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eigenbau:regler:pidmareike:start [2021/11/03 16:20] – [Test Protocol] mgangnuseigenbau:regler:pidmareike:start [2022/08/04 08:42] (current) mquensen
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 __**Connectors**__ __**Connectors**__
-| Connector  | Purpose                                 | Description                                                                                                                  | +| Connector  | Purpose                                 | Description                                                                                                                  |  
-| CONN1      | SMA signal input                        |                                                                                                                              | +| CONN1      | SMA signal input                        |                                                                                                                              |  
-| CONN2      | SUB D9 signal input                      It is supposed to be connected to a current transducer.   The pin configuration fits a LEM IT 200-S Ultrastab.              | +| CONN2      | SUB D9 signal input                      It is supposed to be connected to a current transducer.   The pin configuration fits a LEM IT 200-S Ultrastab.              |  
-| CONN3      | SMA setpoint signal                                                                                                                                                  | +| CONN3      | SMA setpoint signal                                                                                                                                                  |  
-| CONN4      | SMA monitor signal                      | gives the input signal                                                                                                       +| CONN4      | SMA monitor signal                      | gives the input signal or the input to the current transduver                                                                |  
-| CONN5      | -                                                                                                                                                                    | +| CONN5      | -                                                                                                                                                                    |  
-| CONN6      | SMA monitor internal error signal        It gives the error signal that is given to the PID controller.   The input signal is substracted from the setpoint signal. +| CONN6      | SMA monitor internal error signal        It gives the error signal that is given to the PID controller.   The input signal is substracted from the setpoint signal.  |  
-| CONN7      | JAE 5V voltage supply                   | has to be connected to the front panel's coaxial power connector                                                             | +| CONN7      | JAE 5V voltage supply                   | has to be connected to the front panel's coaxial power connector                                                             |  
-| CONN8      | SMA monitor internal control signal      gives the output of the PID part before any other operation   (e.g. filtering) is performed                                 | +| CONN8      | SMA monitor internal control signal      gives the output of the PID part before any other operation   (e.g. filtering) is performed                                 |  
-| CONN9      | SMA TTL input fast shut down            | if signal is high, controller is shut down fast                                                                              | +| CONN9      | SMA TTL input fast shut down            | if signal is high, controller is shut down fast                                                                              |  
-| CONN10     | SMA TTL input discharge integral part    if signal is high, short cuts the integral part in order to   discharge the integral capacity                               | +| CONN10     | SMA TTL input discharge integral part    if signal is high, short cuts the integral part in order to   discharge the integral capacity                               |  
-| CONN11     | SMA output signal                       | output of the controller signal                                                                                              | +| CONN11     | SMA output signal                       | output of the controller signal                                                                                              |  
-| CONN12     | SMA monitor output signal                                                                                                                                            | +| CONN12     | SMA monitor output signal                                                                                                                                            |  
-| CONN13     | SMA TTL input pick off setpoint signal  |  if signal is high, picks off the setpoint signal   and gives it to the output signal                                        | +| CONN13     | SMA TTL input pick off setpoint signal  |  if signal is high, picks off the setpoint signal   and gives it to the output signal                                        |  
-| CONN14     | JAE 5 Pin                                                                                                                                                            | +| CONN14     | JAE 5 Pin                                                                                                                                                            |  
-| CONN15     | XLR power plug                          | voltage supply                                                                                                               | +| CONN15     | XLR power plug                          | voltage supply                                                                                                               |  
 +|
  
 __**Jumper**__ __**Jumper**__
-| Jumper  | Purpose                                                                        | Description                                            | +| Jumper  | Purpose                                                                        | Description                                            |  Default Position              
-| J1      | ground connection for CONN2 housing                                            |                                                        +| J1      | ground connection for CONN2 housing                                            | solder pads                                            | open                           
-| J2      | ground connection for housing                                                  |                                                        +| J2      | ground connection for housing                                                  | solder pads                                            | open                           
-| 1J1     | sign of the setpoint input at the instrumentation amplifier at 1U1                                                                    +| 1J1     | sign of the setpoint input at the instrumentation amplifier at 1U1             pins (2x2)                                             | left to right, inverts signal  
-| 1J2     | sign of the input signal at the instrumentation amplifier at 1U3                                                                      +| 1J2     | sign of the input signal at the instrumentation amplifier at 1U3               pins (2x2)                                             | left to right, inverts signal  
-| 1J3     | sign of the current transducer signal at the instrumentation amplifier at 1U4  |                                                        +| 1J3     | sign of the current transducer signal at the instrumentation amplifier at 1U4  | pins (2x2)                                             | open                           
-| 1J4     | chooses input signal either from CONN1 or CONN2                                |                                                        +| 1J4     | chooses input signal either from CONN1 or CONN2                                | pins (3x1)                                             | middle and right pin (CONN1)   
-| 1J5     | enables/disables an input offset                                                                                                      +| 1J5     | enables/disables an input offset                                               pins (2x1)                                             | open                           
-| 3J1     | enables/disables optional low-pass filters                                                                                            +| 3J1     | enables/disables optional low-pass filters                                     pins (3x1)                                             | left and middle (disabled)     
-| 3J2     | enables/disables optional high-pass filter                                                                                            +| 3J2     | enables/disables optional high-pass filter                                     pins (3x1)                                             | left and middle (disabled)     
-| 3J3     | enables/disables an output offset                                              |                                                        +| 3J3     | enables/disables an output offset                                              | pins (2x1)                                             | closed                         
-| 3J4     | enables/disables optional ideal diode                                          |                                                        +| 3J4     | enables/disables optional ideal diode                                          | pins (3x1)                                             | left and middle (disabled)     
-| 3J5     | choose which TTL signal to use to shut down the controller                                                                            +| 3J5     | choose which TTL signal to use to shut down the controller (CONN10 or CONN9)   pins (3x1)                                             | middle and right (CONN9)       
-| 4J1     | if enabled, sets supply voltage to +12V instead of +15V                        | 4J1 and 4J2 should always be both enabled or disabled +| 4J1     | if enabled, sets supply voltage to +12V instead of +15V                        | 4J1 and 4J2 should always be both enabled or disabled  | open                           
-| 4J2     | if enabled, sets supply voltage to -12V instead of -15V                        |                                                        |+| 4J2     | if enabled, sets supply voltage to -12V instead of -15V                        | solder pads (as is 4J1)                                | open                           |
  
  
 __**Dipswitches**__ __**Dipswitches**__
  
 +<wrap hi>New: Charts of all possible settings!</wrap>
 +
 +  * For all possible settings, see: {{ :eigenbau:regler:pidmareike:first_amp_settings.pdf |1st amp}}, {{ :eigenbau:regler:pidmareike:i-part_settings.pdf |I-part}}, {{ :eigenbau:regler:pidmareike:d-part_settings.pdf |D-part}}, {{ :eigenbau:regler:pidmareike:final_amp_settings.pdf |final amp}}.
  
 **First amplification** **First amplification**
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 ==== Test Protocol ==== ==== Test Protocol ====
   * Ensure all switches are down, and no jumpers are set   * Ensure all switches are down, and no jumpers are set
 +  * Ground is measured from pads 1, 2 and 3, and not from the front plate (unless J2 is closed to explicitly ground the front plate)
  
 __**Voltage supply**__ __**Voltage supply**__
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   * give an triangle input signal at CONN1.   * give an triangle input signal at CONN1.
-  * set 1J4 and check if the Monitor signal input at CONN4 gives the (inverted) input signal with the same amplitude (the sign depends on the jumper setting at 1J2)+  * set 1J4 (middle and right pin) and check if the Monitor signal input at CONN4 gives the (inverted) input signal with the same amplitude (the sign depends on the jumper setting at 1J2)
   * check if 1U5 pin 6 gives the inverted monitor input signal.   * check if 1U5 pin 6 gives the inverted monitor input signal.
-  * set 1S1 pin 3 and test input offset at error signal CONN6: set jumper 1J5 and turn the poti 1R14. The signal should go up and down.+  * set 1S1 pin 3 and test input offset at error signal CONN6: set jumper 1J5 and turn the potentiometer 1R14. The signal should go up and down.
   * test first amplification stage: (0000, x000, 0x00, 00x0, 000x) should correspond to amplification factors (100, 50, 10, 1,  0.1).   * test first amplification stage: (0000, x000, 0x00, 00x0, 000x) should correspond to amplification factors (100, 50, 10, 1,  0.1).
   * the red, green and red LEDs 1D1, 1D3 and 1D2 should alternatingly glow.   * the red, green and red LEDs 1D1, 1D3 and 1D2 should alternatingly glow.
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   * enable the P part by setting 2S5 to the up position. The I- and D-part remain disabled with 2S6 and 2S7 down.    * enable the P part by setting 2S5 to the up position. The I- and D-part remain disabled with 2S6 and 2S7 down. 
   * the internal control monitor signal at CONN8 should give the non-inverted signal with the same amplitude    * the internal control monitor signal at CONN8 should give the non-inverted signal with the same amplitude 
-  * disable 2S5 and enable the I-part with switch 2S6. Signal either saturates or a sinusoidal signal is arising. Use dipswitch configuration 2S1 (0000), 2S2 (000x(smallest amplification).+  * disable 2S5 and enable the I-part with switch 2S6. Signal either saturates or a sinusoidal signal is arising. Use dipswitch configuration 2S2 (x000), 2S1 (0000to get an amplification of ca 1.
   * press 2S8 to check if the discharging of the integrator works. The signal should vanish for the time the button is pressed.   * press 2S8 to check if the discharging of the integrator works. The signal should vanish for the time the button is pressed.
-  * disable 2S6 and enable the D-part with switch 2S7. It should give a square-wave signal. Use dipswitch configuration 2S3 (0000), 2S4 (0000(smallest amplification).+  * disable 2S6 and enable the D-part with switch 2S7. It should give a square-wave signal. Use dipswitch configuration 2S3 (0x00), 2S4 (000xto get an amplification of ca 1.
   * Re-enable the P part fort the following tests   * Re-enable the P part fort the following tests
  
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 __**Low-pass filter**__ __**Low-pass filter**__
  
-  * set jumper 3J1 such that the low-pass filter is enabled. +  * set jumper 3J1 to the middle and right pin so that the low-pass filter is enabled. 
   * give a triangle signal of about 1kHz. Look at signal of 3U1 and 3U2 at pin 6. The triangle should have rounded edges and a significant phase shift compared to the input signal.   * give a triangle signal of about 1kHz. Look at signal of 3U1 and 3U2 at pin 6. The triangle should have rounded edges and a significant phase shift compared to the input signal.
 +  * disable the filter by setting the jumper to the left and middle pin
  
 **High-pass filter** **High-pass filter**
-  * set jumper 3J2 even if filter is not populated +  * set jumper 3J2 to the left and middle pin (this disables the filter, it is not populated by default).
  
 __**Ideal diode**__ __**Ideal diode**__
  
-  * set jumper 3J4 such that the ideal diode is enabled. +  * set jumper 3J4 to the middle and right pin so that the ideal diode is enabled. 
   * measure at 3J4. Only the positive part of the triangle signal should be left.    * measure at 3J4. Only the positive part of the triangle signal should be left. 
 +  * disable the ideal diode by setting the jumper to the left and middle pin
  
  
 __**Final amplification**__ __**Final amplification**__
-  * choose at dipswitch 3S6 configuration (0000) and at 3S11 (0000for smallest amplification (0.00001) to start with.+  * choose at dipswitch 3S6 configuration (0x00) and at 3S11 (x000to get an amplification of ca 1.
   * the output stage has an additional amplification factor of 21.   * the output stage has an additional amplification factor of 21.
   * check the signal at 3U7 pin 6.   * check the signal at 3U7 pin 6.
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   * connect 5V supply and measure at CONN12   * connect 5V supply and measure at CONN12
   * I-part: enable the integrator at switch 2S6 and connect a TTL signal (+3.3-5V pulse) to CONN10   * I-part: enable the integrator at switch 2S6 and connect a TTL signal (+3.3-5V pulse) to CONN10
-  * when the TTL is enabled, the integrator signal should vanish (similar to the discharging butten 2S8) +  * when the TTL is enabled, the integrator signal should vanish (similar to the discharge button 2S8). Several seconds after the TTL is disabled, the integrator signal should reappear. 
-  * Fast shut down: generate a control output signal with P- I- and/or D-part. Connect a TTL signal to CONN9. When the TTL signal is enabled, the controller output should vanish.  +  * Fast shut down: generate a control output signal with P- I- and/or D-part. Set 3J5 to connect middle and right. Connect a TTL signal to CONN9. When the TTL signal is enabled, the controller output should vanish. Several seconds after disabling the TTL signal, the output should return
-  * pickoff setpoint signal: give a setpoint signal that looks different to the control signal (this is usually the case when the integrator is enabled, as it smoothes out edges). Connect a TTL signal to CONN13. When the ttl signal is enabled, the controller output should give the setpoint signal. Make sure it is not the control signal that you still see (e.g. it does not change when you change control parameters in P, I and D.). +  * pickoff setpoint signal: give a setpoint signal (CONN3) that looks different to the control signal (this is usually the case when the integrator is enabled, as it smoothes out edges). Connect a TTL signal to CONN13. When the ttl signal is enabled, the controller output should give the setpoint signal. Make sure it is not the control signal that you still see (e.g. it does not change when you change control parameters in P, I and D.). 
   * or: turn off P-, I- and D-part. When TTL is disabled, there should not be an output signal, when enabled, it should give the setpoint signal.   * or: turn off P-, I- and D-part. When TTL is disabled, there should not be an output signal, when enabled, it should give the setpoint signal.
   * discharge I part feature+   * discharge I part feature+
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 **Version 2.1** **Version 2.1**
   * Footprints for 3C1 and 3C2 are larger than the size of the required components   * Footprints for 3C1 and 3C2 are larger than the size of the required components
-  * The access holes for the trimmers 1R14 and 3R10 are located too low in the front plate, necessitating the trimmer cover to be installed upside down to get it low enough to fit.+  * The access holes for the trimmers 1R14 and 3R10 are located slightly too low in the front plate
   * Switches 2S5, 2S6 and 2S7 are recessed more than is optimal, shortening the accessible length of their arms.   * Switches 2S5, 2S6 and 2S7 are recessed more than is optimal, shortening the accessible length of their arms.
-  * The chosen two-part plug design for CONN15 has a screw and nut for attaching the front plate section roughly at the height of the board. Currently, the board bends down at this point if it is not modified to fit properly.+  * The chosen two-part plug design for CONN15 has two screws with corresponding nuts for attaching part of it to the front plate. One of these screws is roughly at the height of the board, meaning that the board bends down at this point if it is not modified to fit properly (ie a small portion is cut away).
   * The SMA connectors (CONN1, CONN3, CONN4, CONN6, CONN8,CONN9, CONN10, CONN11, CONN12, CONN13) should be positioned further back in order to leave enough space to prevent unwanted connections between ground and the front plate.   * The SMA connectors (CONN1, CONN3, CONN4, CONN6, CONN8,CONN9, CONN10, CONN11, CONN12, CONN13) should be positioned further back in order to leave enough space to prevent unwanted connections between ground and the front plate.
   * The hole for 2S8 is located slightly too low in the front plate   * The hole for 2S8 is located slightly too low in the front plate