1. Manuals
  2. Brands
  3. AE Techron Manuals
  4. Amplifier
  5. 7224
  6. Operator's manual

AE Techron 7224 Operator's Manual

Single-channel industrial amplifiers for demanding, high-power systems
Hide thumbs Also See for 7224:
Table of Contents

Advertisement

Quick Links

Download this manual
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

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 7224 and is the answer not in the manual?

Questions and answers

Related Manuals for AE Techron 7224

Summary of Contents for AE Techron 7224

  • Page 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...
  • Page 2 ORIGINAL COMMERCIAL PURCHASER we will give you an authorization to return the prod- ONLY of each NEW AE TECHRON INC. product, for a uct for service. All components must be shipped in a period of one (1) year from the date of purchase, by the...

  • Page 3: Declaration Of Conformity

    574-295-9495 Elkhart, IN 46516 lshank@aetechron.com This Declaration of Conformity is issued under the sole responsibility of AE Techron, Inc., and belongs to the following product: Equipment Type: Industrial Power Amplifiers Model Name: 7224 EMC Standards: EN 61326-1: 2013 – Electrical Equipment for Measurement, Control and Laboratory use —...

  • Page 4: Table Of Contents

    Contents 1 Introduction ............................6 1.1 Features ..........................6 2  Amplifier Unpacking and Installation ....................7 2.1 Safety First ..........................7 2.2  Unpacking ..........................7 2.3 Installation ..........................7 3 Connections and Startup .......................8 3.1  Other Operation Modes and Configurations................8 3.2  Connecting the Load ......................8 3.3  Connecting the Input Signal ....................9 3.4  Connecting the AC Supply ....................10 3.5 Start-up Procedure ......................4 ...
  • Page 5 List of Figures Figure 1.1 – 7224 & 7226 Front Panels....................6 Figure 3.1 – 7224/7226 Back Panel ....................8 Figure 3.2 – Closeup of the Output Terminal Resistor .................9 Figure 3.3 – Connecting the Load .......................9 Figure 3.4 – Closeup of SIM card ......................9 Figure 3.5 – Wiring for Unbalanced or Balanced Input Connector ............10 Figure 3.6 – Closeup of AC Mains Outlet ..................10 Figure 3.7 – Sample of Configurations Setting Label ................10 Figure 4.1 – Power Switch.........................12 Figure 4.2 – Gain Control ........................12 Figure 4.3 – Push Buttons .........................13 Figure 4.4 – Indicators ........................13 Figure 4.5 – Main Status Indicators ....................13 Figure 4.6 – Fault Status Indicators....................14 Figure 4.7 – Back Panel Controls and Connectors ................15 Figure 5.1 – Access Panel Screw Locations ..................16 Figure 5.2 – Main Board Location Inside Access Panel ..............17 Figure 5.3 – Master/Slave Setting .....................17 Figure 5.4 – Gain Trim Control ......................17 Figure 5.5 – Controlled-Voltage/Controlled-Current Mode Setting ............18 Figure 5.6 – Compensation Setting ....................18...

  • Page 6: Introduction

    System output of over 3,600 watts or over 200 trial applications and testing. The 7224 and 7226  amperes maximum is possible with multiple, amplifiers are built and tested to the most stringent  interconnected amplifiers. quality standards for long life and outstanding  Efficient design and light weight chassis materi- • als allow amplifier to occupy only 2U height,  performance. The AE Techron brand is known throughout the world for its robust precision ampli- and weigh only 41 lbs.  fiers as well as its product service and support. • Robust, linear power supply results in extreme- ly low noise; bi-level switch design limits heat  1.1 Features dissipation to output devices.

  • Page 7: Amplifier Unpacking And Installation

    7224 & 7226 OPERATOR’S MANUAL – SECTION 2 2 Amplifier Unpacking and Along with any additional accessories purchased  by the customer, all 7224/7226 amplifiers ship with  Installation the following: The 7224/7226 amplifiers are precision instru- • 7224 or 7226 Amplifier ments that can be dangerous if not handled prop- Toolkit (contains one #2 Phillips screwdriver  • erly. Lethal voltages are present in both the AC  and four rubber feet) input supply and the output of these amplifiers. For  • Power Cord this reason, safety should be your primary concern • Operator’s Manual and Quick Start sheet when you setup and operate this amplifier.

  • Page 8: Connections And Startup

    Amp Configuration Guide (available for down- output wiring and/or additional components.  load from aetechron.com) for information on Series  system configuration. 3.1.1 Controlled-Current Operation of a Stand-Alone Amplifier For Parallel operation in Controlled-Current If your application requires Controlled Current  mode, please contact AE Techron Technical operation, the amplifier first should be wired and  Support for assistance. tested in Controlled-Voltage mode to verify that the  amplifier and input signal are operating correctly.  3.2 Connecting the Load Once proper operation is confirmed, refer to the  3.2.1 Preparation and Cautions “Applications”...

  • Page 9: Connecting The Input Signal

    7224 & 7226 OPERATOR’S MANUAL – SECTION 3 Figure 3.2 – Closeup of the Output Terminal Resistor amplifier to any other model amplifier, power sup- Figure 3.3 – Connecting the Load ply, signal source, or other inappropriate load; fire  can result. can be connected to an external ground point such  NOTE: The 7224/7226 amplifier comes with a  as the rack chassis. See Figure 3.3. factory-installed 2.7-ohm, 2W, 5%, metal-oxide  resistor connecting the terminals marked “COM  3.3 Connecting the Input Signal and “CHASSIS GROUND” (see Figure 3.2). This  The signal is connected to the amplifier through a  resistor should NOT be removed except when the “SIM (Specialized Input Module) Card” located on  amplifier is being used as a Slave amplifier in a  the amplifier back panel (see Figure 3.4). The SIM  Series multi-amp system. WARNING: Removing card offers the choice of BNC or “WECO” terminal ...

  • Page 10: Connecting The Ac Supply

    7224 & 7226 OPERATOR’S MANUAL – SECTION 3 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 (–) pin on the terminal block  connector is floating, allowing the connector to be  used for Balanced input wiring. IMPORTANT: The Input Select switch can also function as a Ground Lift switch for the BNC Input connector. If circulating currents/ground loops/60-Hz Hum occur when using the BNC Input, move the Input Select switch to the right to lift the ground on the connector.

  • Page 11: Start-Up Procedure

    7224 & 7226 OPERATOR’S MANUAL – SECTION 3 3.5 Start-up Procedure 5. Adjust the level of your input signal source  1. Turn down the level of your signal source. 2. Turn down the gain control of the amplifier. to achieve the desired output level. 6. Turn up the Gain control on the amplifier  3. Depress the POWER switch to turn the  until the desired voltage or power level is  amplifier ON.  4. Wait for the yellow READY and green RUN  achieved. 7. Adjust the input signal level to achieve the  LEDs to illuminate. desired output level. Information subject to change 97-8004167 07-14-17...

  • Page 12: Amplifier Operation

    7224 & 7226 OPERATOR’S MANUAL – SECTION 4 4 Amplifier Operation 4.1.3 Push Buttons The 7224/7226 provides three front-panel soft- 4.1 Front-Panel Controls touch push buttons that control two basic operating  This section provides an overview of Front-Panel conditions: (1) Run condition (the high-voltage  controls and indicators found on the 7224/7226  transformers are energized and the unit will am- amplifier.  plify the input signal); and (2) Standby condition 4.1.1 Power Switch (the low-voltage transformer is energized but the  high-voltage transformers are not and the unit will  The Power Switch controls the AC mains power to the amplifier. Switch to the ON position (|) to turn ...

  • Page 13: Figure 4.3 - Push Buttons

    7224 & 7226 OPERATOR’S MANUAL – SECTION 4 Enable, Stop and Reset Buttons The following details the results when each of the  three Push Buttons are pressed on the amplifier  front panel. See Figure 4.3 for Push Button loca- tions. Enable – When the amplifier is in Standby/Stop  mode, pressing the Enable button will release the  Figure 4.3 – Push Buttons amplifier from Standby and place the amplifier in  Run mode. Pressing the Enable button will also re- lease the amplifier from some Standby conditions.  Stop – Pressing the Stop button will place the  amplifier in Standby/Stop mode (both Standby and  Stop LEDs will be lit). Reset – When the amplifier has been placed  Figure 4.4 – Indicators in Standby/Fault mode due to a fault condition,  pressing the Reset button will return the amplifier  fier has been configured for startup in Stop mode,  to Run mode if the condition causing the fault con- pressing the Reset button will place the amplifier ...

  • Page 14: Figure 4.6 - Fault Status Indicators

    7224 & 7226 OPERATOR’S MANUAL – SECTION 4 Front-Panel Indicators Figure 4.5 details the operational modes indicated 4.1.4 Main Status Indicators by the Main Status indicators. Four Main Status indicators are located on the am- NOTE: See the “Applications” section for main plifier’s front-panel (see Figure 4.4). These LEDs  status indicator interpretation when operating a  monitor the internal conditions of the amplifier and ...

  • Page 15: Back-Panel Controls And Connectors

    7224 & 7226 OPERATOR’S MANUAL – SECTION 4 4.1.5 Fault Status Indicators from the load to this 3-position terminal strip with #8 screws. It accepts up to #10 AWG wire.  Four Fault Status indicators are located on the amplifier front panel (see Figure 4.4). These LEDs  BNC Input Connector – This input option pro- monitor the internal conditions of the amplifier  vides a standard unbalanced input.

  • Page 16: Advanced Configuration

    7224 & 7226 OPERATOR’S MANUAL – SECTION 5 5 Advanced Configuration 5.1 Configuration Access Panel The 7224/7226 amplifier was designed to offer  The 7224/7226 amplifier contains an Access Panel  exceptional versatility in operation. You can choose  built into the top cover. Most configuration settings  from a range of field-configurable options, including: can be made through this Access Panel. For your  convenience, a #2 Phillips screwdriver is provided  • Operate as a stand-alone amplifier or as part of in your Toolkit for use in this procedure. a multiple-amplifier system. Operate with variable gain control or at a fixed  • IMPORTANT: Before removing the Access gain setting of 20.

  • Page 17: Figure 5.2 - Main Board Location Inside Access Panel

    Slave position (jumpers across bottom two pins of  each set). See Figure 5.3. For complete information on multi-amp system configuration and wiring, please consult the AE Techron Multi-Amp Configuration Guide avail- Figure 5.3 – Master/Slave Setting able for download from the AE Techron website at www.aetechron.com. 5.2.2 Fixed Gain/Variable Gain Setting The 7224/7226 amplifier ships with an enabled  Gain Control knob (located on the amplifier front  panel). To disable the Variable Gain control and set for a Fixed Gain of 20, locate and unplug ...

  • Page 18: Figure 5.5 - Controlled-Voltage/Controlled-Current Mode Setting

    7224 & 7226 OPERATOR’S MANUAL – SECTION 5 CAUTION In Controlled-Current Mode, the load is part of the ampli- 3. Never leave the load open. If you feel the load fier circuit, and the relationship of the load to the amplifier  must be fused, which could lead to a potential open circuit, please contact AE Techron Application Engi- is critical. For proper and safe operation in Controlled- Current mode, you must obverve the following guidelines:...

  • Page 19: Configuration Settings Located On The Power Supply Board

    7224 & 7226 OPERATOR’S MANUAL – SECTION 5 5.2.5 Run Mode/Stop Mode on Power-Up Setting The amplifier will power-up to Run Mode when jumper J11 is in the Left position (default setting).  To cause the amplifier to enter Stop Mode on power-up, place jumper J11 in the Right position. See Figure 5.7. Figure 5.7 – Run Mode/Stop Mode  on Power-Up Setting 5.2.6 Standby on Overload Setting When this latch is enabled, the amplifier will move ...

  • Page 20: Figure 5.9 - Accessing The Power Supply Board

    7224 & 7226 OPERATOR’S MANUAL – SECTION 5 Figure 5.10 – Location of Amplifier High-Voltage  Transformer Sockets Figure 5.9 – Accessing the Power Supply Board 5.3.3 Changing Bi-Level Power Supply Function The amplifier provides three Bi-Level switch set- tings:  Automatic, High, or Low. The user can  select between settings via a switch on the Power  Figure 5.11 – J3 and J7 Plug Locations for  Supply Board. High-Current Output To access and change the Bi-Level Power Switch,  follow these steps: 1. Locate the SIM Input Card on the right side of  the rear panel of the amplifier. 2. Using a #2 Phillips screwdriver (provided),  remove the 2 screws located 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. Figure 5.12 – J4 and J8 Plug Locations for  4. Locate Bi-Level Power Switch, S1, a black, ...

  • Page 21: Output Settings

    7224 & 7226 OPERATOR’S MANUAL – SECTION 5 5.3.4 Selecting the Best Voltage Poten- Use the following general guidelines to select the  tial and Bi-Level Power Switch Settings best combination of settings to fit your requirements: for Your Application LOAD The output of the amplifier will be determined by  OUTPUT Continuous Pulse Settings the combination of settings used for both Voltage  High  Potential and Bi-Level Power Switch. Voltage 16, 8 ohm 16, 8, 4 ohm 180 V Auto OUTPUT VOLTAGE...

  • Page 22: Applications

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 6 Applications AE Techron 7224/7226 amplifiers come with a  6.1 Remote Status and Control using SIM-BNC input module that also contains a fe- the SIM Interlock I/O Connector male, 25-pin D-Sub connector. This connector can  The procedures outlined in this section assume be used to provide remote control and monitoring  competence on the part of the reader in terms of of the amplifier. ...

  • Page 23: Figure 6.3 - Remote Status And Reset Schematic

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 6.1.2 Remote Amplifier Status and Reset Use a male, 25-pin D-Sub connector and high- The SIM Interlock I/O Connector can be used to  quality wire to build the circuit. Figure 6.3 sche- create a circuit to monitor remotely one or more matic details the circuit and components required  amplifier conditions, including Run status, Over- temperature, Overload and Overvoltage. The cir- for all status and reset functions. cuit can also be constructed to allow remote reset of the amplifier when it is forced to Standby due to ...

  • Page 24: Figure 6.4 - Remote Enable/Standby

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 Remote Signal of Run Condition Remote Signal of OverVoltage Condition Purpose: LED, when lit, signals Run state.  Purpose: LED, when lit, signals Overvoltage condition.  Method: Use a 6mA series resistor of 4.02K-ohm  Method: Use a 6mA series resistor of 4.02K-ohm  for LED or OPTO, tie Run (PIN 12) to –24V source  for LED or OPTO, tie OverVoltage Out (PIN 24) to  (PIN 13).  –24V source (PIN 13).  Signal Type: DC Signal Type: DC Level when Asserted: –24V Level when Asserted: –24V Level when Deasserted: 0V...

  • Page 25: Figure 6.5 - Remote Current Monitoring

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 chaining Interlock (PIN 4) across amps. Level when Deasserted: 10 to 15 V IMPORTANT: The amplifier must be configured for  When Interlock (PIN 4) is shorted to Digital Ground  (PIN 17), amplifier is placed in Standby mode.  Ready mode at startup (factory default) or the Run  When switch is open, amplifier is released to the  button must be pressed at the amplifier front panel  at startup. The Remote Enable/Standby circuit will  Run condition. Signal Type: DC not function if the Startup to Standby Latch has  been activated on the amplifier. Level when Asserted: 0 to 8 V 6.1.4 Remote Monitoring of Current Using the SIM-BNC Interlock connector located on  the back panel of the amplifier, you can remotely  monitor current output.

  • Page 26: Controlled Current Operation

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 6.2 Controlled Current Operation The procedures outlined in this section assume competence on the part of the reader in terms of amplifier systems, electronic components, and  good electronic safety and working practices. 6.2.1 Controlled-Voltage vs. Controlled- Current Modes of Operation AE Techron 7224/7226 amplifiers can be field-con- figured to operate as Voltage Amplifiers (Voltage- Figure 6.7 – Input to Output Comparison,  Controlled Voltage Source) or as Transconduc- Controlled-Voltage Operation tance Amplifiers (Voltage-Controlled Current ...

  • Page 27: Figure 6.9 - Factory-Installed Default Rc Network

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 default compensation setting will be sufficient  trolled Current (CC) mode of operation. When  for some applications, the compensation setting  operating the amplifier in Controlled Voltage (CV)  may also be adjusted in the field. The following  mode, compensation is not required. However,  section describes methods for determining and  when operating in Controlled Current (CC) mode,  setting proper compensation when operating in  the amplifier load becomes an integral part of the  Controlled-Current mode. system. In order to ensure system stability and to control available bandwidth, compensation via 6.2.3 Controlling Compensation for an RC network is required for CC operation. The  CC Operation following steps will allow you to compensate your  AE Techron 7224/7226 amplifiers can be config- amplifier for operation in CC mode safely and ef- ured for either Controlled Voltage (CV) or Con- fectively.
  • Page 28 7224 & 7226 OPERATOR’S MANUAL – SECTION 6 STEP 3: Determine if Default or Custom Compensation is Required. If your load inductance is between 200 microHen- If your load inductance falls outside of the mid- ries and 1 milliHenry, and your load resistance  range, or if your load resistance is greater than  5 ohms, then you must calculate your required  is less than 5 ohms, then you can likely use the default compensation provided by the amplifier’s  compensation. If, after calculating your required  factory-installed RC network. To select the factory- compensation, you determine that the default com- default compensation, please see STEP 4 below.

  • Page 29: Figure 6.10 - Custom Compensation Location

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 STEP 7: Optimizing the Compensation Values. If a change in compensation is necessary, an ad- Once an approximate Rc and Cc have been computed, these values will need to be evaluated. justment to the resistor component of the Compen- To do this, install components with the required  sation circuit is probably required.  values in the main board at locations R82 and C25 If the output current waveform is ringing, the circuit ...

  • Page 30: Multi-Amplifier Systems

    BNC T-connectors and BNC patch cables Series or Parallel amplifier systems can be config- for wiring parallel inputs through the BNC input  ured using the following accessories available from  connectors, and the output wiring for connecting  AE Techron:  system amplifiers to the load. The kits also include  SIM-OPTOC – The SIM-BNC-OPTOC Specialized  the wire(s) needed for wiring the parallel inputs  Input Module allows multiple 7224 or 7226 ampli- through the Removable Barrier Block (WECO)  fiers to be configured as a series output system to  connectors and the .input terminators required dur- increase the available output voltage to the load.  ing system setup. Parallel wiring kits are recom- The SIM-BNC-OPTOC kit also includes a BNC mended for all Parallel configurations.  connector safety cover.

  • Page 31: Accessory Recommendations By System Type

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 6.3.3 Accessory Recommendations by System Type Series Systems Parallel Systems 7224 or 7226 Two in Series: 7224 or 7226 Two in Parallel: (2) SIM-BNC-OPTOC input cards,  (2) 7224/7226 BALLAST RESISTOR kits,  (1) DB9M OPTOC cable (1) 7224/7226 2-AMP Parallel Wiring kit 7224 or 7226 Three in Series: 7224 or 7226 Three in Parallel: (3) SIM-BNC-OPTOC input cards, ...

  • Page 32: Figure 6.15 - Main Status Indicators For Multi-Amplifier Systems

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 operational status of the amplifier. When evaluated  on how to clear fault conditions and restore ampli- fier operation. along with the statuses of other amplifiers in the  system, the Main Status indicators can be used If the amplifier reporting the fault condition has  to determine the system status and the action been configured for startup in Stop mode, pressing  required to return the system to Run mode. See  the Reset button will place the amplifier in Stand- Figure 6.15. by/Stop mode. Press the Enable button to return  Fault Status Indicators for Multi-Amp the amplifier system to Run mode.

  • Page 33: Figure 6.16 - Fault Status Indicators For Multi-Amplifier Systems

    7224 & 7226 OPERATOR’S MANUAL – SECTION 6 nate when a fault condition occurs. All amplifiers in  mode by pressing the Reset button on the ampli- fier displaying the Fault status. Refer to the chart in  the system may be placed in Standby mode when a fault condition occurs, depending on the fault  Figure 6.16 to determine the fault condition being  condition and the configuration of the system. Typi- indicated and the action required to clear the fault  cally, the system can be released from Standby condition and return the system to Run mode. Figure 6.16 – Fault Status Indicators for Multi-Amplifier Systems...
  • Page 34 7224 & 7226 OPERATOR’S MANUAL – SECTION 6 One or More Amps in System Other Amps in System Action Needed to Clear Fault Main Status Fault Status Main Status Fault Status Condition and Re- Indicators Indicators Indicators Indicators State of Operation turn to Run Mode Over Temp status: To reset after an Over Each amplifier in the ...
  • Page 35 7224 & 7226 OPERATOR’S MANUAL – SECTION 6 6.3.5 Multi-Amp System Output Capabilities Two 7224/7226s in Series – High-Voltage Mode PEAK OUTPUT RMS OUTPUT 1 Hour, 1 Hour, 40 mSec Pulse, 5 Minutes, 5 Minutes, 20% Duty Cycle 100% Duty Cycle 100% Duty Cycle 100% Duty Cycle 100% Duty Cycle Ohms Volts Amps Volts Amps Volts Amps Volts...
  • Page 36 7224 & 7226 OPERATOR’S MANUAL – SECTION 6 Three 7224/7226s in Series – High-Current Mode PEAK OUTPUT RMS OUTPUT 1 Hour, 1 Hour, 40 mSec Pulse, 5 Minutes, 5 Minutes, 20% Duty Cycle 100% Duty Cycle 100% Duty Cycle 100% Duty Cycle 100% Duty Cycle Ohms Volts Amps Volts Amps Volts Amps Volts Amps Volts Amps Watts 61.5 20.5...
  • Page 37 7224 & 7226 OPERATOR’S MANUAL – SECTION 6 Three Paralleled 7224/7226s – Mid-Level Mode PEAK OUTPUT RMS OUTPUT 1 Hour, 1 Hour, 40 mSec Pulse, 5 Minutes, 5 Minutes, 20% Duty Cycle 100% Duty Cycle 100% Duty Cycle 100% Duty Cycle 100% Duty Cycle Ohms Volts Amps Volts Amps Volts Amps Volts Amps Volts Amps Watts 1.34 49.2 49.2...

  • Page 38: Amplifier Signal Flow

    7224 & 7226 OPERATOR’S MANUAL – SECTION 7 7 Amplifier Signal Flow 7.2 AC Mains Power Power to the amplifier is connected through a 20- 7.1 Input Signals amp IEC-type inlet connector with an integral EMI  The input signal is routed from the SIM (Specialized  filter network on the back panel.  AC mains power is  Input Module) on the back panel to the Main board.   first routed through the front panel switch/breaker,  From there, the signal is amplified through low-noise  then to the Power Supply board. From there, the AC operational amplifier gain stages, compensation  mains are distributed to the main power transform- networks, and current limiting/ODEP and then final ...

  • Page 39: Maintenance

    7224 & 7226 OPERATOR’S MANUAL – SECTION 8 8.1 Clean Amplifier Filter and Grills 8 Maintenance 8.1.1 Tools Required Simple maintenance can be performed by the user The recommended equipment and supplies  to help keep the equipment operational. The fol- needed to perform the functions required for this  lowing routine maintenance is designed to prevent  problems before they occur. See the “Trouble- task are described below. shooting” section, for recommendations for •...

  • Page 40: Troubleshooting

    • cables for breaks or other physical damage. DANGER If there is any physical damage to the amplifier,  Uninsulated terminals with AC Mains please return it to AE Techron or an AE Techron potential are exposed when the panel is Service Center for repair. removed. Do not proceed until AC Mains have been disconnected.

  • Page 41: No Signal

    7224 & 7226 OPERATOR’S MANUAL – SECTION 9 9.3 No Signal Missing Output signal may be caused by one of  the following: 1. Master/Slave Jumpers are set to the Slave  (down) position. The amplifier should only be  configured for Slave mode if it is in a multi-ampli- fier system; otherwise it should be set for Master  mode. See the “Advanced Configuration” sec- tion in this manual for more information. 2. Signal is not connected to any inputs on the  SIM card. See the “Amplifier Setup” section in this manual for more information.

  • Page 42: Amplifier Overheats (Over Temp Fault Condition)

    If the Fault condi- tion does not clear after one reset, STOP. the air filters periodically with a mild detergent  Contact AE Techron Support for further and water. assistance. repeated resetting can dam- age the amplifier. 2. Visually inspect fans to assure correct opera- tion while amplifier is On (I).
  • Page 43 7224 & 7226 OPERATOR’S MANUAL – SECTION 9 tom fees, duties, and/or taxes). Please review the  packaging or a suitable alternative. Replacement  Warranty at the beginning of this manual for more  packaging materials can be purchased for a nomi- information. nal fee. All service units must be given Return Authoriza- Please send all service units to the following ad- tion by AE Techron, Inc. before being returned.  dress and be sure to include your Return Authori- Return Authorizations can be requested on our  zation Number on the box. website or by contacting our Customer Service  AE Techron, Inc. Department. Attn: Service Department / RMA# 2507 Warren Street Please take extra care when packaging your am- Elkhart, IN 46516 plifier for repair. It should be returned in its original ...

  • Page 44: Specifications

    7224 & 7226 OPERATOR’S MANUAL – SECTION 10 10 Specifications Display, Control, Status, I/O Performance Testing was done at 100 Hz. Continuous DC power levels are  Front Panel LED Displays indicate: lower. See DC Specifications chart. Ready, Standby, Fault, Over Temp, Over Voltage,  Overload Small Signal Frequency Response: DC - 300 kHz, +0.0 to -1.0 dB Soft Touch Switches for: Slew Rate: Run, Stop, Reset 7224: 75 V/µSec Gain Control, when enabled: 7226: 100 V/µSec Voltage gain adjustable from 20 to 0  Residual Noise: On/Off Breaker 10 Hz to 300 kHz: 950 µV (0.95 mV)
  • Page 45 7224 & 7226 OPERATOR’S MANUAL – SECTION 10 Airflow: 180CFM Dimensions: 19” x 22.75” x 3.5” (48.3 cm x 57.8 cm x 8.9 cm) Protection Over/Under Voltage: ± 10% from specified supply voltage amplifier is  forced to Standby Over Current: Breaker protection on both main power and low volt- age supplies Over Temperature: Separate Output transistor, heat sink, and transform- DC Specifications – er temperature monitoring and protection High-Current Mode 1 Hour...

  • Page 46: Figure 10.1 - 7224 Voltage Potential Vs. Frequency

    7224 & 7226 OPERATOR’S MANUAL – SECTION 10 Figure 10.1 – 7224 Voltage Potential vs. Frequency Figure 10.2 – 7226 Voltage Potential vs. Frequency Figure 10.4 – 7224 Noise vs. Frequency Figure 10.3 – 7224 & 7226 Frequency Response Figure 10.6 – 7224 Thermal Performance Figure 10.5 – 7224 Continuous Power vs. Frequency Information subject to change 97-8004167 07-14-17...

  • Page 47: Figure 10.7 - 7224 Dc Current Over Timeat 13.5 Vdc

    7224 & 7226 OPERATOR’S MANUAL – SECTION 10 Figure 10.8 – 7224 DC Current Over Time Figure 10.7 – 7224 DC Current Over Time Comparison with 4-ohm Load at 13.5 VDC Figure 10.9 – 7224 DO 160 Section 18.2  AC Power Processing Information subject to change 97-8004167 07-14-17...
  • Page 48 0V (not ready) to -15V (ready), with  an OPTOC BNC card the signal will  go from 0V (not ready) to -1.2Vdc  (ready) I MON + Differential Current  Output current produced per voltage  Current Monitoring: Connect a voltage meter to mon- AC or 7212/7224: Monitor + 5A/V    itor the output current being produced by the amplifier.  detect. 7548/7796: For unbalanced, for each 1V detected, current output is 20A/V 5A (7212/7224) or 20A (7548/7796). None No connection Not currently used.
  • Page 49 Standby of all amps in a multi-amplifier system. Input Monitor (OEM  Used to monitor the input signal  OEM modification only; normally no connection. OEM App only) from an OEM DAC card; this is the  actual input signal. I MON –  Differential Current  Inverted I MON+ (PIN 6). Output  Current Monitoring: Connect a voltage meter to mon- AC or 7212/7224: (alt.: OEM  Monitor – ; 5A/V    current produced per voltage detect. itor the output current being produced by the amplifier.  App) (- Input Monitor,  For each 1V detected, current output is 5A (7212/7224)  7548/7796: OEM only) 20A/V or 20A (7548/7796). I SUM1–...
  • Page 50 Pin # Function Description Signal Level when Level when Notes Applications Type Asserted Deasserted I SUM2– Multiple Amplifier  Planned for use in multiple amplifier  Currently not used. Summing, Ampli- configurations - paralleled and run- fier 2 ning Controlled Current Mode I SUM3– Multiple Amplifier  Planned for use in multiple amplifier  Currently not used. Summing, Ampli- configurations - paralleled and run- fier 3 ning Controlled Current Mode OverLoad Out –24V Remote Signal of Overload Condition: LED, when lit,  Overload output When amp is normal, this pin is (amplifier output is ...

This manual is also suitable for:

7226

Table of Contents