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Ampcontrol VAA, User Manual

The Ampcontrol VAA User Manual is your go-to resource for understanding and harnessing the full potential of this cutting-edge product. This comprehensive manual provides step-by-step instructions and invaluable insights, giving you the knowledge and confidence needed to optimize its performance. Download this manual for free from manualshive.com today.

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VOICECOM USER MANUAL ISSUE 4  

CONTENTS 

CHAPTER 1 – OVERVIEW OF THE VOICECOM SYSTEM................................................................................... 4

 

System highlights ......................................................................................................................................... 4

 

VCA features ................................................................................................................................................ 4

 

VAA features ................................................................................................................................................ 4

 

Applications .................................................................................................................................................. 4

 

The VoiceCom Controller – VCA .................................................................................................................. 5

 

Key Functions .............................................................................................................................................. 5

 

Controller Terminals ..................................................................................................................................... 5

 

PC Software ................................................................................................................................................. 6

 

Modbus ........................................................................................................................................................ 6

 

The VoiceCom Amplifier – VAA Overview.................................................................................................... 6

 

Key Functions .............................................................................................................................................. 6

 

Keypad ......................................................................................................................................................... 6

 

Display ......................................................................................................................................................... 6

 

Local Configuration ...................................................................................................................................... 6

 

Advanced Battery Management ................................................................................................................... 6

 

CHAPTER 2 – INSTALLATION .............................................................................................................................. 7

 

VCA Physical installation.............................................................................................................................. 7

 

VCA Connections and Wiring ....................................................................................................................... 7

 

Digital Inputs ................................................................................................................................................ 8

 

Digital Outputs ............................................................................................................................................ 10

 

110VAC Power Inlet and Relay Outputs .................................................................................................... 10

 

Case Earth ................................................................................................................................................. 10

 

Data Communication Ports ........................................................................................................................ 11

 

Communication Line 1 and 2 I.S. Interfaces .............................................................................................. 11

 

I.S. Keypad Interface .................................................................................................................................. 13

 

I.S. Audio Interface ..................................................................................................................................... 14

 

I.S. Earth .................................................................................................................................................... 14

 

VAA Physical Installation............................................................................................................................ 15

 

VAA Connections and Wiring ..................................................................................................................... 16

 

CHAPTER 3 - VCA OPERATION ......................................................................................................................... 17

 

HMI Features ............................................................................................................................................. 17

 

Front Panel ................................................................................................................................................. 17

 

Display and Main Menu Page .................................................................................................................... 18

 

Menu System ............................................................................................................................................. 19

 

Navigation .................................................................................................................................................. 19

 

Voice Message Information Page – Level 1 ............................................................................................... 19

 

VCA Message Bank Download Page – Level 1 ......................................................................................... 20

 

Line Status, VAA Status and Programming Pages – Level 2 and 3 ........................................................... 20

 

Line Status Page ........................................................................................................................................ 20

 

VAA Address Setup Page .......................................................................................................................... 21

 

VAA Status Pages ...................................................................................................................................... 23

 

VAA Operational Status Values ................................................................................................................. 24

 

VAA User Programmable Settings ............................................................................................................. 24

 

Setting VAA parameters: ............................................................................................................................ 25

 

Modbus Communication Status – Level 4 .................................................................................................. 26

 

Relay Outputs and Digital I/O – Level 5 ..................................................................................................... 27

 

Relay Outputs Page ................................................................................................................................... 27

 

Digital Output Page .................................................................................................................................... 27

 

Digital Inputs Page ..................................................................................................................................... 28

 

VCA Configuration – Level 6 ...................................................................................................................... 29

 

Changing VCA Settings.............................................................................................................................. 32

 

CHAPTER 4 – VAA OPERATION ........................................................................................................................ 33

 

VAA Amplifier Module ................................................................................................................................ 33

 

VAA Features ............................................................................................................................................. 33

 

The LCD ..................................................................................................................................................... 34

 

Summary of Contents for VAA

Page 1: ...sue_4_E06397_15 8 08 pdf Designed and Manufactured in Australia by Ampcontrol Pty Limited ACN 000 915 542 Phone 02 4956 5899 Fax 02 4956 5985 www ampcontrol com au No copies of the information or drawings within this manual shall be made without the prior consent of Ampcontrol ...

Page 2: ...tion and specifically disclaims any implied warranties or fitness for any particular purpose Ampcontrol further reserves the right to alter the specification of the system and or manual without obligation to notify any person or organisation of these changes Before You Begin We would like to take a moment to thank you for purchasing the VoiceCom Communication System To become completely familiar w...

Page 3: ...eypad Interface 13 I S Audio Interface 14 I S Earth 14 VAA Physical Installation 15 VAA Connections and Wiring 16 CHAPTER 3 VCA OPERATION 17 HMI Features 17 Front Panel 17 Display and Main Menu Page 18 Menu System 19 Navigation 19 Voice Message Information Page Level 1 19 VCA Message Bank Download Page Level 1 20 Line Status VAA Status and Programming Pages Level 2 and 3 20 Line Status Page 20 VAA...

Page 4: ...mple 2 a failed pre start alarm 45 Example 3 46 CHAPTER 6 CREATING AND DOWNLOADING VOICE MESSAGES 47 Recording and Editing Voice Messages 47 VCA Message Bank Editor 47 Voice Message Bank Editor Installation 47 Creating a Message Bank 48 Downloading and Uploading the Message Bank 52 Downloading 52 Uploading 54 CHAPTER 7 TROUBLESHOOTING 55 APPENDIX A COMMISSIONING 57 VAA Configuration 57 Address Set...

Page 5: ...Longwall 72 Conveyor 72 VAA Only eg vehicle road drift etc 72 Audio Interface Audio Barrier 72 SCADA Displays 72 Voice Messages 72 Loading Voice Messages 72 APPENDIX D MENU MAP 73 APPENDIX E PARTS LIST 74 APPENDIX F SPECIFICATIONS 75 VCA 75 Tones 75 APPENDIX G I S APPROVALS 77 ...

Page 6: ... messages 4 line backlit LCD display Tactile seven button integrated keypad optional external keypad available Easy to use menu system allowing access to system status and configuration pages 16MB flash memory for up to 25 minutes of voice message storage Monitor and configure VAA field units from VCA RS 232 interface for downloading voice messages from a PC RS 485 Modbus interface allows control ...

Page 7: ...iggered digital inputs for voice message control 2 pre start alarm initiation digital inputs one for each communication line 4 digital outputs providing system status indication 4 relay contacts providing pre start alarm confirmation outputs and system status indication RS 232 3 wire port for downloading of voice messages RS 485 3 wire port for Modbus connection to a PLC 2 4 wire communication lin...

Page 8: ...events unwanted noise from being amplified Keypad Each of the four VAA keypad buttons also generates a different tone when pressed The SPEAK button generates a brief tone when pressed and then a higher pitch tone when released to get the attention of other users Pressing the CALL LOCAL button also generates a tone that can also be used to get the attention of other users The CALL EXCHANGE button g...

Page 9: ...r of the VCA unit VAA unit wiring can be found later in this manual The VCA has eight terminal headers and is supplied with seven terminal plugs The I S Earth terminal is the eighth header and is fixed to the rear of the VCA There is also a mains earth connection point which should not be confused with the I S Earth The eight terminal headers and case earth are shown in Figure 3 These are 1 Digita...

Page 10: ...e as follows 1 Digital Inputs Modbus In this mode asserting digital inputs 1 to 12 plays messages 1 to 12 respectively Messages 13 to 255 are initiated via the Modbus communication link 2 Strobe In this mode all messages 1 to 255 can be played by setting up the voice message address as an eight bit binary number using digital inputs 1 to 8 and then using digital input 9 as a strobe to initiate tha...

Page 11: ...p message address in binary where DI1 is the least significant bit Apply and hold 24VDC to the inputs until strobe input has been asserted DI9 Momentarily apply 24VDC edge triggered input to play the message once the message address has been set up using inputs DI1 to 8 DI10 to 12 Not used no connection PSR1 Apply 24VDC to input and hold to play pre start alarm down line 1 PSR2 Apply 24VDC to inpu...

Page 12: ...ages DO3 asserted while a voice message is playing This output can assist the message control device such as a PLC with voice message queuing DO4 this output current has no function 110VAC Power Inlet and Relay Outputs The RELAY PWR header contains the terminations for VCA power supply connection and relay outputs The following table describes the functions of the input output terminals CAUTION EL...

Page 13: ...to the VCA Operation chapter of this manual for information on how to configure the communication parameters for this port Further information on using Modbus can be found in Appendix B Table 4 below lists the data port connections and Figure 4 shows the terminal wiring Table 4 VCA Data Port Connections Terminal Function w r t the VCA 485 RS 485 negative 0V 485 RS 485 common 485 RS 485 positive No...

Page 14: ...iring for LINE 1 The wiring for LINE 2 is identical NOTE Each communication line must be powered by a separate I S power supply Table 5 LINE 1 Communication Line Interface Connections Terminal Function 0V 1 0V supply line 1 VoiceCom LINE 1 Audio 1 Audio line 1 Call 1 Call digital line 1 V Line 1 Negative supply line 1 0V 1 I S power supply 1 positive input V PS1 I S power supply 1 negative input T...

Page 15: ...serted VCA configuration settings can be changed and Voice Message Bank files can be downloaded Opening the LOCK input prevents any settings from being changed The LOCK input should be wired to a key lock switch located adjacent to the VCA or behind the panel door The keypad inputs are powered from an I S power supply One of the communication line I S power supplies can be used For further wiring ...

Page 16: ...ows the audio from one VoiceCom system to be broadcast on the other system and vice versa Note however that this does not enable a pre start alarm to sound on the other VoiceCom system or the extension of the digital communication Refer to Appendix C for more information on connecting the VoiceCom system to other communication systems Table 8 I S Audio Interface Connections Terminal Function AUDIO...

Page 17: ... for the VAA and speakers Figure 8 VAA module p n E08831 The VAA module consists of the following items 1 VAA amplifier sub assembly p n E08831 4 4 way double headed plug for VoiceCom communication line connection 2 6V 1 2Ahr battery pack p n E08584 5 4 M6 x 20mm Allen head bolts 3 4 way mini plug for speaker connection 6 4 M6 nylon flat washers NOTE Only the approved speakers can be connected to ...

Page 18: ...hout breaking the line Table 10 VAA speaker connections Terminal Function 1 Speaker 1 positive 1 Speaker 1negative 2 Speaker 2 positive 2 Speaker 2 negative NOTE The 4 way speaker terminal allows for the connection of two speakers Wire length between the speakers and the VAA module should not exceed 300mm The connection wire must be a minimum of 0 1mm in diameter and the wire insulation thickness ...

Page 19: ... remote monitoring The VCA s operation is best explained by looking at the all of the VCA status and configuration display pages HMI Features Front Panel The front panel of the VCA includes 4 line 20 character backlit LCD 7 button keypad Multicolour indicator LED green orange red 1 Display backlit LCD 4 Key Function used to view last pre start alarm operation 2 Keys navigate through menu pages and...

Page 20: ...meter VAA Reply Alarm The number of VAAs that the VCA can communicate with is greater less than the of VAAs to be online parameter Address Clash Two or more VAAs have the same address No VAAs Enabled The of VAAs to be online parameter is set to None PSW Active A pre start alarm is active PSW Healthy The pre start alarm has been successful All the required VAAs confirmed sounding the pre start alar...

Page 21: ...l Outputs and Inputs pages 6 Configuration pages Navigation To navigate between menu levels use the and keys To navigate through pages on the same level use the keys Holding down these keys enables fast scrolling This allows menu pages and settings to be scrolled through rapidly with out having to press the key multiple times To return back to the Main Menu page press the key Voice Message Informa...

Page 22: ... state of the communications line By moving to the left or right on either of these two levels you will find current status for each VAA connected to that line VAA address settings configuration pages can also be accessed from these menu levels Line Status Page The Line Status page for LINE 1 is shown in Figure 14 below 1 Menu level shown on all pages except those on menu level 1 6 Digital comms s...

Page 23: ...st Input and Confirm Output State Indication The second line of the display shows the current state of the Pre Start Alarm Request PSR digital input and the Pre start Confirm PSC relay output for this line VAA Key Press Indication There are four symbols which will appear on the right hand end of the second line one for each VAA keypad key From left to right these blocks indicate the CALL EXCHANGE ...

Page 24: ... can cycle through all the connected VAA units by pressing the key The VAA units will appear starting with the unit with the lowest serial number VAA serial number 0100 will be used in this example Once you have found the serial number of the VAA that you want to change the address of press the key once You will notice on the second line of the display the text will change from Accept to SetAdr as...

Page 25: ...nd the other menu pages can be found in the VCA Operation chapter of this manual A C symbol indicates an address clash Two or more VAAs may have been programmed with the same address Note New VAA units will be pre programmed to address 1 by default VAA Status Pages The VAA Status pages are found on the same level as the Line Status page They are accessed by pressing the keys as shown in Figure 19 ...

Page 26: ... If the battery voltage falls below 5 9V it will shut itself off to prevent any permanent damage from occuring The output will only turn on once the battery has received enough charge to take it above the 6 0V Ibat this is the current going into coming from the battery The current will depend on whether the battery is charging fully charged or if the VAA s amplifier is on due to a PSA voice messag...

Page 27: ...ake all the current they can leaving little current for the VAAs furthest away from the power supply These VAAs may never charge fully An example will help to illustrate this Example There are 31 VAAs connected to LINE 1 and a 14VDC 1A I S power supply is being used The battery charging current of all the VAAs has been set to 40mA Assuming all the batteries are fully charged a pre start alarm is s...

Page 28: ...eceived Par A solid block appears when a parity error is detected Wrt A solid block appears when a WRITE command is received NF A solid block appears when noise is detected Exc A solid block appears when an unsupported Modbus command is received FE A solid block appears when a framing error is detected The configuration pages for the Modbus port can be found on menu level 6 On configuration settin...

Page 29: ...sed while the controller is powered If a VCA memory fault or Message Bank processor fault occurs this relay will de energise Relay 2 no function Relay 3 Pre start alarm LINE 1 confirmed Relay 4 Pre start alarm LINE 2 confirmed Digital Output Page 1 Menu level 4 Digital output 3 state 2 Digital output 1 state 5 Digital output 4 state 3 Digital output 2 state o o unasserted open o o asserted closed ...

Page 30: ...external event by pressing the FUNC button on any VAA connected to the communication line This output flag is also available through Modbus DO3 asserted when a voice message is playing This output provides a hardwired indication that a voice message is playing This output flag is also available through Modbus DO4 no function Digital Inputs Page 1 Menu level 4 Digital Inputs 1 2 3 and 4 state 2 PSR...

Page 31: ... too high may cause the voice messages to sound distorted VAA Digital Coms Turn off with Audio yes or no When set to yes the VoiceCom communication line digital protocol is inhibited while audio is detected on the line The level of audio needed to turn off the digital protocol depends on the Audio Threshold setting Set this to yes if digital noise can be heard while messages are played or during V...

Page 32: ...VAAs on LINE 2 that can fail to sound a pre start alarm and still allow the pre start to be successful A successful pre start alarm will close the close relay output PSC1 Line 2 Pre start Warning Tone 0 to 7 Sets the pre start alarm tone for LINE 2 There are 8 pre start alarm tones available Line 2 Pre start OK Current Threshold 30mA to 180mA in 10mA steps This sets the minimum current that must b...

Page 33: ...57k6bps 115k2bps 230k4bps This sets the baud rate of the VCA to PC connection using the RS 232 port for the downloading of Message Banks All other communication parameters are fixed as the RS 232 port is only connected to a PC running the Voice Message Bank Editor program ...

Page 34: ... The value that appears in the can now be changed Pressing the key will take the display out of the setting edit mode and any changes will not be saved 3 Use the keys to change the value as required 4 Press the key again to save the setting The second line of the display will show Saving Value for a brief moment while the setting is saved 5 Once the new value has been saved the display will go ret...

Page 35: ...2 VAA battery pack NOTE The battery pack must be connected to the VAA amplifier module in order for the VAA to function VAA Amplifier Module VAA Features 1 8 character LCD 5 Speaker connection header for two speakers 2 Sealed microphone 6 Battery pack connection header 3 4 key membrane keypad 7 Communication line connection header 4 VAA serial number Figure 26 Amplifier Module with Battery Pack 2 ...

Page 36: ...a polling indicator bar Display Cycle The display shows the VAA s current operational parameters and status The display shows line voltage L U battery voltage B U and battery current in milliamps B I The display continuously cycles through these three operational values in the order shown in Figure 28 B I the battery current does appear twice in each cycle L U 12 0 1 2 3 4 1 2 3 5 6 7 4 Figure 27 ...

Page 37: ...s polled this segment will flash Viewing a VAA s status page from the VCA will cause that VAA to be polled more often NOTE VAAs with version 1 firmware do not have these status segments Display Messages Table 13 VAA Display Messages An address clash exists Check that all VAAs have been programmed with a unique address When the VCA initiates a pre start alarm PSW is displayed on the VAA The display...

Page 38: ...ctive system messages A brief tone is generated when this button is pressed and is only heard locally at that VAA The display shows the text FunC while the button is pressed CALL LOCAL The Call Local button causes the VAA to generate a 848Hz tone while being pressed This tone is heard at that VAA and across the whole system It can be used for signalling other users The display shows the text CALL ...

Page 39: ...st remain pressed 3 If the correlation between the button presses and the flashing F is close enough access to Setup mode is granted The display will briefly show the VAA firmware version before displaying the first VAA setting The SPEAK and FUNC buttons can then be released NOTE The VAA display will quit out of Setup Mode if no keys are pressed for 5 seconds and any changes will not be saved Cont...

Page 40: ... 0 is the lowest level where by only a very low level of audio will turn on the amplifier 7 is the highest level ICHG Charging Current 5 to 40 in mA The charging current setting is the amount of current the VAA will draw from the communication line to charge its battery The charging current requires careful consideration as it depends on the output of the I S power supply used the number of VAAs c...

Page 41: ... pack securing hooks on to the mounting points on the top of the amplifier module so that they are clasped securely 2 Gently press the battery pack connector into the header on the back of the amplifier module 3 Screw the two captive allen head battery pack retaining screws using a 2 5mm hex head tool VAA Battery States Voltage and Charge Table 15 VAA Battery States Fully Charged Charging Low Char...

Page 42: ...her be inserted in the holes on top of the header or into the socket holes 3 The VAA display will go blank when the battery has shut down 4 Remove the wire from the header Waking the VAA To wake up a VAA that has shut down connect the VAA to a VoiceCom communication line with a power supply voltage greater than 11Vdc A VAA that has been put to sleep and has enough charge will wake up straight away...

Page 43: ...ms cannot be initiated via Modbus 2 When a pre start alarm is initiated for a particular line the VCA sends the pre start alarm command down that line using the digital communication protocol The command includes the following information Pre start alarm tone to sound tones 0 to 7 depends on configuration Pre start minimum current draw threshold depends on configuration 3 The pre start alarm will ...

Page 44: ...ween 140mA to 180mA with two speakers connected If one speaker fails the current drawn will be approximately half the two speaker value If both speakers fail the current will only be a few mA a If the current being drawn from the battery exceeds the current threshold level then the pre start alarm has successfully sounded at the VAA The VAA display will alternate between showing the text PS PASS a...

Page 45: ...ul The VCA Main Menu page will display the text PSW Healthy The confirm relay PSC1 or PSC2 will close b If the number of VAA confirmations received by the VCA is less than the minimum confirmations value the pre start alarm has failed The VCA Main Menu page will display the text PSW Active until the pre start request input is removed or the pre start is blocked The confirm relay PSC1 or PSC2 will ...

Page 46: ... failing Table 16 PSA Confirmation Process Verifying the Pre start Alarm Later From the Line Status page the outcome of the last pre start alarm operation can be viewed for fault finding purposes 1 Pressing the key will show which VAAs confirmed however it does not explicitly show which VAAs failed 2 Press and hold the key The symbol will change into either a P or a 3 If the changes to a P this in...

Page 47: ...s energised because the pre start alarm has sounded successfully Example 2 a failed pre start alarm The system VAAs connected 20 of VAA s to be online 20 ServiceFactor VAA s offline 0 1 The settings are kept the same as example 1 2 Figure 33 shows how the Line Status page once all the confirmations have been received Note the two X symbols indicating that VAAs at addresses 7 and 20 failed to confi...

Page 48: ...ergised because the pre start alarm has sounded successfully 5 Once the pre start alarm input has been removed the Line Status page will revert back to its normal display showing a solid block for each VAA online 6 To view which VAAs confirmed sounding an alarm during the last pre start press and hold the key The Line Status page is shown in Figure 35 Note that the VAAs that failed to confirm are ...

Page 49: ...es are sensitive enough to pick up noise from the air conditioning PC fans and disk drives If possible select a voice that is clear sounding female voices seem to get the most attention When editing try to trim as much silence from either end of the message sample as possible This will eliminate any unnecessary pauses when messages are played Maximise amplify the samples as much as possible withou...

Page 50: ...an existing message bank can be opened by selecting Open Creating a new message bank 1 Open the File menu and select New to open a blank message bank A message bank looks much like a table made up of six columns and 255 rows one for each message as shown in Figure 37 The columns are Number voice message number 1 to 255 Description the imported WAV audio file name by default but can be changed 14 c...

Page 51: ... the standard Windows Open Dialogue Box as shown in Figure 38 This allows you to select the desired WAV audio file to import into the Message Bank Notice that the Files of type drop down menu defaults to WAV Files WAV Only WAV audio files can be imported into the message bank Select the file and click the Open button As an example we will choose the PLC_Comms_Failed wav file and import this to mes...

Page 52: ...ly the same Message Bank could be reused on multiple systems Voice Message Settings There are three voice message attributes that can be changed These are Voice message description Audio Format Pretone Description Click on a Description cell to change the message title text When a Description cell is clicked the text becomes highlighted and a curser appears A maximum of 14 characters can be entere...

Page 53: ...t on memory space At this point you may have to start experimenting with the audio formats to free up Message Bank memory TIP You can test an audio message by playing it from within the Voice Message Bank Editor Select the message number and then from the Message menu select Play Clicking the right mouse button over the message number opens a pop up menu that also has the Play option By playing th...

Page 54: ...loading the Message Bank Once a Message Bank has been created or modified the next step is to download it to the VCA However a Message Bank that has been loaded into a VCA can up uploaded back to a PC This may be necessary if the original Message Bank PC file has been lost and voice messages need to be added or changed for example Downloading This is the procedure for downloading the Voice Message...

Page 55: ...sed to connect to a VCA 8 Check that the Baud rate communication setting in the Setup Communications window is set to the same rate as the VCA as shown in Figure 41 The VCA s serial baud rate is displayed on the VCA Message Bank page By default this should be set to 115 2kbps the maximum baud rate supported by most PC serial ports The baud rate can also be set to 57 6k and 28 8k Some PCs may be eq...

Page 56: ...e VCA s Message Bank memory The VCA Message Bank page would display a value of about 50 just before the download completed Do not be alarmed by this The downloaded has completed successfully Uploading The procedure for uploading a Message Bank from the VCA to a PC is almost the same as the one for downloading Follow steps 1 to 10 as described for downloading a Message Bank Once communication has b...

Page 57: ...he digital noise Fails pre start Service factor setting on VCA to low Increase service factor setting on VCA Faulty VAA units Isolate individual units fault and replace Speakers Replace faulty speaker s iMAC or PED noise on line Poor Faulty wiring See notes Voice message s not playing Incorrect settings on VCA Check message initiation mode Wiring issues any of the following can cause VoiceCom syst...

Page 58: ... Out of range current reading Battery Replace battery VAA Replace VAA Out of range voltage reading Battery Replace battery VAA Replace VAA Blank LCD Battery Replace battery VAA Replace VAA Clicking sound when speak button pushed Battery Replace Battery VAA Replace VAA VAA unit not showing as on line at VCA VAA setting is not in correct mode VCA or DAC Adjust settings at VAA Battery Replace Battery...

Page 59: ...led on the communication and note their locations for reference 2 Address the VAAs sequentially as shown in Figure 44 Go to the VAA with the list of serial numbers and follow the VAA address set up procedure Locate the VAA with the first serial number and set this to address 1 Figure 44 VAA Addressing on Line 1 2 3 Repeat this until all VAAs are addressed Keep the VAA serial number and address rec...

Page 60: ...lified for extended periods the VAA battery charge can become depleted causing the battery to shut down Increasing the audio threshold will prevent the VAA from unnecessarily amplifying any noise Note however if the threshold is set to high legitimate audio from other operators may get cut off These settings can also be adjusted at the VAA The procedure for changing settings at the VAA can be foun...

Page 61: ...se the number of VAAs to be online for LINE 2 should be set to none Pre start Alarm Configuration There are three settings that must be configured before using the pre start alarm All these settings are found on menu level 6 for LINE 1 and LINE 2 These are Service Factor Pre start Warning Tone Pre start OK Current Threshold Service Factor This parameter sets the maximum number of VAAs that can fai...

Page 62: ...o detect whether one or both of a VAA s two speakers have failed While sounding a pre start alarm the VAA will draw a certain amount of current with both speakers functioning If one speaker fails the current drawn will be approximately half the value drawn if both speakers were functioning If both speakers fail a negligible amount of current is drawn 130mA is a suitable current threshold The conse...

Page 63: ...31 or None Line 1 ServiceFactor VAA s offline 0 to 5 Line 1 Pre start Warning Tone 0 to 7 Line 1 Pre Start OK I Threshold 30mA to 180mA in 10mA steps Line 1 Under Voltage Alarm Level None Line 2 Number of VAA s to be Online 1 to 31 or None Line 2 Service Factor 0 to 5 Line 2 Pre start Warning Tone 0 to 7 Line 2 Pre start OK Current Threshold 30mA to 180mA in 10mA steps Line 2 Under Voltage Alarm L...

Page 64: ...VOICECOM USER MANUAL ISSUE 4 62 Modbus Communication Slave Address 1 to 31 Message Bank Serial Baud Rate 28k8bps 57k6bps 115k2bps 230k4bps ...

Page 65: ...ad and Write Functions The following functions can be performed via the Modbus connection Initiate voice messages Read VCA I O status Read VCA configuration settings Read VCA fault alarms Read communication line and pre start alarm status Read VAA operational parameter and setting values Most of these functions are self explanatory from the Modbus table However some functions such as initiating vo...

Page 66: ...lowed by message 100 Joining messages together Joining messages together can be prudent when there are a number of common messages that can apply to a number of locations conveyor belt stations for example A belt station could be tripped isolation requested or remotely isolated These could be recorded as separate messages Then a series of messages could be recorded like at station 1 at station 2 e...

Page 67: ...mber Low Byte Data for all VAAs can be read but only one Data Bank at any one time LINE 1 VAA data is read from Modbus addresses 68 to 191 HEX 44 to BF LINE 2 VAA data is read from Modbus addresses 196 to 319 HEX C4 to 13F It can be seen from the data table that there are four bytes per VAA To set what data appears in those bytes the desired bank number must be written to Modbus address 1 the VAA ...

Page 68: ...ne Via communication line to other VoiceCom system SCADA Displays Suggested SCADA layouts data trending Voice Messages Initiating messages Joining messages together Using tones Loading Voice Messages Load on surface during commissioning using available PC or laptop Make permanent connection between VCA and PC if networked PC located in same enclosure as VCA Create Message Bank on other PC and save...

Page 69: ...DIGITAL COMS TURN OFF DIGITAL COMS T HOLD LINE 1 VAAs ONLINE LINE 1 SVC FACTOR LINE 1 PSW TONE LINE 1 PSW I THRESHOLD LINE 1 UNDER VOLTAGE LINE 2 VAAs ONLINE LINE 2 SVC FACTOR LINE 2 PSW TONE LINE 2 PSW I THRESHOLD LINE 2 UNDER VOLTAGE MODBUS BAUD PARITY MODBUS SLAVE ADR MSG BANK D L BAUD RATE VAA CHARGE CURRENT VAA VOLUME MIC GAIN VAA AUDIO THRESHOLD VAA ADR SETUP ENTE R ES C ENTE R ES C ENTE R E...

Page 70: ...ist E08588 VCA E08985 VCA Remote Keypad E09441 VoiceCom Audio Barrier type NB8 5AC E09100 VAA Stainless Steel Speaker Enclosure with Gland Entries E08831 VAA Battery pack E08584 VAA Battery Pack E9400 RS 232 VCA to PC message bank download serial cable ...

Page 71: ...Communications Communication Ports RS 232 RS 485 RS 232 protocols PC to VCA for Voice Message download only RS 232 baud rates 28 8Kbps 57 6Kbps 115 2Kbps 230 4Kbps RS 485 protocols Modbus RTU RS 485 baud rates parities 1200 2400 4800 9600 19 2Kbps even odd none Message Bank Memory Type Flash Capacity 16MB Tones Pre start Alarm Tones 0 Alternating 1400Hz and 1701Hz at 8 times sec 1 Alternating 1400...

Page 72: ... No tones 1563 1563 8 508 724 1016 No tones 9 1016 724 508 No tones 10 508 508 508 No tones 11 1250 742 1250 No tones 12 508 724 1016 No tones 13 508 724 1016 No tones 14 508 724 1016 No tones 15 No tones No tones VAA Keypad Tones Speak 752Hz PRESS 1002Hz RELEASE Func 400Hz momentary Call Local 848Hz while key is pressed Call Exchange 200Hz for 5 seconds after key is pressed Message Bank Editor Re...

Page 73: ...VOICECOM USER MANUAL ISSUE 4 77 APPENDIX G I S Approvals ...

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Page 78: ...VOICECOM USER MANUAL ISSUE 4 82 ...

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