R.V.R. Elettronica SCM6/1 User Manual Download Page 5

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SCM6/1

ELETTRONICA

iii

User Manual

Rev. 2.0 - 28/10/22

Table of Contents

1. Preliminary Instructions

2. Warranty

3. First Aid

3.1 Treatment of electrical shocks

3.2 Treatment of electrical Burns

4. General Description

4.1 Unpacking

4.2 Features

4.3 Frontal Panel Description

4.4 Rear Panel Description

4.5 Frontal Panel Description Audio Grid

4.6 Rear Panel Description Audio Grid

4.7 Frontal Panel Description AES/EBU Grid

4.8 Rear Panel Description AES/EBU Grid

4.9 Frontal Panel Description RDS Grid

4.10 Rear Panel Description RDS Grid

5. Installation and use

5.1 Installation

5.2 Modes of Operation

5.3 Display

5.4 The Synoptic

6. Operation

6.1 Telecontrol, Telesignaling

6.2 Operation in automatic mode

6.3 Operation in manual mode

7. Internal Description

7.1 SCM6/1

7.2 Audio Grid

7.3 RDS Grid

8. Maintenance

8.1 Preventive Maintenance

8.2 Corrective Maintenance

Summary of Contents for SCM6/1

Page 1: ...SCM6 1 SCM6 1 USER MANUAL VOLUME1 Manufactured by R V R ELETTRONICA Italy ...

Page 2: ... transmitter is in complian ce with the essential requirements and other relevant provisions of Directive 2014 53 EU SCM6 1 User Manual Version 2 0 Copyright 2022 R V R Elettronica Via del Fonditore 2 2c 40138 Bologna Italia Telephone 39 051 6010506 Fax 39 051 6011104 Email info rvr it Web www rvr it All rights reserved Printed and bound in Italy No part of this manual may be reproduced memorized ...

Page 3: ...upply Voltage VDC 24 DC Current ADC 2 Front panel width mm 483 19 19 EIA rack Front panel height mm 176 69 4HE convertire in pollici Overall depth mm 334 Chassis depth mm escluso il pannello esclusi i connettori convertire in pollici Weight kg about 4 Cooling Forced with internal fan Acoustic Noise dBA 58 Digital Specific RVR connectors optocoupler isolated Relay Specific RVR connectors FUSES On M...

Page 4: ...ii User Manual Rev 2 0 28 10 22 SCM6 1 ELETTRONICA ...

Page 5: ...anel Description Audio Grid 7 4 7 Frontal Panel Description AES EBU Grid 8 4 8 Rear Panel Description AES EBU Grid 8 4 9 Frontal Panel Description RDS Grid 8 4 10 Rear Panel Description RDS Grid 8 5 Installation and use 10 5 1 Installation 10 5 2 Modes of Operation 11 5 3 Display 11 5 4 The Synoptic 16 6 Operation 19 6 1 Telecontrol Telesignaling 19 6 2 Operation in automatic mode 24 6 3 Operation...

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Page 7: ...formation it cannot accept responsibility or liability for any errors or inaccuracies in this manual including the products and the software described herein R V R Elettronica reserves the right to make changes to equipment design and or specifications and to this manual at any time without prior notice Notice concerning product intended purpose and use limitations This product is a radio transmit...

Page 8: ...f the victim s chest Figure 5 Figure 3 Figure 4 Figure 5 One rescuer give 2 quick rescue breaths after each 15 compressions Two rescuers one rescue breath after each 5 compressions Do not stop chest compressions while giving artificial breathing Call for medical help as soon as possible 3 1 2 If the victim is conscious Cover victim with a blanket Try to reassure the victim Loosen the victim s clot...

Page 9: ... of two devices SCM6 1 Changeover device AUD6 1 Audio selection device RDS6 1 RDS selection device optional AES6 1 AES EBU selection device optional It s aimed to be incorporated in a transmission system including N maximum 6 main transmitters and a reserve transmitter plus the coaxial relays to perform the permutation between the transmitters and the combiner for the RF output of the transmitters...

Page 10: ...d Automatic changeover policy implementation with transmitter priority support configurable intervention delays to take into account start up recyclage or temporary RF power faults Visualization of the status of the components of the system Setting of the parameters related to the automatic changeover policy TC TS electromechanical interface The user interface of the SCM6 1 is consituted by a LCD ...

Page 11: ...ription 1 SYNOPTIC Representation of the system status 2 DISPLAY Liquid crystals display 3 ENCODER Software control knob and button 4 DEFAULT CONFIGWorking status indication LED and force button 5 REMOTE LOCAL Indicators LEDs and switch 6 AUTO MANUAL Indicators LEDs and switch ...

Page 12: ... connector for the reserve transmitter 4 TX1 6 J16 30 Control connector for transmitters 1 6 top to bottom 5 TX1 6 J21 28 Connectors to the TC TS transmitters 1 6 top to bottom 6 MAINS Mains power plug 7 FUSE Mains fuse 8 SPARE FUSE Spare fuse 9 NETWORK RJ45 connector for TCP IP communication 10 RS232 DB9 connector for direct serial communication 11 COMMAND OUT J27 Control connector for Audio and ...

Page 13: ...rve TX 4 ON Green led lit when the device is ON 5 TXR CHANNEL Six Yellow leds lit when the corresponding audio channel is routed to the reserve transmitter 4 6 Rear Panel Description Audio Grid 1 COMMAND OUT DB25 connector from SCM6 1 2 COMMAND IN DB25 connector to RDS Grid 3 TX1 6 LEFT XLR female left channel input TX1 6 from left to right 4 TX1 6 MPX BNC MPX input TX1 6 from left to right 5 TX1 ...

Page 14: ...XR CHANNEL Six Yellow leds lit when the corresponding AES EBU channels are routed to the reserve transmitter 4 8 Rear Panel Description AES EBU Grid 1 IN 1 6 Balanced XLR female AES EBU channel input TX1 6 from left to right 2 OUT 1 6 Balanced XLR male AES EBU channel output TX1 6 from left to right 3 OUT R Balanced XLR male AES EBU channel output TXR 4 COMMAND IN DB25 connector to RDS Grid 5 COMM...

Page 15: ...id 1 PILOT OUT TX1 6 BNC Pilot tone to RDS encoder 1 6 from left to right 2 RDS IN TX1 6 BNC RDS signal from RDS encoder 1 6 from left to right 3 SCA IN TX1 6 BNC SCA1 signal form RDS encoder 1 6 from left to right 4 PILOT IN TX1 6 BNC Pilot tone from TX1 6 from left to right 5 RDS OUT TX1 6 BNC RDS signal to TX1 6 from left to right 6 SCA OUT TX1 6 BNC SCA1 signal to TX1 6 from left to right 7 CO...

Page 16: ...operating parameters as set and tested at the factory 5 1 Using the encoder The interaction between the user and the exciter s control software is performed using the encoder fig 5 1 Turn the encoder counterclockwise to move the cursor downwards to decrease the value of a parameter or to choose an element from a list of possibilities Turn the encoder clockwise to move the cursor upwards to incre a...

Page 17: ...coder telecontrol of the transmitters from the Frontal is enabled Switch AUTO MANUAL 6 figure 4 3 AUTO The automatism is enabled the effective intervention of the system depends on the configuration of the machine Manual intervention is still possible MANUAL The automatism is disabled 5 3 Display The display is organized in two sections The upper part of the display contains one line for each of t...

Page 18: ...for any reason the command is not performed by the transmitter the actual status of the transmitter will be shown Air Load Status of the switch of the transmitter This item can be used as a switch in configuration or maintenance mode see below pushing the encoder when the cursor is on this item will change the status of the switch Position 1 to Position 2 or vice versa sending the relevant TCs If ...

Page 19: ...es of the main transmitters with the following differences No priority is present The position of the switch is not settable manually in fact there is no switch dedicated to the reserve transmitter and the indication is the consequence of the positions of the main transmitters switches The status Enabled Disabled is not settable The Name shown reflects the status of the of the reserve transmitter ...

Page 20: ...the value in seconds for the following intervals InhBit When switched ON the transmitter is allowed to keep the Inhibit signal active for a time as long as the one configure in this field The SCM6 1 will start checking the Power Good status only at the end of this interval or when the Inhibit signal is deactivated Before Time to wait before considering a Powerfail alarm valid If the PowerGood sign...

Page 21: ... a indicates its aInterlockence InH A X in this column indicates the presence of the InH signal a indicates its aInterlockence For the reserve transmitter line TXR the five fields have a different meaning 1 MA On 2 AR Off 3 DE Fault 4 LOC Local 5 3 example The reserve transmitter is set to suInterlocktitute the transmitter 3 5 3 6 Alarm menu This menu contains the history of the alarms that possib...

Page 22: ...eserve transmitter 5 3 7 GSet menu The General Settings menu is used to set the date and time of the SCM6 1 that is used only for diagnostic purpouses see Alarm menu To set the current date and time enter in the menu screen pushing the encoder on the indication GSet in the navigation bar Then rotate the encoder to highlight the parameter that you want to change and push the encoder again Rotate th...

Page 23: ...s the setting in the configuration of the SCM6 1 or the Local status of the transmitter If a transmitter is not included in the system the corresponding leds are off There are also three red leds related to the TSs of the combiner and of the dummy load fault of the dummy load excessive SWR at the combiner excessive temperature at the combiner 5 5 The Nominal status The SCM6 1 implements the concep...

Page 24: ...hen it performs the necessary steps to go back to the nominal status that is it performs the necessary permutations to bring all the transmitter back in the normal position i e Position 1 it sets the priority level of the transmitters as in the nominal configuration it restores the Enab Disab setting of each transmitter as it was in the nominal configuration When all the steps are completed and co...

Page 25: ...um set of information interchange required to control a transmitter in a changeover system is composed by the Power Good signal from the transmitter and by the Interlock Figure 6 1 Power Good Interlock 24V Any transmitter SCM6 1 or any changeover system Figure 6 1 In a typical installation two more signals are used to send to the transmitter the TCs On and Off Figure 6 2 When the SCM6 1 activates ...

Page 26: ...gized by the user of the information An example of the set of TCs and TSs exchanged between the SCM6 1 and a transmitter Is given in figure 4 3 6 1 1 Links with the main transmitters 6 1 1 1 Signalizations to N 1 1 Transmitted power fault when the fault occurs the Interlock is open 2 Local mode when the transmitter is in local mode the Interlock is closed 3 On transmitter when the transmitter is i...

Page 27: ... made by closing Interlock by the RVR system from the TC common 24 volt supplied by the THOMSON transmitter They are in parallel with the front end SYSTEMEX see appendices 2 3 The existing mono stereo TC on the Thomson system is not included in the RVR system 6 1 1 3 Others 1 HT presence when HT is present a potential of 24 v is present between pins 9 and 10 of the connector lors de la présence HT...

Page 28: ...locks opening closing via a TS Common polarized by the SCM6 1 6 1 2 2 Telecontrols 1 On transmitter 2 Off transmitter 3 Transmitter Configuration TX 1 to TX 6 These telecontrols are obtained by closing a dry interlock by the RVR system from the TC common supplied by the reserve transmitter 6 1 2 3 Others 1 The interlock is connected 2 points open fault 6 1 3 TC TS Signals 6 1 3 1 Telesignalization...

Page 29: ... 1 3 3 Others The interlock is connected 2 points open fault 6 1 4 Connections with coaxial switches 6 1 4 1 Power supply on Socapex connector 1 Phase 1 position 1 2 Phase 2 position 2 6 1 4 2 Copy status 1 Switch in position 1 2 Switch in position 2 6 1 5 Links with baseband grid The TS and TC are identical for the audio drawer and for the broadcast info drawer 6 1 5 1 Telesignalizations Program ...

Page 30: ...6 1 is to cyclically check the RF Power of the transmitters and to suInterlocktitute a faulty principal transmitter using the reserve transmitter This is performed by a software routine of which the overall flow chart is given in figure 6 3 Power Fault Acquisition main loop Permutation to do Priority Management Power Fault Validation Permutation Power Fault validated yes no yes no A B C D E F Figu...

Page 31: ...TX ON no yes A B Figure 6 5 Power fault acquisition This process consists in cyclically checking the TS RF presence from the transmitters of the system until a fault is detected The next transmitter to be checked can also be set externally from the process Permutation see below 6 2 2 Priority management This function is aimed to take into account the status of the system with respect to possible p...

Page 32: ...ed delay interval that i sconfigurable for each transmitter This condition takes the precedence on the other that is if the Inhibit TS is rised while the software is waiting for another timer to expire the Inhibit timer is immediately started and the former timer is discarded This condition is connected with the start up of a transmitter in wich tipically a longer time is allowed before declaring ...

Page 33: ... Power Fault TXi Validated Timer Recycl TXi 0 Start timer Recycl TXi 20 Timer expired TXi Still PG Fault TXi Inhibit present TXi Inhibit present TXi Still PG Fault Timer expired Power Fault not validated yes yes yes yes yes yes yes yes yes no no no no no no no no no yes yes no D E Figure 6 7 Power fault validation 6 2 4 Permutation The permutation process Figure 4 8 can actually assume two forms d...

Page 34: ...ion validated Permutation relay TXj Pos 2 Pos 1 Timer expired Close BS TXj 1 yes no yes no yes no no Start timer TXj After 20 config Timer expired yes no Counter 0 Decrement counter no yes yes Start timer TXj After 20 config TX to manage Txi For Power Fault detection Put TXi OFF TC Arret Put TXr OFF TC Arret 1 NB The TC Marche is not given to the transmitter If it was OFF on load it will remain OF...

Page 35: ...ollable anymore and living to the automatism the possibility to manage possible faults of other transmitters It s the case to remember that in such case the system will not be in Nominal status anymore and such condition will be denoted by the Nominal led on the front panel being off 6 3 Operation in manual mode When the SCM6 1 is set in manual mode with the switch on the front panel the automatis...

Page 36: ...Top view of the SCM6 1 1 System Interconnection board 2 Transmitters control boards up to 7 units 3 CPU board 4 Panel board top 5 Synoptic board bottom 6 Relay interconnection board 7 Switching power supply 8 Rectifiers board 9 Display The different board composing the device are described in the following paragraphs ...

Page 37: ...D E D 2 D I O D E S W 6 S W S P S T S W 9 S W S P S T D 3 D I O D E D 4 D I O D E S W 1 0 S W S P S T S W 1 3 S W S P S T D 7 D I O D E D 9 D I O D E S W 1 6 S W S P S T J P 1 S T M 03S 1 2 3 J P 2 S T M 03S 1 2 3 J P 3 S T M 03S 1 2 3 J P 4 S T M 03S 1 2 3 S W 4 S W S P S T S W 8 S W S P S T S W 3 S W S P S T S W 7 S W S P S T I S O 1 5 O P T O I S O 1 0 O P T O I S O 1 2 O P T O I S O 5 O P T O ...

Page 38: ...ting 1 Working 2 3RS232 communication during programming of the board 4 5 CAN communication not used in SCM6 1 system 6 7IIC communication 1 2 3 4 5 6 7 7 1 3 CPU board The CPU board based on a 80C522 microcontroller realizes all the logic of the system based on the input received via IIC bus from the transmitter control boards It also implements all the other auxiliary function like display manag...

Page 39: ...through the external connectors the external elements of the transmission system transmitters relay etc On the board there are seven LEDs one for each transmitter control board that are visible from outside the machine on the rear panel When lit these LEDs indicate correct working of the transmitter control board On the the right of each DB25 control connector for the transmitters there is a strip...

Page 40: ... right side of the three connectors of the flat cables that join the board to the relay board there are six 4 pin strip lines These jumpers are used to force the Interlock circuit closed if the coaxial relay or the connection to the relay do not provide the out of position contact The jumper identification is JP3 for the coaxial relay of transmitter 1 JP4 for transmitter 2 and so on The security l...

Page 41: ...from SCM6 1 Left 1 Right 1 MPX 1 Left 2 Right 2 MPX 2 Left 6 Right 6 MPX 6 Transmitter Audio Input Zin 2 kΩ This device is basically constituted by a series of switches that are controlled by the SCM6 1 In case of changeover the switches are configured to route the audio signal of the suInterlocktituted main transmitter to the reserve transmitter A panel of LEDs indicates the channel that is fed t...

Page 42: ...grid this device is basically constituted by a series of switches that are controlled by the SCM6 1 In case of changeover the switches are configured to route the RDS signal of the suInterlocktituted main transmitter to the reserve transmitter Apanel of LEDs indicates the channel that is fed to TXr Since the RDS coders have to be synchronized with the pilot tone of the corresponding stereo coder t...

Page 43: ...ode Use the dip switch to set the number of transmitters in the system 5 1 3 Set the jumpers for the power supply of the TC of the frontal 5 1 5 Select the priority of the transmitters Select for each transmitter the configuration Gere Non gere Input the name of each transmitter Modifed as appropriated the wait timers before after and Inhibit Reset the alarm indications Adjust date and time Check ...

Page 44: ...w card Reconnect the mains plug WARNING please apply all the safety precautions while working on the device under voltage with the cover removed Avoid touching any internal component even more in the power supply section Check on the display the presence of the indication Set the transmitter back in remote mode Reassemble the metal bar the front panel and the top cover 8 2 3 SuInterlocktitution of...

Page 45: ...22 Wait for the system to boot and check on the display the correctness of all the telesignals generated by the devices connected to the SCM6 1 If everything is correct put the transmitter in remote mode and configure the SCM6 1 in auto mode if required ...

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Page 47: ..._____________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ ______________________...

Page 48: ...06 Fax 39 051 6011104 e mail info rvr it web http www rvr it The RVR Logo and others referenced RVR products and services are trademarks of RVR Elettronica in Italy other countries or both RVR 1998 all rights reserved All other trademarks trade names or logos used are property of their respective owners ...

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