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Contents

1 Introduction ....................................................................................................................................6

1.1 Features ................................................................................................................................

2 Amplifier Unpacking and Installation

..............................................................................................7

2.1 Safety First ............................................................................................................................

2.2 Unpacking

.............................................................................................................................

2.3 Installation .............................................................................................................................

3 Connections and Startup ...............................................................................................................8

3.1 Other Operation Modes and Configurations

..........................................................................

3.2 Connecting the Load

.............................................................................................................

3.3 Connecting the Input Signal

..................................................................................................

3.4 Connecting the AC Supply

..................................................................................................

3.5 Start-up Procedure ..............................................................................................................

4 Amplifier Operation

......................................................................................................................12

4.1 Front-Panel Controls ...........................................................................................................

4.2 Back-Panel Controls and Connectors .................................................................................

5 Advanced Configuration

...............................................................................................................16

5.1 Configuration Access Panel

................................................................................................

5.2 Configuration Settings Located on the Main Board

.............................................................

5.3 Configuration Settings Located on the Power Supply Board

..............................................

6 Applications ..................................................................................................................................22

6.1 Remote Status and Control using the SIM Interlock I/O Connector

....................................

6.2 Controlled Current Operation ..............................................................................................

6.3 Multi-amplifier Systems

.......................................................................................................

7 Amplifier Signal Flow

....................................................................................................................38

7.1 Input Signals

........................................................................................................................

7.2 AC Mains Power ..................................................................................................................

8 Maintenance ................................................................................................................................39

8.1 Clean Amplifier Filter and Grills

...........................................................................................

9 Troubleshooting

...........................................................................................................................40

9.1 Introduction & Precautions ..................................................................................................

9.2 Visual Inspection .................................................................................................................

9.3 No Signal

.............................................................................................................................

9.4 No LEDs Illuminated or No Fans

.........................................................................................

9.5 OverVoltage LED Lit

............................................................................................................

9.6 Standby LED Remains Illuminated

......................................................................................

9.7 Amplifier Overheats (Over Temp Fault Condition)

...............................................................

9.8 Fault LED is Illuminated

......................................................................................................

9.9 Factory Service ...................................................................................................................

10 Specifications

.............................................................................................................................44

Содержание 7224

Страница 1: ...7224 7226 Operator s Manual Single Channel Industrial Amplifiers for Demanding High Power Systems 574 295 9495 www AETechron com 2507 Warren Street Elkhart IN 46516 ...

Страница 2: ...treet Elkhart IN 46516 U S A 574 295 9495 www aetechron com SUMMARY OF WARRANTY AE TECHRON INC of Elkhart Indiana Warrantor war rants to you the ORIGINAL COMMERCIAL PURCHASER ONLY of each NEW AE TECHRON INC product for a period of one 1 year from the date of purchase by the original purchaser warranty period that the product is free of defects in materials or workmanship and will meet or exceed al...

Страница 3: ...ld immunity test EN 61000 4 4 2004 A1 2010 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Electrical fast transient burst immunity test EN 61000 4 5 2006 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Surge immunity test EN 61000 4 6 2009 Electromagnetic compatibility EMC Part 4 Testing and measurement techniques Immunity to conducted distu...

Страница 4: ...ings Located on the Main Board 16 5 3 Configuration Settings Located on the Power Supply Board 19 6 Applications 22 6 1 Remote Status and Control using the SIM Interlock I O Connector 22 6 2 Controlled Current Operation 26 6 3 Multi amplifier Systems 30 7 Amplifier Signal Flow 38 7 1 Input Signals 38 7 2 AC Mains Power 38 8 Maintenance 39 8 1 Clean Amplifier Filter and Grills 39 9 Troubleshooting ...

Страница 5: ...atus and Control Pinouts 22 Figure 6 2 Remote Run Standby Monitor 22 Figure 6 3 Remote Status and Reset Schematic 23 Figure 6 4 Remote Enable Standby 24 Figure 6 5 Remote Current Monitoring 25 Figure 6 6 Remote Current Monitoring Alternate Method 25 Figure 6 7 Input to Output Comparison Controlled Voltage Operation 26 Figure 6 8 Input to Output Comparison Controlled Current Operation 26 Figure 6 9...

Страница 6: ...e power amplification from DC to 300 kHz They feature Small signal bandwidth of DC to 300 kHz Continuous output of over 900 watts RMS at 4 ohms 40 mSec pulses of up to 52 amperes peak into a 0 5 ohm load System output of over 3 600 watts or over 200 amperes maximum is possible with multiple interconnected amplifiers Efficient design and light weight chassis materi als allow amplifier to occupy onl...

Страница 7: ...r coating can be scratched when placed on other equipment or on a bench top especially when there is dirt present To protect the finish a set of rubber feet is included in the toolkit that can be installed on the bottom of the amplifier Allow ample space on the sides and especially the back of the amplifier for heated air to escape The amplifier should be mounted in a rack that is adequately venti...

Страница 8: ... current each amplifier should first be wired and tested individually in Controlled Voltage mode to ensure proper operation To configure two or more amplifiers for Series or Parallel operation in Controlled Voltage mode refer to the Multi Amp Configuration Guide available for download from aetechron com For Series or Parallel operation in Controlled Voltage mode refer to the Applications section o...

Страница 9: ...d when connecting to the output terminals Connect the load across the terminals marked OUTPUT positive and COM negative ground The third terminal CHASSIS GROUND Figure 3 2 Closeup of the Output Terminal Resistor Figure 3 4 Closeup of SIM card can be connected to an external ground point such as the rack chassis See Figure 3 3 3 3 Connecting the Input Signal The signal is connected to the amplifier...

Страница 10: ...g the Interlock I O Connector located on the SIM card 3 4 Connecting the AC Supply The power cord connects to a standard 20 amp 3 pin IEC type male connector on the back panel see Figure 3 6 Make sure the Breaker Switch on the front panel is switched to the OFF O position Make sure the power cord is inserted and seated fully into the IEC connector by moving it slightly back and forth and up and do...

Страница 11: ...ntrol of the amplifier 3 Depress the POWER switch to turn the amplifier ON 4 Wait for the yellow READY and green RUN LEDs to illuminate 5 Adjust the level of your input signal source to achieve the desired output level 6 Turn up the Gain control on the amplifier until the desired voltage or power level is achieved 7 Adjust the input signal level to achieve the desired output level ...

Страница 12: ...enter the Run condition on power up To change the factory default setting and configure the amplifier to power up in Standby Stop mode please see the Advanced Configuration section The amplifier will enter one of three Standby modes under the following conditions Remote Standby mode Ready and Standby LEDs lit The amplifier is functioning properly and all Fault Status modes are clear but the unit h...

Страница 13: ...mplifier s high voltage trans formers are energized and the unit will amplify the input signal Run mode is initiated by 1 the Enable push button or 2 when the amplifier powers up in Run mode factory default See the Advanced Configuration section for more information N A Run Ready Standby Stop Remote Standby mode Standby mode indi cates that the amplifier is functioning properly and all Fault Statu...

Страница 14: ...er will be placed in Standby mode when the Over Load indica tor lights To remedy the Over Load fault during operation turn down the level of the input signal until the Over Load indicator turns off To clear an Over Load fault condition when the amplifier is forced to Standby turn down the level of the input signal then push the Reset button Run Ready Standby Stop Fault Over Load Over Temp Over Vol...

Страница 15: ...3 pin IEC type male connector Output Terminal Strip Connect output lines from the load to this 3 position terminal strip with 8 screws It accepts up to 10 AWG wire BNC Input Connector This input option pro vides a standard unbalanced input Input Selector Switch When in the LEFT position the unbalanced BNC input connector is enabled When in the RIGHT position both unbal anced BNC and balanced Phoen...

Страница 16: ...ins an Access Panel built into the top cover Most configuration settings can be made through this Access Panel For your convenience a 2 Phillips screwdriver is provided in your Toolkit for use in this procedure IMPORTANT Before removing the Access Panel make sure the amplifier is turned off for at least 3 5 minutes and the AC mains are disconnected 1 Locate the Access Panel as shown in Figure 5 1 ...

Страница 17: ... control and set for a Fixed Gain of 20 locate and unplug the red connector from jumper J10 Then place a jumper on the left two pins at that location See Figure 5 4 5 2 1 Master Slave Setting To enable the amplifier for use as a single amplifier or as the Master amplifier in a multi amplifier system set jumpers P1 and P2 in the Master posi tion jumpers across top two pins of each set The Master se...

Страница 18: ...jumper J5 in the Up position to select CC1 network Place jumper J5 in the Down position to select CC2 network See Figure 5 6 For more information on Controlled Current operation see the Applications section of this manual In Controlled Current Mode the load is part of the ampli fier circuit and the relationship of the load to the amplifier is critical For proper and safe operation in Controlled Cu...

Страница 19: ...d on the Interlock I O Connector Once reset the amplifier will return to Run mode To enable Stand by mode on Over Load place the jumper across the two pins labeled J13 See Figure 5 8 5 3 Configuration Settings Located on the Power Supply Board The following custom settings can be made via plug in connectors located on the Power Supply Board Amplifier Voltage Potential setting high current or high ...

Страница 20: ... at the edges of the SIM card 3 Keeping the ribbon cable attached remove the SIM card from the amplifier until it is completely clear from the card bay 4 Locate Bi Level Power Switch S1 a black three position switch at the rear of the card bay See Figure 5 13 5 Move Black switch to desired setting If neces sary use a pointed non metallic object such as a pen to help in moving the switch a Automati...

Страница 21: ...ntial and Bi Level Power Switch OUTPUT VOLTAGE BI LEVEL SWITCH SETTING VOLTAGE POTENTIAL SETTING High Current 90V High Voltage 180V AUTO 45 90 90 180 HIGH 90 180 LOW 45 90 Use the following general guidelines to select the best combination of settings to fit your requirements OUTPUT LOAD Settings Continuous Pulse High Voltage 16 8 ohm 16 8 4 ohm 180 V Auto Mid Level 4 2 ohm 2 1 ohm 90 V Auto High ...

Страница 22: ...nitor Figure 6 1 maps the pins used for these applications For a detailed chart of all DB 25 pinouts see Appendix 1 Figure 6 1 Remote Status and Control Pinouts Figure 6 2 Remote Run Standby Monitor 6 1 1 Remote Run Standby Status Monitor Using the SIM BNC Interlock connector located on the back panel of the amplifier you can remotely monitor the Run Standby status of the amplifier Remote Run Stan...

Страница 23: ...hen Asserted 24V Level when Deasserted 0V Note When amp is normal this pin is pulled to 24V through a 47 5K ohm resistor when amp is in OverTemp state transistor Q37 turns on and sources chassis ground as an output Do not ex ceed 20 milliamps An OverTemp condition will force the amp to Standby The amplifier will automatically move to Run when temperature cools to operating levels Figure 6 3 Remote...

Страница 24: ... ohm for LED or OPTO tie OverVoltage Out PIN 24 to 24V source PIN 13 Signal Type DC Level when Asserted 24V Level when Deasserted 0V Note When amp is normal this pin is pulled to 24V through a 47 5K ohm resistor when amp is in Overvoltage state transistor Q29 turns on and sources chassis ground as an output Do not exceed 20 milliamps Reset from Standby Purpose Switch when thrown returns amp to Run...

Страница 25: ...nterlock connector located on the back panel of the amplifier you can remotely monitor current output Remote Monitoring of Current Output Purpose Use a voltage meter to monitor output current Method Connect a voltage meter to monitor the output current being produced by the ampli fier Connect across PIN 6 I MON and PIN 10 Sampled Common See Figure 6 5 Signal Type DC Level 5A V Remote Monitoring of...

Страница 26: ...ers Voltage Controlled Voltage Source or as Transconduc tance Amplifiers Voltage Controlled Current Source The mode selection is made via a jumper setting located on the amplifier main board See the Advanced Configuration section for more information When configured as a Controlled Voltage source voltage amplifier the amplifier will provide an output voltage that is constant and proportional to th...

Страница 27: ... Network STEP 2 Determine Required Compensation When operating an amplifier in Controlled Cur rent mode the load becomes an integral part of the system In order to determine the required compensation for your load begin by consulting the following table to determine the approximate compensation capacitance C required based on the inductance of your load Load Inductance L 200 µH 200 µH 1 mH 1 mH Co...

Страница 28: ...ate the compensation requirements for your custom RC network and install the network on your amplifier main board before operating the amplifier in CC mode If desired the following values of the components contained in the default RC network can be used with the formulas provided in STEP 6 below to verify the suitability of the default compensation for your uses Pins Jumped 1 and 2 UP Compensation...

Страница 29: ...r Increase or decrease resistance values in increments of 10 Capacitor Incrementally decrease capacitor val ues by a factor of 2 or 3 Figure 6 13 Square Wave Showing an Increase in R is Required Figure 6 14 Square Wave Showing a Decrease in C is Required STEP 7 Optimizing the Compensation Values If the output current waveform is rounded the circuit is overdamped You have too little gain and should...

Страница 30: ...ers to be configured as a series output system to increase the available output voltage to the load The SIM BNC OPTOC kit also includes a BNC connector safety cover The SIM BNC OPTOC module is required for all Series configurations and should be used in con junction with the DB9M CABLE see below DB9M CABLE The DB9M OPTOC CABLE is a high voltage Interlock cable that provides superior insulation for...

Страница 31: ...ed on an amplifier front panel in a multi amp system Enable In multi amp systems that have been configured to start up in Run mode factory de fault setting when an amplifier is powered on the amplifier will be placed in Remote Standby mode Ready and Standby LEDs lit and remain in Remote Standby mode until all amplifiers in the system have been powered on The system will automatically proceed to Ru...

Страница 32: ...eady Standby Stop Remote Standby Condition All of the amplifiers in the system are being held in Standby mode by an external condition In Remote Standby mode the amplifiers low voltage transformers are energized but the high voltage trans formers are not If the amplifiers remain in Remote Standby mode the system is being held in Standby by remote control through the SIM Interlock I O connec tor Op...

Страница 33: ...as occurred in the amplifier displaying the Fault sta tus and the system has been placed in Standby mode The Fault indicator will light under two condi tions 1 High frequency oscillation is causing high shoot through current or 2 An output transistor has shorted causing the output fault condition This fault condition can not be cleared using the front panel Reset button See the Trouble shooting se...

Страница 34: ...ault has occurred make sure the ampli fier fans in all amplifiers are running and then remove the input signal from the system Allow the fans to run for about 5 minutes Then push and hold the Reset but ton on any amplifier dis playing the Over Temp status until the Standby LED turns off then release the Reset button to return the system to Run mode Please see the Troubleshooting section for inform...

Страница 35: ...eries High Current Mode PEAK OUTPUT RMS OUTPUT 40 mSec Pulse 20 Duty Cycle 5 Minutes 100 Duty Cycle 1 Hour 100 Duty Cycle 5 Minutes 100 Duty Cycle 1 Hour 100 Duty Cycle Ohms Volts Amps Volts Amps Volts Amps Volts Amps Volts Amps Watts 2 58 29 58 29 41 20 5 41 20 5 841 1 5 52 34 52 34 37 24 37 24 888 1 46 45 46 45 33 31 8 33 31 8 1049 Three 7224 7226s in Series High Voltage Mode PEAK OUTPUT RMS OUT...

Страница 36: ... Pulse 20 Duty Cycle 5 Minutes 100 Duty Cycle 1 Hour 100 Duty Cycle 5 Minutes 100 Duty Cycle 1 Hour 100 Duty Cycle Ohms Volts Amps Volts Amps Volts Amps Volts Amps Volts Amps Watts 2 144 18 69 32 8 69 32 8 49 23 2 49 23 2 1136 1 122 30 57 54 4 57 54 4 40 38 5 40 38 5 1538 0 5 94 47 43 79 2 21 42 30 4 14 9 14 8 29 7 439 0 25 52 52 Two Paralleled 7224 7226s High Current Mode PEAK OUTPUT RMS OUTPUT 4...

Страница 37: ...OUTPUT 40 mSec Pulse 20 Duty Cycle 5 Minutes 100 Duty Cycle 1 Hour 100 Duty Cycle 5 Minutes 100 Duty Cycle 1 Hour 100 Duty Cycle Ohms Volts Amps Volts Amps Volts Amps Volts Amps Volts Amps Watts 4 158 39 2 158 39 2 158 39 2 112 27 7 112 27 7 3104 2 154 76 136 65 2 136 65 2 96 46 1 96 46 1 4425 1 124 124 108 102 8 61 58 76 72 7 43 41 1763 0 5 98 196 Four Paralleled 7224 7226s Mid Level Mode PEAK OU...

Страница 38: ...t limiting circuits and special junction temperature simulation circuits using thermal feedback from the main heat sinks on the Output board Figure 7 1 Board Level Functional Block Diagram 7 2 AC Mains Power Power to the amplifier is connected through a 20 amp IEC type inlet connector with an integral EMI filter network on the back panel AC mains power is first routed through the front panel switc...

Страница 39: ...ed for this task are described below Vacuum cleaner Damp cloth use water only or a mild soap diluted in water To ensure adequate cooling and maximum ef ficiency of the internal cooling fans the amplifier s front and rear grills should be cleaned periodically To clean the amplifier grills and filter complete the following steps 1 Turn completely down counter clockwise all level controls and turn th...

Страница 40: ... Visual Inspection Before attempting to troubleshoot the amplifier while it is operating please take time to complete a visual inspection of the internal components of the amplifier 1 To perform a Visual Inspection first turn the Breaker Switch to the Off O position 2 Disconnect the AC mains plug from the amplifier 3 Wait three to five minutes for the Power Sup ply capacitors to discharge You can ...

Страница 41: ...d inspect Replace if necessary with same type fuse T1 6A L 250V 9 5 OverVoltage LED Lit The amplifier will protect itself from AC mains volt age that is 10 above the voltage indicated on the back panel If the AC mains voltage is more than 10 above the operating voltage reduce the AC mains voltage to the proper level When the line voltage condition is corrected the amplifier will au tomatically res...

Страница 42: ...ase of defective wiring or switches the OverTemp pulse may be too brief to observe 9 7 3 Resetting After OverTemp When the amplifier has cooled enough to eliminate the OverTemp condition it should automatically return to Run mode If the amplifier fails to return to Run mode make sure fans are running then remove the input signal from the amplifier Allow the fans to run for five minutes and then pu...

Страница 43: ...uthorizations can be requested on our website or by contacting our Customer Service Department Please take extra care when packaging your am plifier for repair It should be returned in its original packaging or a suitable alternative Replacement packaging materials can be purchased for a nomi nal fee Please send all service units to the following ad dress and be sure to include your Return Authori...

Страница 44: ...ifferential Common Mode Rejection 58 dB with 5 V input Display Control Status I O Front Panel LED Displays indicate Ready Standby Fault Over Temp Over Voltage Overload Soft Touch Switches for Run Stop Reset Gain Control when enabled Voltage gain adjustable from 20 to 0 On Off Breaker Back Panel Power Connection 25 Amp IEC with retention latch Signal Output Three position terminal strip OUTPUT COM ...

Страница 45: ...16 136 16 96 11 5 96 11 5 1104 4 124 31 108 25 7 61 14 5 76 18 2 43 10 3 443 2 98 49 AC Specifications Mid Level Mode PEAK OUTPUT RMS OUTPUT 40 mSec Pulse 20 Duty Cycle 5 Minutes 100 Duty Cycle 1 Hour 100 Duty Cycle 5 Minutes 100 Duty Cycle 1 Hour 100 Duty Cycle Ohms Volts Amps Volts Amps Volts Amps Volts Amps Volts Amps Watts 4 72 18 69 16 4 69 16 4 49 12 49 11 6 568 2 61 30 57 26 2 57 26 2 40 19...

Страница 46: ...NUAL SECTION 10 46 Figure 10 3 7224 7226 Frequency Response Figure 10 1 7224 Voltage Potential vs Frequency Figure 10 2 7226 Voltage Potential vs Frequency Figure 10 5 7224 Continuous Power vs Frequency Figure 10 6 7224 Thermal Performance Figure 10 4 7224 Noise vs Frequency ...

Страница 47: ... subject to change 47 7224 7226 OPERATOR S MANUAL SECTION 10 Figure 10 9 7224 DO 160 Section 18 2 AC Power Processing Figure 10 7 7224 DC Current Over Time at 13 5 VDC Figure 10 8 7224 DC Current Over Time Comparison with 4 ohm Load ...

Страница 48: ...dby Short PIN 4 of amplifier to Digital Ground PIN 17 using dry contact switch or optocoupler When closed places amplifier in Standby Multi amplifier Systems Simultaneous Enable or Disable of amplifiers Daisy chain Interlock PIN4 across amps if sharing the same Sampled Common power connections Optocoupler must be used for multi amps in series 5 Amp Ready Ready output of amplifier DC 0V 14V Normall...

Страница 49: ... series amplifiers will not need current reporting on the High side amp since its current will be same as Master 15 1 IN Differential Slave Input AC or DC Up to 200V peak 0V Only used in multiple amplifier con figurations Series mode Can accept output of PIN 1 Amplifier Output OR PIN 2 Sampled Common from Master device when in Slave mode 16 24V 24V Power Output DC 24V dc 30 mA max Used in status r...

Страница 50: ... a 6mA series resistor of 4 7K ohm for LED or OPTO tie to 24V source PIN 13 24 OverVoltage Out Overvoltage output High AC line volt age DC 24V 0V When amp is normal this pin is pulled to 24V through a 47 5K ohm resistor when amp is in Overvoltage state this pin is grounded Do not exceed 6 milliamps Remote Signal of Overvoltage Condition LED when lit signals Overvoltage condition Use a 6mA series r...

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