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97-2105006_4-2-15

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41

2105 OPERATOR’S MANUAL –

SECTION 9

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-

zation Number on the box.

AE Techron, Inc.

Attn: Service Department / RMA#

2507 Warren Street

Elkhart, IN 46516

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Summary of Contents for 2105

Page 1: ...2105 Operator s Manual Gradient Amplifier 574 295 9495 www aetechron com 2507 Warren Street Elkhart IN 46516 ...

Page 2: ...reet 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 all...

Page 3: ...radio frequency electromagnetic field 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 tec...

Page 4: ...ings Located on the Main Board 18 5 3 Configuration Settings Located on the Power Supply Board 20 6 Applications 23 6 1 Controlled Current Operation 23 6 2 Remote Status and Control using the SIM Interlock I O Connector 27 6 3 Multi amplifier Systems 31 7 Amplifier Signal Flow 36 7 1 Input Signals 36 7 2 AC Mains Power 36 8 Maintenance 37 8 1 Clean Amplifier Filter and Grills 37 9 Troubleshooting ...

Page 5: ...ng 20 Figure 5 8 Standby Mode on Over Load Setting 20 Figure 5 9 Accessing the Power Supply Board 21 Figure 5 10 Location of Amplifier High Voltage Transformer Sockets 21 Figure 5 11 J3 and J7 Plug Locations for High Current Output 21 Figure 5 12 J4 and J8 Plug Locations for High Voltage Output 21 Figure 5 13 Bi Level Power Switch Location 22 Figure 6 1 Input to Output Comparison Controlled Voltag...

Page 6: ...of 50 amperes peak 150 volts 4 quadrant linear design Blanking feature lowers the noise floor on the amplifier by shutting down the output stage This action occurs in less than 10 µs Current mode response DC 5 kHz compen sation dependent Voltage mode response DC 20 kHz at rated power Efficient design and light weight chassis materi als allow amplifier to occupy only 2U height and weigh only 41 lbs...

Page 7: ...e 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 ventilated and not s...

Page 8: ...oxide resis tor connecting the terminals marked COM and CHASSIS GROUND see Figure 3 1 This resistor should NOT be removed except when the amplifier is being used as a Slave amplifier in a Series multi amp system WARNING Removing this resistor can cause dangerous output and or damage to the load 3 2 2 Connecting the Outputs Connection to the output of the amplifier is to a 3 position terminal strip...

Page 9: ...g pin on each input connector to the amplifier ground through a 4 7 ohm resistor see Figure 3 4 When the Input Select switch is in the LEFT position the shield on the BNC connector and the inverting pin on the terminal block con nector are tied to the amplifier ground allowing the connectors to be used for Unbalanced input wiring When the Input Select switch is in the RIGHT position the inverting ...

Page 10: ...information 3 5 Start up Procedure 3 5 1 Voltage Mode Operation Perform the following steps to startup and operate your amplifier in Controlled Voltage 1 Turn down the level of your signal source 2 Turn down the gain control 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 sourc...

Page 11: ...h Ready and Run LEDs will be lit When the amplifier is placed in Run mode the amplifier will amplify the input signal If an amplifier is disabled using a Remote Standby application the amplifier will be placed in Ready mode both Ready and Standby LEDs will be lit To return the amplifier to Run mode release the Standby condition using the remote switch See the Applications section of this manual fo...

Page 12: ... A Run Ready Standby Stop Standby mode Standby mode indicates that the am plifier is functioning properly and all Fault Status modes are clear but it is being held in Standby by an external condition As configured from the factory Run mode on startup the amplifier will enter Standby mode briefly after powering up and then will move automatically into Run mode In Standby mode the amplifier s low vo...

Page 13: ...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...

Page 14: ...e See the Applications section of this manual for more information on remote ampli fier operation Run Ready Standby Stop Run Ready Standby Stop System Not Ready If one or more of the amplifiers has no LEDs lit the amplifier has no power or has not been turned on and the other amplifiers in the system will be held in Standby mode In Standby mode the amplifier s low voltage transformer is energized ...

Page 15: ... has been configured to be forced to Stand by on Overload the system will be placed in Standby mode when the Fault indicator lights To remedy the Overload fault during operation turn down the level of the input signal until the Overload indicator turns off To clear an Overload fault condition when the amplifier is forced to Standby turn down the level of the input signal then push the Reset button...

Page 16: ...Ground Lift switch for the BNC input connector Terminal Block Input Connector This input op tion provides a balanced input It can also be used as an unbalanced input Interlock Connector This 25 pin D sub connec tor is used for interlocking and combining functions in a multi amp system It can also be used for re mote control and monitoring applications see the Applications section for more informat...

Page 17: ...s to your amplifier s configuration please follow the instructions con tained in this chapter 5 1 Configuration Access Panel The 2105amplifier contains 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 Pane...

Page 18: ...r or Slave Setting To enable the 2105 amplifier for use as a single amplifier or as the Master amplifier in a multi ampli fier system set jumpers P1 and P2 in the Master position jumpers across top two pins of each set To enable the 2105 amplifier for use as a Slave amplifier in a multi amplifier system set jumpers P1 and P2 in the Slave position jumpers across bottom two pins of each set See Figu...

Page 19: ...age to the amplifier or load CAUTION 5 2 3 Controlled Voltage or Controlled Current Setting To allow the 2105 amplifier s output voltage to be controlled by its input voltage signal CV mode place Jumper J4 in the RIGHT position right pair of pins To allow the 2105 amplifier s output cur rent to be controlled by its input voltage signal CC mode place Jumper J4 in the LEFT position left pair of pins...

Page 20: ...ode until the Reset switch on the front panel is pushed or a Reset signal is received on the Interlock I O Connector Once reset the amplifier will return to Ready Run operational Mode To enable Standby Mode on Overload 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 co...

Page 21: ...the Configuration Access Panel The Power Supply Board is located to the right of the Main Board as shown in Figure 5 9 Figure 5 9 Accessing the Power Supply Board Figure 5 10 Location of Amplifier High Voltage Transformer Sockets Figure 5 11 J3 and J7 Plug Locations for High Current Output Figure 5 12 J4 and J8 Plug Locations for High Voltage Output 5 3 3 Changing Amplifier Voltage Potential The 2...

Page 22: ... 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 the Black switch to desired setting If necessary use a pointed non metallic object such as a pen to help in moving the switch a Automatic Left b Low Middle c High Right Figure 5 13 Bi Level Power Switch Location 5 3 5 Selecting the Best Voltag...

Page 23: ...source transconductance amplifier the amplifier will provide an output current that is con stant and proportional to the control input volt age If the load s impedance changes the amplifier will seek to maintain this transconductance ratio of input voltage to output current by increasing or decreasing the voltage it produces as long as it is within the amplifier s ability to create the required vo...

Page 24: ...for some applications the compensation setting may also be adjusted in the field The following section describes methods for determining and setting proper compensation when operating in Controlled Current mode 6 1 3 Controlling Compensation for CC Operation AE Techron 2105 amplifiers can be configured for either Controlled Voltage CV or Controlled Cur rent CC mode of operation When operating the ...

Page 25: ...ed in STEP 6 below to verify the suitability of the default compensation for your uses Pins Jumped 1 and 2 UP Compensation Resistor R63 68 Kohms Compensation Capacitor C16 0 047 µF Parallel Capacitor C11 47 pF STEP 6 Installing an RC Network for Custom Compensation If the default RC network does not provide suit able compensation for your intended load you will need to install a custom RC network ...

Page 26: ...veform Figure 6 6 Square Wave Showing a Decrease in R is Required Figure 6 7 Square Wave Showing an Increase in R is Required Figure 6 8 Square Wave Showing an Increase in C is Required If a change in compensation is necessary an ad justment to the resistor component of the Compen sation circuit is probably required If the output current waveform is ringing the circuit is underdamped You have too ...

Page 27: ...y If the parallel capacitor is used it will usually decrease the value of resistance needed In multiple amplifier systems expect to decrease the value of R63 in series systems by 1 2 6 2 Remote Status and Control using the SIM Interlock I O Connector The procedures outlined in this section assume competence on the part of the reader in terms of amplifier systems electronic components and good elec...

Page 28: ...Kohm for LED or OPTO tie OverTemp Out PIN 11 to 24V source PIN 13 Signal Type DC Level when Asserted 24V Figure 6 10 Remote Status and Reset Schematic 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 w...

Page 29: ... sources chassis ground as an output Do not exceed 20 milliamps Reset from Standby Purpose Switch when thrown returns amp to Run condition after Over temperature or Overload conditions Method Use a dry contact switch voltage regula tor MC7915 and two 0 01 50V capacitors wire the circuit as shown above Assert 15V for at least 100 ms to clear the error condition Signal Type DC Level when Asserted 15...

Page 30: ...gital Ground PIN 17 the amplifier is placed in Standby mode When switch is open the amplifier is released to the Run condition Signal Type DC Level when Asserted 0 to 8 V Level when Deasserted 10 to 15 V IMPORTANT The amplifier must be configured for Ready mode at startup factory default or the Run button must be pressed at the amplifier front panel at startup The Remote Enable Standby circuit wil...

Page 31: ...ows multiple 2100 Series ampli fiers to be configured as a series output system to increase the available output voltage to the load Figure 6 14 Remote Current Monitoring Alternate Method Remote Monitoring of Current Output Alternate Method Purpose Use a voltage meter to monitor output current when output is not balanced Method Connect a voltage meter to monitor the output current being produced b...

Page 32: ...include the DB 25 Interlock cable for system communication BNC T connectors and BNC patch cables for wiring parallel inputs through the BNC input connectors and the output wiring for connecting system ampli fiers to the load The kits also include the wire s needed for wiring the parallel inputs through the Removable Barrier Block WECO connectors and the input terminators required during system set...

Page 33: ... 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 2105s in Series High Voltage Mode PEAK OUTPUT RMS OUTPUT 40 mSec Pulse 20 Duty Cycle 5...

Page 34: ... 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 2105s High Current Mode PEAK OUTPUT RMS OUTPUT 40 mSec Puls...

Page 35: ... 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 2105s Mid Level Mode PEAK OUTPUT RMS OU...

Page 36: ...imiting 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 switch b...

Page 37: ...r 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 the amp...

Page 38: ...ual 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 ampli fier 3 Wait three to five minutes for the Power Sup ply capacitors to discharge You can ver...

Page 39: ... Con figuration 3 Locate Fuse F1 see Figure 9 2 Remove fuse and 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 voltag...

Page 40: ...g check the follow ing 1 The application s power requirements fall within the specifications of the amplifier See the Specifications section 2 Faulty output connections and load 3 Undesired DC offset at the Output and Input signal If the amplifier chronically overheats with suitable power load conditions then the amplifier may not be receiving adequate airflow To check for ad equate airflow procee...

Page 41: ...ir 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 zation Number on the box AE Techron Inc Attn Service Department RMA 2507 Warren Street Elkhart IN 46516 ...

Page 42: ...000 Ω Voltage Mode typical 28 mOhm in series with 1 µH Load Current Mode 500 µH 100 mΩ Adaptable Range 5 µH to 2 5 H 0 01 Ω to 20 Ω Current Mode Response 3 dB at 10 kHz compensation dependent Current Settling Time Ramp 0 A to 50 A or 50 to 0 A 20 µs to within 1 0 A or 1 35 µs to within 200 mA 0 2 Total Harmonic Distortion Current Mode Less than 0 1 Load 500 µH 100 mΩ Noise Floor when Blanking circ...

Page 43: ...d then on to reset Connectors back panel Power Connection 25 amp IEC with retention latch Signal Output Three terminal barrier strip OUT PUT COM CHASSIS GROUND resistor installed between COM and CHASSIS GROUND terminals is a 2 7 ohm 2W 5 metal oxide resistor Signal Input User selectable unbalanced BNC or balanced Barrier Strip Interlock I O Connection 25 pin D connector pro vides for remote monito...

Page 44: ...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 Normally reserved for OPTOC use not recommended for normal customer use Line ha...

Page 45: ...s 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 reporting applications See OverTemp PIN 11 Run PIN 12 Overload PIN 23 and Over Vo...

Page 46: ...ervoltage output High AC line voltage 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 re sistor of 4 7K ohm for LED or OPTO tie to 24V source PIN 13 25 Reset Reset DC 15V 0V Tie to PIN ...

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