed to access the hardware of Compact 500 Impact system devices This is usually the case if you are an authorized representative of 4EVAC you have been trained by 4EVAC or its authorized representative for installation service and commissioning of Comp...

Page 5: ...ttings or hardware damage causing serious system malfunction and therefore are strictly prohibited and void manufacturer s warranty Configuration settings Settings for 4E SW6 are included in the configuration file located on micro SD memory card installed in the Compact 500 Impact CONTROLLER unit Configuration file includes user defined settings such as a Definition of amplifier channels connected...

Page 6: ...gnal of maximum 500 W each Amplifier CHA CHB input connector is doubled direct internal parallel connection for convenient daisy chaining of multiple SW6 modules using the same amplifier 5 1 1 Single channel mode In single channel mode 4E SW6 works as 1x6 matrix Only one audio signal can be distributed over 6 output zones Each output zone of SW6 can be either transmitting signal from input A or re...

Page 7: ...op priority signals while the other signals are suspended In this mode 4E SW6 provides built in backup amplifier function see chapter Backup amplifier function because two amplifiers are physically connected to 4E SW6 Compact 500 is capable to operate with max 3 x 4E SW6 in dual channel mode each fed by 2 of 6 amplifier channels available in Compact Maximum total load in this case is 3 x 100W 100W...

Page 8: ... 145 C thermal fuse minimizing the risk of line short circuit under fire conditions Exposing EOL board to temperatures exceeding 145 C will damage EOL circuit and cause open fault of the loudspeaker line The purpose of EOL is to create reference load at the monitoring frequency 20kHz With EOL connected monitoring of load impedance is more accurate and less sensitive to slow and long term impedance...

Page 9: ...cated next to the network port 1 Press CAL button If calibration is started you will see all LEDs start blinking yellow 2 Release the CAL button and wait until 3 SW6 will indicate result of calibration on LEDs see chapter Indications If the impedance of the line is within acceptable range calibration should be successful If line calibration is not successful impedance of this line is not acceptabl...

Page 10: ...of each loudspeaker line in real time More information on how to use 4EVAC Manager you can find in 4EVAC Manager User Manual Live Monitoring in 4EVAC Manager GUI In the screenshot above you can see Live monitoring window of 4E SW6 For each output line following parameters are displayed in real time Impedance This is the actual 20kHz impedance measured in real time by the system Values below 10Ω ar...

Page 11: ...ng further measurements After few seconds disconnect and wires B Measure loudspeaker line with multimeter a Check if and wires are not shorted b Check continuity of loudspeaker cable open circuit 1 Connect and wires together at the end of the line usually right at the last loudspeaker 2 Measure loop resistance of the loudspeaker cable at the connection terminal where the line is supposed to connec...

Page 12: ...ble loudspeakers 2 Wait for the measurement to stabilize 3 Note down impedance value as Zopen If Live Monitoring displays Open instead of a number take 5kΩ as open impedance b Short 1 Connect and wires together at the end of the line usually right at the last loudspeaker 2 Wait for the measurement to stabilize 3 Note down impedance value as Zshort If Live Monitoring displays short instead of a num...

Page 13: ...Short test a Create short circuit at the end of the line b Observe the Deviation value c Wait for line fault detection C Open test a Disconnect EOL module at the end of the line b Observe the Deviation value c Wait for line fault detection 5 2 5 Operation of SW6 with Compact If inputs of 4E SW6 are attached to power amplifier of Compact 500 in system settings see 4EVAC manager GUI manual and outpu...

Page 14: ...ifier in system settings see 4EVAC manager GUI manual and its output lines are attached to zones then the 100V matrix can route each of the outputs to any input depending on routing command from main controller 4E SW6 can transmit to its output lines maximum 2 different audio signals channel A channel B and silence internal surveillance bus C If user attempts to transmit more than 2 signals e g bg...

Page 15: ...r Impact Controller will re route the highest priority signal transmitted at that moment to the zones powered by SW6 Backup amplifier function example failure of Channel A EVAC signal transmitted In the example above initially two audio streams were transmitted to output zones CHA high priority EVAC L1 L2 L6 CHB low priority paging L3 L4 L5 idle no audio transmitted As soon as the input failure is...

Page 16: ...m 20 kHz which is the absolute minimum impedance required for correct measurement b Open circuit speakers missing EOL missing high 20 kHz impedance fault If an output is detected as open the line will enter open fault status and indication Further open line will behave as a healthy line and will be routed to input A or B depending on the zone activation Open is detected whenever load measurement a...

Page 17: ...also displayed on LEDs LED indicators show status of each output line including a Whether a line is connected to channel A B or none b Fault status short open c EOL measurement calibration result status which LED s colour mode pattern 1 SW6 booting no config all blue sequence running circular 2 line disabled in config both continuous off 3 line not monitored in config both orange simultaneous flas...

Page 18: ...link 0 125s 0 125s alternative slow blink for 2 LEDs alternative fast blink for 2 LEDs 5 5 L Net 4E SW6 is a network device connected to L Net port of C500 main unit Multiple 4E SW6 interfaces may be used in the same L Net with following limitations maximum 2 units per L Net port without additional power cable maximum 16 units per single C500 main unit total sum of all 3 L net ports units powered ...

Page 19: ...act 500 main unit connect both L Net ports of the device to two L Net ports on the C500 main unit You can choose any L Net port on the C500 main unit This creates double daisy chain of redundant A B power and data link to the device and ensures fail safe networking in case of single cable or port failure Both spurs of the redundant A B link may be populated with other L Net devices NOTE The device...

Page 20: ...purs of the redundant link 5 5 3 Network cabling 4EVAC network features full duplex RS 422 data link and 24V DC power to remote devices If you re building distributed system using 4EVAC network you should make physical links between devices using the right cables Cabling should meet following requirements 1 Crossover twisted pair cable compatible with Ethernet crossover a Pin number Pin number xov...

Page 21: ...main in boot sequence not operational Caution Use only crossover cables and keep correct pinout Connecting power pins to data pins will damage the network port 5 6 Device ID SW6 needs ID setting in order to be properly recognized in the network and operate If the device ID is duplicated or set to a wrong value the device will not receive correct configuration settings from the master Compact 500 m...

Page 22: ...ength Inputs CH A CH B 2 pluggable screw terminal block 5 08 mm 100V audio 20kHz tone presence surveillance typ 2 x 1 5 2 5mm2 10 m Outputs 1 6 6 EOL surveillance 20kHz 1000 m 24V DC input 2 pluggable screw terminal block 3 5 mm 24 V DC Both 24 inputs are connected in parallel for daisy chain multiple units 2 x 0 5 mm2 10 m L Net port 3 RJ 45 Full duplex RS 422 Daisy chain with power delivery and ...

Page 23: ...Hacousto Holland bv Industrieweg 87 2651BC Berkel Rodenrijs 4Evac SW6 SW6 LITE INSTALLATION and USER GUIDE V04 Author TC Page 23 of 26 Examples of use with Impact Impact system 2x500W 12 zones ...

Page 24: ...Hacousto Holland bv Industrieweg 87 2651BC Berkel Rodenrijs 4Evac SW6 SW6 LITE INSTALLATION and USER GUIDE V04 Author TC Page 24 of 26 Example of use with Compact Compact system 2x100W 6 zones ...

Page 25: ... short open impedance deviation Loopdrive Loop DC monitoring with short circuit isolators short open earth leakage EN54 17 Number of zones max 6 zones per SW6 Power consumption 24V L Net 24V DC in continuous 175mA quiescent peak 225mA all relays activated Audio performance Frequency response 20 Hz 20 kHz Local network interface Architecture Master slave up to 16 slave devices per main controller u...

Page 26: ...erkel Rodenrijs 4Evac SW6 SW6 LITE INSTALLATION and USER GUIDE V04 Author TC Page 26 of 26 M A D E I N T H E N E T H E R L A N D S 4EVAC is a trade name of Hacousto Holland bv Industrieweg 87 2651BC Berkel Rodenrijs The Netherlands www 4EVAC com ...

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