EXC105 EXCERPT FROM USER AND MAINTENANCE MANUAL
Contents
1. CONTENTS 1 INTRODUC LEON erii ente iibn tudo pi npe Spa pn eo 2 GENERAL DESCRIPTION sicseiscssectscsecsessnccnstsscscsccesscecocsossececstesosvecs 3 TECHNICAL BEA TURES usscecasetoscuess 4 TECHNICAL SPECIFICATIONS eeeeeeeet 5 INSTALLATION AND USE eonun 5 1 FOREWORD TO INSTALLATION eese enne 5 2 SYSTEM CONNECTION 0 709 5 3 LF CONNECTION AND PRESETS 5 4 OPERATION 6 ccccecssccsscecssecsncsoossccsosses tee 6 COMMANDS AND PROGRAMM ING eere enne nennen 6 1 PASSWORD ORGANISATION eerie eene seen seen ennnnue 6 2 FACTORY DEFAULT 5 6 3 MENU AND COMMANDS DESCRIPTION 7 SERVICE AND MAINTENANCE cccssssscsscssssccssenssscsncssecsessesoors 8 GUARANTEE ro 9 SERVICE MANU AW 9 1 INTERNAL DESCRIPTION erre neenon tosta tn sein ennsuu DRAWINGS 1 EXCIOS top front amp rear assembly view 2 EXCIOS general electric diagram E0901 SEXC25CON cpu controller and display board E0838 SEXC25MB If and rf control mainboard E0837 SEXC25MOD FM exciter board E0839 100W power amplifier E0514A SEXC23COD2 stereo encoder boa2. 50 dB 30 15000 Hz with internal encoder S N ratio stereo Audio channel freq response 30 Hz 15 KHz 0 1dB Out of band filter reject gt 50 dB F219 kHz Deviation limiter adjust between 0 and gt 7 dB Composite input freq response 10 Hz 100kHz 0 1dB Aux input frequency response 10 100kHz 0 2 dB I O lines RF disable Direct pw On the air Alarm RS232 for monitoring and control Mains supply requirements 115 230 Vac 15 50 60 Hz 320 220W 100 Wout Operating temperature range 0 35 C recomm 10 45 C max Dimensions without handles 19 3 un std rack 483 x 132 5 x 360mm CONTROL SYSTEMS Via Bari 26 20143 MILANO ITALY tel 39 2 89 150 150 fax 81 36 038 Email siel siel com PAGE 7 sistem EXC105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 COMMANDS AND PROGRAMMING The transmitter permits exhaustive control of all transmission parameters and complete programmability and monitoring facilities through the various software controls via the front panel keyboard and display The same functions are remotely addressable with proper software which is not included as a standard option other than some simple demo programs For a description of remote capability see the proper section on the manual In this section we will examine the front panel menu driven operational capability PASSWORD ORGANISATION The password organisation is set in 3 security lev
3. panel They are The audio channels input sockets on balanced female XLR type connectors The wide band external processed stereo or composite signal input on a grounded unbalanced BNC connector The frequency limited 20k 100kHz auxiliary channel input ona grounded unbalanced BNC connector The If modulation output for monitoring RDS external synchronisation or re broadcasting purpose BNC type The inverted wired RS232 DB9 female remote serial control port The parallel control port DB9 male type The RF antenna connector N type Note that The hot centre pin on the EXTERNAL BNC input is physically in parallel with the signal input pin 3 on the mono right channel XLR socket For this reason both connectors cannot be used at the same time On the left side of the panel it is located the mains supply IEC320 type outlet and an earth screw for system earthing in addition to the ground pin on mains socket On the same socket it is located the mains switch and the fuses Please note that the transmitter is usually factory pre set for 220 240 Vac nominal mains voltage If requested 110 120 Vac range must be internally set on the mains tranformer SIEL Sistemi elettronici Via Bari 26 20143 MILANO ITALY tel 39 2 89150150 fax 8136038 Email siel siel com PAGE 6 EXC105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 TECHNICAL SPECIFICATIONS 87 5 108 MHz Frequency range Modulatio
4. 0 0 0 M MONO PR OFF FM_100 0 MHz d VS2 Vs Vs 28V 412 5V 12 7V T 25 C 01 JAN 01 17 22 ELAPSED TIME SET PASSWORD LEV 1 EXEC SW RESET YES NO 21 SET DIR POWER 31 MAX REFL POWER AUTOCONTROL 34 MPX LIMIT LEVEL AUTOCONTROL 24 SET MPX GAIN SET AUX GAIN SET MODE PREENF 3 amp FREQ FREQUENCY MODE 29 AUTO POWER DOWN SET 23 00 06 00 P 50 23 CONF PASSWORD dee Hierarchical menu tree SIEL Sistemi elettronici Via Bari 26 20143 MILANO ITALY tel 39 2 89 150 150 fax 81 36 038 Email siel siel com PAGE 20 EXC105 TRANSMITTER SIEL Sistemi elettronici EXC105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 TOP FRONT amp REAR ASSEMBLY VIEW On the or 75 Unir O lock O laeni mm He aS Per sol3X3 e Via Bari 26 20143 MILANO ITALY tel 39 2 89 150 150 fax 8136038 Email siel siel com PAGE 37 EXC105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 EXC105 TRANSMITTER TOP FRONT amp REAR ASSEMBLY VIEW SIEL Sistemi elettronici On the or 75 Unir O lock O laeni mm He aS Per sol3X3 e Via Bari 26 20143 MILANO ITALY tel 39 2 89 150 150 fax 8136038 Email siel siel com PAGE 37
5. L Sistemi elettronici Via Bari 26 20143 MILANO ITALY tel 39 2 89150150 fax 8136038 Email siel siel com PAGE 4 amp A SISTEM EXC105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 TECHNICAL FEATURES FRONT PANEL COMMANDS AND SIGNALLING EXC105 DO tre or STAND BY losk SIEL MILAM ITALY L1 BW rey 1 0 Lael ae The EXC105 front panelis clean and easy to control The wide alphanumeric display and the control keyboard permit a simple self explanatory menu driven navigation through the various options Great care was taken in the design of the software to allow natural feeling with the controls to permit operation and programming in every respect of the apparatus without needing to extensively read the user manual The password management hides some functions and prevents tampering with the most critical options and data to unauthorised people The on stand by key do not power off the apparatus which is still locked on frequency and ready to transmit as soon the key is pushed or a remote command is sent Some leds signal at a glance proper functioning and warning states SIEL Sistemi elettronici ViaBari 26 20143 MILANO ITALY tel 39 2 89 150 150 fax 8136038 Email siel siel com PAGE 5 S SiS TEM EXCI105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 REAR PANEL CONNECTORS All transmitter inputs and outputs are allocated on the rear
6. STL s with the same internally processed high quality mpx signal The alphanumeric display permits easy and accurate metering adjustment and continuous monitoring of modulation levels power operation and internal parameters All these information may be externally available on the same RS232 I O port that may be used to remotely control the transmitter In addition to the serial I O some signals RF power On the air state Disable line are available on a parallel I O socket for easy interfacing with others analog controllers or supervisory systems A top quality stereo encoder may be factory installed as option and even retrofitted in the field in a second time requiring minimum technical skill The powerful internal software and monitoring functions recognise its presence and enable its functions The RF power amplifier employs a broadband design and has plenty of reserve the output power is feedback controlled for increased stability till higher than nominal level High reflected power is limited to prevent output stage degradation direct power is accordingly continuously reduced so as not to exceed the reflected power safety level A sturdy telecom grade high efficiency switch mode power supply permits operation in a very wide and noisy mains environment The temperature alarm circuitry reduce the output power in case of high internal or ambient temperature trying to continue to stay on the air in spite of the adverse conditions SIE
7. ampered with by unskilled personnel and its after sale service is available to customers for any technical problem Before proceeding to installation please carefully read at least the general installation part of this manual to gain confidence with the equipment The transmitters are very stable and changes to the internal pre setting other than frequency and few other options are not usually required but if they are once again they must be done by skilled personnel with proper instrumentation and service documentation Improperly tampering with the settings may harm the apparatus or jeopardize the guaranteed performance THIS EQUIPMENT COMPLIES WITH ALL RELEVANT EMI EMC AND SAFETY REQUIREMENTS ETSI EN300384 ETS300447 AND EN60215 STANDARDS NO INTERNAL ADJUSTMENT OR PRESETTING IS REQUIRED DURING NORMAL OPERATIONS THE APPARATUS SHALL BE PROPERLY EARTHED AND BE OPERATED WITH ALL THE COVERS CLOSED TO PREVENT ELECTRICAL HAZARDS AND COMPLY WITH EMC STANDARDS MAINS VOLTAGE MAY KILL SIEL Sistemi elettronici ViaBari 26 20143 MILANO ITALY tel 39 2 89 150 150 fax 8136038 Email siel siel com PAGE 3 sistem EXC105 USER AND MAINTENANCE MANUAL 1 0 01 02 GENERAL DESCRIPTION The EXC105 is a 100W rated direct synthesis FM modulated transmitter Being digitally controlled itis extensively on field programmable by front panel or remotely in every respect frequency power channel sensitivity p
8. els each with its own password A higher level permits to change the lower levels authorisations and passwords The password is composed by 4 alphanumeric characters including extended capital and lower case ones and several special symbols We suggest using a wide range of characters as the security level raises to increase the possible combinations No password is ever shown it is always masked by dummy characters as or Nevertheless it may be always changed with the higher level authorisation Here is the purpose of each level Level 1 Lower security level It is needed to access to most of the monitoring and control menu fields not permitting to alter or programming any operating parameter It is set to off state as default permitting to anybody to navigate freely through transmitter s monitoring menu information SIEL suggests leaving it in this state if a high privacy level is not needed If set to on it will show the default menu field 00 c r menu tree requiring password for any other information or pre set Failure to insert a correct password of any level will impede any other access to the commands for the time out length usually 3 minutes No change to the functioning mode is done in case of incorrect password input No information is available on the display regarding the transmitter functioning Level 2 Service level This password is needed for any functioning set up as frequency and power sensitivities cl
9. n FM 75 kHz peak dev 180kF3E mono 256kF3E stereo Synthesis step 10 100 kHz Frequency error lt 200 Hz Frequency drift lt 250 Hz over temperature 100 Hz year RF output power 10 100W Max allowable reflected power 10W RF harmonic products 67 dBc 72 dBc typ RF spurious products lt 85 dBc 95 dBc typ RF output impedance 50 ohm on N connector 3 5 412 5 dBm 75 kHz deviation Audio mpx input level Audio mpx input impedance 10 k ohm 600 ohm bal unbalanced select Common mode input rejection gt 50 dB gt 60 typ 20 15000 Hz Audio input connectors female XLR type Aux channel input level 12 5 43 5 dBm 47 5 kHz dev 24 8 dBm 2 kHz dev 10k ohm Aux channel input impedance Linear and aux input connectors BNC Mpx output level 0 10 dBm 75 kHz dev Preemphasis time constant 0 50 75 us 2 CHECK PROTECTION AND Block against emission on spurious frequencies Reflected power Modulation limiter High internal or external temperature Real time clock and date with battery back up SIEL Sistemi elettronici S N ratio mono 276 dB 86 typ 30 20000Hz gt 75 dB 81 typ CCIR gt 72 dB 77 typ 30 20000Hz gt 68 dB 72 typ CCIR Modulation distortion lt 0 05 0 0296 typ 75 kHz dev lt 0 2 lt 0 05 typ 150 kHz dev limiter threshold gt 150 kHz Stereo crosstalk lt 50 dB with external encoder lt 60 dB 100 5000 Hz
10. ng to the right may be impeded by the password permission while returning to left is always possible The enter key changes from scrolling to programming mode if allowed in the field Another push SIEL Sistemi elettronici Via Bari 26 20143 MILANO ITALY tel 39 2 89 150 150 fax 81 36 038 Email siel siel com PAGE 19 EXC105 USER AND MAINTENANCE MANUAL 1 0 01 02 on enter key will confirm the input data When in program mode the up and down keys will change the character while the left and right key will move the cursor on the field Pushing on the escape key will abort the input while repeated escape commands will reset the menu field to the default one 00 A local input time out will automatically escape the command mode resetting input data if this is not confirmed in 60 seconds after the last variation Few minutes of experiments will enable most users to gain confidence with control keys and menu and to be able to access all main features of the transmitter without any previous training Anyway it is impossible to discover hidden functions without the proper password permission X25 S W Vers 1 0 11 ENTER PASSWORD CODE 00 SIEL MILANO ITALY Vers 1 0 01 DIR POWER 25W REF POWER 0 0W 75KHz 7 1dB HHH O LEFT level 3 0dB RIGHT level 4 0dB ALIHHHHHHE O RHHHHHHHHEO J AUX HEHEHEHEH 11 0dB dAUX L R MPX 000 0 0 0
11. ock and date etc Its use is reserved to service technicians who need wide access to the transmitter presets and functions While the default factory state is off SIEL suggests changing the default state and password immediately at the first power on to prevent to unauthorised people to tamper with transmitter commands if the default word is known or the state is set to off Level 3 Highest security level It is always on by default and reset anyway to on after the display time out for security purpose Its knowledge is deserved only tovery fewpeople and must be immediately registered after setup and kept in a secure place there is no way to read it after you have setup and confirmed on the transmitter This password must be immediately changed at the first pre set of the apparatus if any SIEL Sistemi elettronici ViaBari 26 20143 MILANO ITALY tel 39 2 89150150 fax 8136038 Email siel siel com PAGE 18 stem EXC105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 unauthorised people tampers with it or you loose it there is no way to change it if you do notknow the correct word for security reasons and the apparatus may become unmanageable Gaining again access to the apparatus will require factory reprogramming or changing the internal CPU For practically any parameters that may require some setting in the field the 2nd level password is enough and may be used for any standard service requirement The main pu
12. rd E0868 ASEXCIOSAL power supply regulator assembly E0913 SIEL Sistemi elettronici Via Bari 26 20143 MILANO ITALY tel 39 2 89150150 fax 8136038 Email siel siel com S SiS TEM EXC105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 PAGE 2 sier TEM EXC105 USER AND MAINTENANCE MANUAL rev 1 0 01 02 EXC 105 87 5 108 MHz FM 100W TRANSMITTER INTRODUCTION The EXC105 series transmitters are the result of experience gained by SIEL during years of producing FM broadcast equipment transmitters stl and stereo encoders These transmitters were specifically designed to comply with the latest international standards and the requirements of advanced broadcasters meeting tighter specifications than usually required at an affordable cost Great care went into producing a Hi Fi quality modulated signal with low residual noise and distortion The RF signal is also free from spurious and harmonic components to a higher degree than required by CCIR European USA and most other national standards To obtain this outstanding performance SIEL strongly recommend to rely on qualified personnel to install and verify the equipment which makes up the radio station i e the transmitter the possible stl and power amplifier the corresponding antennas cables and connectors This will assure to achieve the best performance and stability in time To this aim SIEL especially recommend that their equipment should not be t
13. reemphasis functioning mode mono stereo external mpx clock and date and many other parameters without adjusting or substituting any part A powerful 3 levels password management permits a very high degree of security and privacy as may be required in different situations The apparatus requires little o no maintenance and its simple modular layout facilitates stage testing and servicing As imposed by various national standards these transmitters incorporate sophisticated low pass audio filters on mono and stereo channels and a sharp acting modulation limiter which is usually set at a peak deviation slightly higher than 75 kHz Its intervention may nevertheless be avoided ifrequired pre setting its threshold at a deviation higher than 150 kHz Output frequency is phase locked to temperature compensated crystal oscillator which ensures superior precision and stability A very low noise low distortion VCO produces a harmonic free spurious free signal A lock control circuit inhibits the presence of power on the output until the apparatus is on the right frequency when turning on To lower the noise threshold further the low frequency inputs are fitted with balanced input circuitry The input level is precisely adjustable over a broad range by means of a 0 5dB stepwise variable attenuators The transmitter has an auxiliary input specifically designed for RDS and SCA encoders A modulation output permits to control other transmitters or
14. rpose of the existence of the 3rd level is a security assurance for the user if he looses control on the lower password levels Only very few critical parameters like limiter permission or control require this password as in some countries this functions are not allowed to be freely chosen FACTORY DEFAULT PASSWORDS These are the factory default password Level 1 XXXX Level 2 YYYY Level 3 ZZZL For what previously said be sure to change at least the 3rd and possibly the 2nd level as soon as you receive and turn on the apparatus For security purpose the 3rd level password may be factory changed from the default value before the transmitter is shipped in consequence of a specific final customer request MENU AND COMMANDS DESCRIPTION The hierarchical tree of the menu is depicted in the following table with a small number near the left side of each field for easy reference In the following pages we will examine each menu field and option All of the first column fields require the first level password authorisation to be navigated Similarly practically all the second column fields require the second level authorisation as some in the third column The third level is required only by some functions in this last column Navigation through the menu fields is quite straightforward and natural with the direction key Up and down key vertically scroll the fields while the left and right key horizzontally scroll the menu Movi
Download Pdf Manuals
Related Search