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NX100 Pre-installation Manual

Electrical requirements

Issue 3.2 2017-03-31

Page 5-9

Station reference ground

See

.

Install a station reference ground that provides a continuous, low impedance path

to the earth.

Connect the transmitter cabinet's designated safety ground point, the shield of the coaxial feedline,
and the ground connection of the power source directly to the surge protector, using a 10 cm (4 in.)
copper strap. Connect the surge protector to the station reference ground using a copper strap that is
at least 10 cm (4 inches) wide.

Ac power enters the transmitter cabinet through the right side of the top panel (see

).

Ensure that the transmitter site’s grounding rods are adequate. For more information about electrical
grounding protection, see Nautel’s

Recommendations for Transmitter Site Preparation Manual.

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Содержание NX100

Страница 1: ...NX100 Transmitter Pre installation Manual Document NHB NX100 PRE Issue 3 2 2017 03 31 Status Standard...

Страница 2: ......

Страница 3: ...Fax 1 207 947 3693 Customer Service 24 hour support 1 877 628 8353 Canada USA only 1 902 823 5100 International Email support nautel com Web www nautel com The comparisons and other information provi...

Страница 4: ......

Страница 5: ...azards xvi RF Hazards xvi Toxic Hazards xvi Other Hazards xvi Safety Precautions xvii Personal Safety xvii Site Safety xviii Equipment Safety xx Declaration of conformity xxiii Description 1 1 Capabil...

Страница 6: ...9 Cooling requirements 4 1 Air flow in the transmitter 4 1 Cooling 4 3 Heating 4 8 Electrical requirements 5 1 Electrical power 5 1 Station reference ground 5 9 RF output requirements 6 1 RF output co...

Страница 7: ...9 Analog outputs 8 12 Web based control 8 13 Parts and tools 9 1 Contacting Nautel 9 1 Parts supplied by Nautel 9 1 Parts not supplied by Nautel 9 2 Parts ordering 9 2 Module replacement program 9 2...

Страница 8: ...NX100 Pre installation Manual Page 1 viii Issue 3 2 2017 03 31...

Страница 9: ...ting Section 7 Planning Audio Inputs added stereo broadcast NOTE to AES EBU paragraph added DRM Simulcast paragraph to Other Considerations sub section Section 8 Planning Control Monitor Connections a...

Страница 10: ...NX100 Pre installation Manual Page x Issue 3 2 2017 03 31...

Страница 11: ...the manual provide reference information regarding physical cooling electrical and antenna requirements Technical support Nautel offers technical support to customers over the Internet and by telephon...

Страница 12: ...r NX100 Operating and Maintenance Manual NX100 OPS MAINT Provides instructions for operating maintaining and troubleshooting an NX100 transmitter It also provides reference information needed when per...

Страница 13: ...PDF format You can use the documentation online or print the sections that you need When using online documents Click on the blue hyperlinks to jump to a related section or to get additional informati...

Страница 14: ...ion Manual Page xiv Issue 3 2 2017 03 31 When using printed documents To find keywords go to the Index section at the end of the manual To find a specific term go to the List of Terms section near the...

Страница 15: ...serious danger is present DANGER HIGH VOLTAGE Indicates dangerous voltage in excess of 72 volts capable of causing a fatal electrical shock are present on or near parts bearing this label Mount the tr...

Страница 16: ...ardous during normal device operation and under normal device failure conditions These devices are specifically identified with BeO in the Description column of the Troubleshooting Manual s parts list...

Страница 17: ...f training courses covering the basic fundamentals of RF systems and transmitters and the operation and maintenance of the transmitter For more information about available courses and schedules go to...

Страница 18: ...el does not offer first aid training since the hazards associated with high voltage and RF energy are not specific to the transmitter However the customer should provide first aid training to all pers...

Страница 19: ...and their antenna systems create intense radio frequency fields at the transmitter site particularly near the feedline antenna and tower At some sites these fields may cause biological effects includ...

Страница 20: ...es during servicing Train all service personnel to ground themselves to bleed off any static charge before opening the transmitter or touching any exposed components Provide a grounding wand or known...

Страница 21: ...t place the transmitter under water pipes drains or sprinklers Keep any equipment that generates heat like the transmitter away from flammable materials like ceiling panels cubicle dividers and curtai...

Страница 22: ...NX100 Pre installation Manual Page xxii Issue 3 2 2017 03 31...

Страница 23: ...elevant provisions of Directive 1999 5 EC The subject equipment is intended for use in the following Member States identified by ISO 3166 2 letter code The use of this equipment requires a license in...

Страница 24: ...NX100 Pre installation Manual Page xxiv Issue 3 2 2017 03 31...

Страница 25: ...eset power levels using the NX100 graphic user interface AUI The power output can also be scheduled to correspond with authorized daytime power levels Modulation The NX100 is capable of double sideban...

Страница 26: ...ation of agents and traps Discrete Wiring routing multiconductor signaling cable from the transmitter to a remote control board Nautel Phone Home configurable through the remote AUI monitors transmitt...

Страница 27: ...tions available for the transmitter See Section 4 Cooling requirements on page 4 1 for more information GPS Sync Card A GPS sync PWB can be purchased that is capable of driving a 3 3 V or 5 V GPS ante...

Страница 28: ...NX100 Pre installation Manual Description Page 1 4 Issue 3 2 2017 03 31...

Страница 29: ...er that is if the site is already set up for a transmitter go to Step 7 If you are upgrading a site verify the feedline the lightning protection systems and the ac power service Refer to Nautel s Reco...

Страница 30: ...tem on page 6 4 10 Arrange manpower or lifting equipment to move and assemble the transmitter You may want to use a forklift to move either the transmitter or its power transformer into place for inst...

Страница 31: ...ter perform the following tasks 1 Ensure that the RF feedline that will connect the transmitter and the antenna system has a suitably rated coaxial cable 2 Connect the shield of the antenna feedline c...

Страница 32: ...NX100 Pre installation Manual Pre installation tasks Page 2 4 Issue 3 2 2017 03 31...

Страница 33: ...sts physical site requirements This section includes the following topics Dimensions Clearances see page 3 2 Weight see page 3 9 Dimensions The NX100 main transmitter excluding power transformer cabin...

Страница 34: ...ce Allow enough room for someone to comfortably work at the side of the transmitter for possible maintenance activities such as removing the side panel replacing a fuse removing combiner pipe hardware...

Страница 35: ...ts Issue 3 2 2017 03 31 Page 3 3 Figure 3 2 NX100 top view Ac Power FRONT Cable Entry RF Output Control Monitor Cable Entry Dimensions in Exhaust Duct see dimensions below Intake Duct see dimensions b...

Страница 36: ...NX100 Pre installation Manual Physical requirements Page 3 4 Issue 3 2 2017 03 31 Figure 3 3 NX100 top view with door swing Front Dimensions in inches mm Exhaust...

Страница 37: ...NX100 Pre installation Manual Physical requirements Issue 3 2 2017 03 31 Page 3 5 Figure 3 4 NX100 front view Dimensions in inches mm...

Страница 38: ...NX100 Pre installation Manual Physical requirements Page 3 6 Issue 3 2 2017 03 31 Figure 3 5 NX100 side and rear views Dimensions in inches mm Station Reference Ground Stud Side Rear...

Страница 39: ...017 03 31 Page 3 7 Figure 3 6 NX100 External Power Transformer Cabinet Dimensions in inches mm Note Dimensions are based on the standard 380 V transformer primary voltage Size may vary based on the pr...

Страница 40: ...ue 3 2 2017 03 31 Figure 3 7 Ac power entrance Note Dimensions are based on the standard 380 V transformer primary voltage Size may vary based on the primary voltage contact Nautel for custom primary...

Страница 41: ...connect switch weights are based on the standard 380 V transformer primary voltage Weight may vary based on the primary voltage contact Nautel for custom primary voltage options Table 3 1 Weight of co...

Страница 42: ...NX100 Pre installation Manual Physical requirements Page 3 10 Issue 3 2 2017 03 31...

Страница 43: ...to aid each configuration in ensuring effective cooling Open air configuration In an open air configuration see Figure 4 1 cooling air is drawn through air filters in the back of the transmitter Air...

Страница 44: ...itter and exhausts in the same manner as the open air cooling option In this configuration cooling air must be ducted to the intake grill and the exhaust air must be ducted away from the transmitter C...

Страница 45: ...mitter is not drawn back into the transmitter s cool air intake Cooling plant requirements In an NX100 system heat is generated by both the transmitter and the transformer and each may be cooled separ...

Страница 46: ...equirements for the Power Transformer Note Although normal program audio is generally equivalent to 50 75 continuous tone modulation Nautel recommends you design the cooling system for 100 continuous...

Страница 47: ...leave a gap between the top of the transmitter and the bottom of the exhaust hood as shown in Figure 4 3 Figure 4 3 Gap for Exhaust Air This gap will serve two purposes 1 For air conditioned closed lo...

Страница 48: ...s dust and sand buildup within the equipment An example of this type of system is shown in Figure 4 4 which shows a combined NX400 800 kW transmitter system with each transmitter having a dedicated sp...

Страница 49: ...NX100 Pre installation Manual Cooling requirements Issue 3 2 2017 03 31 Page 4 7 Figure 4 5 Split System Air Conditioner Examples...

Страница 50: ...xchanging the air in the room as shown in Figure 4 6 Figure 4 6 Forced ventilation of the power transformer cabinet Forced ventilation of the power transformer is necessary for ambient temperatures gr...

Страница 51: ...at the preset carrier level for voltage variations within the specified range provided the correct transformer tap is chosen Power consumption When operating at 100 kW with 100 modulation by a contin...

Страница 52: ...r 380 V Transformer 340 V ac 440 V ac NOTE Line currents shown are based on operation at nameplate power 100 continuous modulation and 10 low ac line Ac wiring must also be rated to handle inrush curr...

Страница 53: ...containing suitably rated varistors is available from Nautel Install the surge protector panel close to the station reference ground and as close as possible to the ac service entrance The ac power so...

Страница 54: ...ditionally the main cabinet contains a single phase 2 kW logic supply that receives its ac input from one of the three phases and X0 Note It is highly recommended that you purchase suitable wiring har...

Страница 55: ...e Cable tray on page 5 7 flexible high strand allowing easy bend radius for drops from tray into transmitter racks For the neutral and ground connections you require a 1 0 AWG tray rated wire availabl...

Страница 56: ...alled Cytolok Nautel Part JA93 535 MCM wires and Nautel Part JA92 1 0 AWG wires These cable connectors offer various advantages over other connector types including no compression crimp tool required...

Страница 57: ...entry into transmitter cabinets cable tray is suspended from ceiling and supports wire weight fuse assembly on side of transformer cabinet pre fitted to accept 4 x 18 cable tray each transmitter cabin...

Страница 58: ...Lg WeatherResist Black 30 HT59 PLT4S MO Cable Tray elbow 90 Deg 6 Vert Outside 2 HCT26 LCA43 6 12 V090 R12 Cable Tray Coupling 4 Deep 4 HCT20 LCA43 C Wire 1 0 Tray Rated 90C 600V Green 30 ft WT01 3BAL...

Страница 59: ...the ground connection of the power source directly to the surge protector using a 10 cm 4 in copper strap Connect the surge protector to the station reference ground using a copper strap that is at le...

Страница 60: ...NX100 Pre installation Manual Electrical requirements Page 5 10 Issue 3 2 2017 03 31...

Страница 61: ...17 03 31 Page 5 11 Figure 5 3 NX100 Standard Cable Tray System Power Transformer T1 Transmitter 3 1 Denotes item is cut to length on site Install Cable Cleat Kit every 1 m along horizontal rungs 8 9 1...

Страница 62: ...es see the Nautel Site Protection Manual RF output connector See RF Output on page 1 3 for the connector configuration options for the transmitter Antenna feed cable Maximum voltage The maximum voltag...

Страница 63: ...ince the dielectric constant of the solid is higher than the gas air the high voltage stress is concentrated on the air It is very important to minimize the junction s stress gradient and to avoid tri...

Страница 64: ...rona which can lead to a breakdown Feedline testing Test the RF transmission system from the transmitter flange to the antenna before putting the transmitter into service This is very important especi...

Страница 65: ...rrier frequency impedance is 50 ohms However overall system performance degrades as the VSWR increases Advances in digital modulation schemes like IBOC and DRM systems require better performance from...

Страница 66: ...ssed properly An audio processor will adjust the dynamic range loudness frequency response and symmetry parameters to suit the transmission system Carefully control the peak levels For monaural applic...

Страница 67: ...es the LVDS signals I and Q to the exciter in CMOS format The digital audio data from the LAN Exporter must be connected via an Ethernet cable to ETHERNET connector J1 on the exgine PWB The transmitte...

Страница 68: ...itude of between 2 2 V and 8 0 V sine wave or square wave be spectrally pure since spurs may pass through to the transmitter output Audio Player via USB There is provision to configure the transmitter...

Страница 69: ...tallation Manual Planning audio inputs Page 7 4 Issue 3 2 2017 03 31 Figure 7 1 Audio Connections AUDIO CABLE ENTRY A1 CONTROL INTERFACE PWB 10 MHz SYNC 1 PPS SYNC I Q AES EBU ANALOG AES EBU BALANCED...

Страница 70: ...AUI that allows you to locally control all transmitter functions and set parameters and schedules The remote AUI allows you to adjust any parameter and view any status available in the local AUI via a...

Страница 71: ...4 and TB1 3 when the interlock circuit is intact and it is safe to enable the RF output It must present an open circuit when any external interlock switch is activated and the RF output requires inhi...

Страница 72: ...NX100 Pre installation Manual Planning control monitor connections Issue 3 2 2017 03 31 Page 8 3 Figure 8 1 External Interlock and PDM Inhibit Circuits...

Страница 73: ...er between the 15V terminal TB1 5 and the terminal TB1 6 and connect your external PDM inhibit circuit between the GND terminal TB1 8 and the terminal TB1 7 The external PDM inhibit circuit must prese...

Страница 74: ...e transmitter Table 8 1 Remote Inputs Selection Options Remote Input Function RF On Same as pressing the AUI RF On button Tells the transmitter to provide RF power if possible Provide an active pulse...

Страница 75: ...07 8 J8 7 08 9 J8 6 09 10 J8 4 10 11 J8 3 11 12 J9 8 12 13 J9 7 13 14 J9 6 14 15 J9 4 15 16 J9 3 16 RF On Off RF On Off Reset Inc Dec Rf Power Inc Dec Rf Power Main Exciter Main Exciter Auto Changeov...

Страница 76: ...r s 15 V as the current source for a control function s opto coupler configure the circuits on the control interface PWB for single ended inputs see Figure 8 2 The INT EXT 3 pin header E3 must have it...

Страница 77: ...event that the associated AUI control is not available See Table 8 2 on page 8 6 to determine the switch associated with each of the remote inputs Below each switch is a blank white label to allow fo...

Страница 78: ...tor for a logic false condition If the remote output is configured as Logic 1 Active see the NX100 Operations and Maintenance Manual then the remote output s switching circuit will provide an open col...

Страница 79: ...disabled manual Main Exciter Status Indicates which exciter is selected as main Logic true if exciter A is main Logic false if exciter B is main Indicates the status of the mode scheduler function Log...

Страница 80: ...g Jumper 1 J3 8 DS1 E1 2 J3 7 DS2 E2 3 J3 6 DS3 E3 4 J3 4 DS4 E4 5 J3 3 DS5 E5 6 J3 2 DS6 E6 7 J4 8 DS7 E7 8 J4 7 DS8 E8 9 J4 6 DS9 E9 10 J4 4 DS10 E10 11 J4 3 DS11 E11 12 J5 8 DS12 E12 13 J5 7 DS13 E...

Страница 81: ...al monitoring Analog output connections Analog outputs 1 through 4 connect to terminals of connector J6 on the remote interface PWB A11A4 See Table 8 5 to determine the output terminal associated with...

Страница 82: ...s the web server operating on the transmitter TCP port 3501 used for regular AUI to transmitter communication Also used to perform a security check to allow the remote web browser to access AUI conten...

Страница 83: ...ovided by iReasoning to customized solutions such as those provided by Burk Nautel does not provide SNMP client software Access to SNMP control monitoring is through the ETHERNET USB connector J3A on...

Страница 84: ...ransmitter s performance When this data is used by Nautel Customer Service staff for diagnostic purposes it cuts down on repair time and gets you back on air faster Nautel Customer Service technicians...

Страница 85: ...NX100 Pre installation Manual Planning control monitor connections Page 8 16 Issue 3 2 2017 03 31...

Страница 86: ...see page 9 2 Tools for installation see page 9 3 Contacting Nautel You can reach Nautel to order parts or for technical assistance at Nautel Limited 10089 Peggy s Cove Road Hackett s Cove NS Canada B3...

Страница 87: ...clamps All electrical power cables including conduit terminating devices and conduit clamps A plastic sheet or suitable equivalent used to cover the top of the transmitter during instal lation to prev...

Страница 88: ...ter installation include the following Digital voltmeter Philips screwdrivers sizes 1 and 2 Pliers Wire cutters Slot screwdriver 5 mm 3 16 inch Metric and Imperial socket set up to 24 mm 15 16 inch Me...

Страница 89: ...NX100 Pre installation Manual Parts and tools Page 9 4 Issue 3 2 2017 03 31...

Страница 90: ...mmissioning service Nautel offers an installation and commissioning service to customers who want assistance with configuring and commissioning a new Nautel transmitter After the customer completes th...

Страница 91: ...on analyzer Modulation monitor Frequency counter 50 test load rated for 150 of carrier power VSWR less than 1 1 1 Nautel s service representative takes full responsibility for commissioning the transm...

Страница 92: ...rograms earn one SBE credit for each completed day of training Nautel s comprehensive selection of training programs will help a customer s staff develop valuable skill sets reduce downtime and make t...

Страница 93: ...ranty provides excellent coverage and satisfies most customers needs However if you want extended coverage Nautel offers one and two year Extended Warranty Plans to cover electrical and mechanical rep...

Страница 94: ...smitter is still covered by its original four year warranty period you can contact Nautel by telephone fax mail or email with the model number serial number and date of purchase Once you purchase a Na...

Страница 95: ...NX100 Pre installation Manual Pre installation assistance Page 10 6 Issue 3 2 2017 03 31...

Страница 96: ...ansmitter circuitry Cutback A reduction in RF output power caused by a total power limit fault or the occurrence of three shutbacks within a five second period DAC Digital to Analog Converter DAM Dyna...

Страница 97: ...M and Exciter B IBOC The NX100 allows you to pre program multiple presets Shutback A complete loss of RF output power caused by any one of a variety of faults including high VSWR low B voltage high RF...

Страница 98: ......

Страница 99: ...6NAUTEL 662 8835 Canada USA only or Phone 1 902 823 3900 or Fax 1 902 823 3183 Nautel Inc 201 Target Industrial Circle Bangor Maine USA 04401 Phone 1 207 947 8200 Fax 1 207 947 3693 Customer Service...

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