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PSI System Controls and Diagnostics 

                                                        

           

F3200E User Manual 

 

             F3200E_UM_180726                                       Page 68 of 107 

 

 

15.2  F3200E Circuit Overview 

The circuitry is arranged on a main board plus two daughter boards.  The A60 is a standard 
Pyramid processor card which handles the communications interfaces to the host computer.  The 
fiber optic mezzanine card mounts the six fiber optic devices. 

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

ADC
ADC

FPGA

2

Cal 1

Cal 2

Cal 3

Cal 4

FPGA

1

NIOS

CPU

SRAM

Signal
inputs

DAC

Range select

DRAM

Flash

DAC

HV 

module

HV output

ADC

Gate in
Gate out

Opto A in

Opto

Opto B in

Opto

+24 V switched out

Relay

+5 V switched out

Relay

Serial

drivers

Ethernet

RS-232 / RS-485

RX

TX

LEDs

Watchdog

Reset

DC-DC converters

24 V in

Fan

24 V out

+5 +3.3 +2.5 +1.5

+15 -15

Mode

Addr

NIOS

CPU

A60

DAC

DAC

Fiber 

optic 

mezz

RX

TX

TX

TX

+15 (HV)

HV input

ADC

Analog outputs

ADC

ADC

ADC

ADC

Analog inputs

JPRs

Digital outputs

Digital inputs

Port 1

Port 2

 

Figure 57.  F3200E block schematic. 

 

15.2.1 Signal input stages 

Each signal processing channel comprises four distinct I-V converter circuits, differing in the 
value of the feedback resistors.  Stabilization capacitors in the feedback loops give an effective 
time constant of 0.8 µsec on each range.  One of the four circuits is switched in by analog gate 
switches at any time in order to establish a particular full scale current.  The input impedance is 
determined by the “on” resistance of the analog gate, which is 40 ohms typical. 

The I-V converter stage is followed by a four-pole low-pass filter with -3dB rolloff set to 250 
kHz, to provide anti-aliasing for the analog to digital converter.   

 

Содержание F3200E

Страница 1: ...Channel Fast Current Digitizer User Manual Pyramid Technical Consultants Inc 1050 Waltham Street Suite 200 Lexington MA 02421 USA US TEL 781 402 1700 FAX 781 402 1750 EMAIL SUPPORT PTCUSA COM Europe T...

Страница 2: ...NG AND POWER SUPPLY 21 9 3 CONNECTION TO SIGNAL SOURCE 22 9 3 1 Typical setup 22 9 3 2 Signal cables 23 9 3 3 Signal current path 23 10 HOW THE F3200E WORKS AN OVERVIEW 25 10 1 CURRENT RANGES 25 10 2...

Страница 3: ...onfiguring the network settings 56 12 FIBER OPTIC LOOP COMMUNICATIONS 57 12 1 USING THE F3200E AS A LOOP CONTROLLER 57 12 2 USING THE F3200E AS A LOOPED SUBDEVICE 59 13 IG2 AND EPICS CONNECTIONS 61 13...

Страница 4: ...out 89 22 1 6 High voltage in 89 22 2 REAR PANEL CONNECTORS 89 22 2 1 Ethernet communications 89 22 2 2 RS 232 RS 485 communications 89 22 2 3 Gate input 90 22 2 4 Gate output 90 22 2 5 Fiber optic co...

Страница 5: ...m Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 5 of 107 27 MAINTENANCE 102 28 RETURNS PROCEDURE 103 29 SUPPORT 104 30 DISPOSAL 105 31 DECLARATION OF CONFORMITY 106 32 REVISION HIS...

Страница 6: ...y 39 Figure 21 Scope display buffered acquisition data sampled at 100 kHz 40 Figure 22 Scope display sweep acquisition data sampled at 1 MHz 20 1000 point sweeps averaged 41 Figure 23 Histogram displa...

Страница 7: ...e analysis 75 Figure 62 Burst of pulses captured in sweep mode 20 sweep averaging 75 Figure 63 Single shot measurement at 1 MHz sampling 76 Figure 64 Selecting monitor mode 77 Figure 65 Demonstration...

Страница 8: ...but may nevertheless give a noticeable shock if misuse were to lead you to come into contact with them The user must therefore exercise appropriate caution when using the device and when connecting ca...

Страница 9: ...ted to the ground lug on the case Some of the following symbols may be displayed on the unit and have the indicated meanings Direct current Earth ground terminal Protective conductor terminal Frame or...

Страница 10: ...4 Models F3200E Thirty two channel fast current digitizer XP20 10 5 2 Add positive 0 to 2000V 1000 V 500 V 200 V auxiliary bias output XN20 10 5 2 Add negative 0 to 2000V 1000V 500 V 200 V auxiliary b...

Страница 11: ...stick containing F3200E User manual F3200E datasheet Pyramid DiagnosticG2 software installation files Pyramid IG2 software installation files Firmware files Test data ADAP D9F MINIDIN Serial port adap...

Страница 12: ...CAB SHV 25 SHV Cable coax HV SHV to SHV 25 CAB L00 25 L00 Cable coax 50 ohm Lemo 00 to Lemo 00 25 CAB L00 25 BNC Cable coax 50 ohm Lemo 00 to BNC 25 Other cable lengths are available from 2 up to 100...

Страница 13: ...ntrols and Diagnostics F3200E User Manual F3200E_UM_180726 Page 13 of 107 X14 fiber optic fanout one input four outputs for trigger distribution X22 bidirectional TTL to optical converter for trigger...

Страница 14: ...irty two fully parallel multi range transconductance amplifiers I V converters Thirty two fully parallel 1 MSa s analog to digital converter channels External gate input for synchronized data collecti...

Страница 15: ...suitable for reading limit switches General purpose I O port with three precision analog outputs four precision differential analog inputs four TTL digital outputs four TTL digital inputs Analog outp...

Страница 16: ...ation Internal calibration currents 83 33 0 03 mA 10 mA range 8 333 0 003 mA 1 mA range 833 3 0 3 A 100 A range 83 33 0 03 A 10 A range Used by automated internal calibration routine to derived gain a...

Страница 17: ...l purpose differential two pole analog low pass filter 17 kHz 16 bit resolution maximum conversion rate 400 kHz downsampled to 10 kHz maximum Digital outputs Four general purpose TTL levels 5 mA typic...

Страница 18: ...th Al alloy front panel and polycarbonate decals Fan cooled Case protection rating The case is designed to rating IP43 protected against solid objects greater than 1mm in size protected against sprayi...

Страница 19: ...DB9 43 6 1U 482 6 19 FRONT VIEW HV ON LED HV IN SHV CHANNELS 17 32 DB25 I O DB25 HV ON LED 24VDC POWER IN LEMO REDEL PXG RS 485 232 FIBER OPTIC RX ST ADDRESS COMMS MODE M4 GROUND LUG REAR VIEW ROTATED...

Страница 20: ...PSI System Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 20 of 107 482 6 19 448 0 248 8 3 0 221 0 42 6 43 6 1U 19 3 TOP VIEW Figure 2 F3200E case plan and side views Dimensions mm...

Страница 21: ...s in a temperature controlled environment No forced air cooling is required in addition to the unit s built in fan but free convection should be allowed around the back and sides of the case 9 2 Groun...

Страница 22: ...is connected to the actuator connector The general purpose I O port is used to output an analog voltage monitor reflection of the incoming signals for viewing on an oscilloscope for example The other...

Страница 23: ...housing or vacuum vessel at the other end In some cases you may get better noise performance if this screen is connected at one end only The optimum arrangement can be found by experiment You may use...

Страница 24: ...n ionization chamber or similar device where the F3200E is providing the bias to the chamber the return path is through the F3200E HV supply figure 5 to complete the circuit back to the biased electro...

Страница 25: ...d by switching between amplifiers with different feedback resistor values All channels are set to the same range A future software release could allow the ranges to be set independently for each pair...

Страница 26: ...ach reading figure 8 This has the effect of narrowing the bandwidth thus improving signal to noise ratio and increasing the resolution Retained data Time Channels Successive ADC conversions Figure 6 D...

Страница 27: ...ach can be buffered in the F3200E and sent up to the host computer as a series of blocks of data The data display on the host computer will inevitably lag behind the actual measurements because the co...

Страница 28: ...nds to 1 msec of contiguous data at 1 MHz ADC rate and thus a data rate to the host PC of about 1 kHz You can average up to 65534 sweeps together to improve the signal to noise ratio and the data rate...

Страница 29: ...e high precision high stability components as these determine the absolute accuracy of the device You can turn on the calibration current at any time and send it to any channel to get a verification t...

Страница 30: ...operated with RS 232 or RS 485 levels provides a simple interface for applications where high data rates are not needed or diagnostic work As well as being a slave device on a fiber optic loop the F3...

Страница 31: ...and will be extended in the future to add support for the full range Your F3200E was shipped with a USB memory stick with the installation files you need We recommend that you copy the files into a di...

Страница 32: ...stics F3200E User Manual F3200E_UM_180726 Page 32 of 107 Figure 11 PTC DiagnosticG2 installation stages The installer will create a subdirectory in the Program Files directory containing all the execu...

Страница 33: ...st PC Ethernet port with a different fixed IP address in the same subnet range for example 192 168 100 11 or 192 168 100 200 Disable Windows firewall which will block some of the F3200E messages Later...

Страница 34: ...scover Devices window If you see the A60 recovery entry you can ignore it for now It is a device recovery utility in case of firmware corruption Figure 14 Discover devices window 6 Click on Discover C...

Страница 35: ...Discover Subdevices button The software will open the connection to the F3200E and show any slave devices connected to it in the System pane In the example there are two devices connected to the F320...

Страница 36: ...click the Initiate button at the top right The F3200E will start streaming data to the host computer and you should see background noise signals in the digital displays and in the histogram graphic Cl...

Страница 37: ...pically about 20 Hz Connected LED When lit this indicates that communications are valid and the system is not in error Busy LED When lit this indicates the F3200E is busy and cannot respond to inputs...

Страница 38: ...on this screen Setup Controls to set the acquisition mode and triggering current ranges and mapping of the input signal to the analog monitor output high voltage control encoder pulse counting and ac...

Страница 39: ...stamp and the current at that point 11 4 2 Scope display A data block that has been buffered and averaged in the F3200E is displayed as a whole in a similar manner to a digital oscilloscope transient...

Страница 40: ...PSI System Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 40 of 107 Figure 21 Scope display buffered acquisition data sampled at 100 kHz...

Страница 41: ...sampled at 1 MHz 20 1000 point sweeps averaged 11 4 3 Histogram display The current in each channel is displayed as a vertical bar there are 32 bars arranged from channel 1 on the left to channel 32 o...

Страница 42: ...ical scale can be set to autoscale or to be various fixed percentages of the full scale of the selected current range using the drop down control Figure 24 Vertical scale selection and positive values...

Страница 43: ...d subtracted from subsequently displayed data Press the clear button to turn off the zero correction Note that the data is not altered only the way it is displayed so you can turn zeroing on or off at...

Страница 44: ...will illuminate 11 7 Data Analysis panel The position of one or more peaks in the distribution of signal over the 32 input channels can be determined two different ways The calculations are enabled b...

Страница 45: ...luded in the peak position calculation 11 7 2 Gaussian Fit regression Channels for the fit are chosen in the same way as for the center of gravity calculation A Gaussian curve is fitted to the data by...

Страница 46: ...f conversions per sample as this improves the resolution and signal to noise ratio The value can be set between 6 and 65535 in internal and buffered modes In sweep mode it is set automatically to 1 Th...

Страница 47: ...data rate is greater than the communications channels can accommodate You should always set a stop condition when using buffering 11 8 1 1 Acquisition modes The Mode drop down lets you select the typ...

Страница 48: ...buffered This is repeated for each subsequent rising edge and the data is averaged with the previous until Sweep Averaging number of sweeps have been averaged The averaged data is returned to the PTC...

Страница 49: ...also stop on a gate edge which must be opposite to the start gate edge Both Stop Count and TTL or optical gate can be selected at the same time the F3200E will stop when the first of the conditions i...

Страница 50: ...put is formed as the sum of the channels checked in this list multiplied by a gain factor The F3200E hardware supports a feature in which the current range can be set individually for each pair of cha...

Страница 51: ...ply The front panel LED will illuminate and you should see a readback voltage similar to the setpoint The High and Low settings allow soft limits to be imposed on the high voltage settings The four ge...

Страница 52: ...existing calibration is about to be overwritten If you proceed new calibrations will be done for the range and stored in non volatile memory For maximum accuracy you should only run the calibration pr...

Страница 53: ...the general purpose analog inputs and outputs and for the high voltage supply These are set at time of manufacture and require external voltage sources and meters to calibrate You should not need to...

Страница 54: ...time application will be initiated by Pyramid although the use of transparent xml format files makes it relatively easy for users to modify and extend to suit their requirements Figure 40 Real Time P...

Страница 55: ...lity Note that firmware updates can only be performed over an Ethernet connection to the F3200E not via fiber optic or serial port Figure 41 Firmware information display Clicking the update button ope...

Страница 56: ...DHCP address assignment If you select a static IP address you must set the address the subnet mask and optionally the address of the network external gateway and a destination for error logging Figur...

Страница 57: ...aster the F3200E can connect up to sixteen other devices Each device must have a unique address 0 through F on the loop set with a rotary switch on the device The addresses do not have to be sequentia...

Страница 58: ...UM_180726 Page 58 of 107 F3200E Ethernet M10 M10 H20 Fiber optic Figure 46 Example fiber optic loop configuration where the F3200E is the loop controller Figure 47 Example fiber optic loop configurati...

Страница 59: ...ion in the ability to measure fast signals at high rates compared to a direct connection to the F3200E using Ethernet The F3200E cannot be connected simultaneously via fiber optic and Ethernet In the...

Страница 60: ...PSI System Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 60 of 107 Figure 49 Example fiber optic loop configuration where another device A360 is the loop controller...

Страница 61: ...ed for the kind of high bandwidth soft real time networking applications that EPICS is used for and is one reason why it can be used to build a control system comprising hundreds of computers Pyramid...

Страница 62: ...d Eclipse http www eclipse org that allows users to get started with little or no programming required There are various logging plotting post processing and alarm point tools A fully featured drag an...

Страница 63: ...t name in which case you need to specify the name and path by means of an argument in the command line that launches IG2 The system xml file includes all the information about your setup including all...

Страница 64: ...tages from general purpose I O devices to physical units relevant to the item they are controlling and how you can set up monitoring against tolerance bands The choice of a corresponding working name...

Страница 65: ...RS 232 terminal session 14 1 RS 485 connection example RS 485 is used to extend a serial connection over a long distance RS 485 is not currently enabled in the F3200E but may be added for specific cus...

Страница 66: ...rols and Diagnostics F3200E User Manual F3200E_UM_180726 Page 66 of 107 Sw1 Sw2 Sw3 ON OFF ON F3200E TC100 5 3 1 6 4 2 Tx B Tx A Rx B Rx A SGnd 1 Tx 2 Rx 3 Gnd 4 n c 5 Tx 6 Rx Figure 55 RS 485 cable F...

Страница 67: ...f the amplifier does not saturate the input impedance of the amplifier is close to zero ohms The actual input impedance of the circuit is determined by any series impedance Rs that is upstream of the...

Страница 68: ...5 RX TX LEDs Watchdog Reset DC DC converters 24 V in Fan 24 V out 5 3 3 2 5 1 5 15 15 Mode Addr NIOS CPU A60 DAC DAC Fiber optic mezz RX TX TX TX 15 HV HV input ADC Analog outputs ADC ADC ADC ADC Anal...

Страница 69: ...and communications FPGA 2 on the main board controls all the ADCs and DACs and collects the conversions over multiple serial lines The monitor output is generated in real time by the acquisition FPGA...

Страница 70: ...er enters via a 1 1 A fuse and is used directly to power the cooling fan It is also available via a fused output on the auxiliary actuator connector The 24 V input is protected against polarity revers...

Страница 71: ...e will inevitably be missing readings in the record The critical rate will generally be close to the Comms rate displayed on the PTC DiagnosticG2 normally about 20 Hz When the sample rate is greater t...

Страница 72: ...l triggering 16 3 1 Custom triggering The F3200E will respond to edges on the gate input to start pause and stop acquisitions Using the Custom trigger mode allows you great flexibility in choosing whe...

Страница 73: ...Internal n a n a Acquisition will start immediately you send Initiate and continue indefinitely if unbuffered or to the Stop Count if buffered Custom Full user control over start pause resume and stop...

Страница 74: ...the F3200E in sweep mode with 1 MHz ADC rate and 1000 points per sweep will generate 1000 readings for each pass of the beam and take 1 msec In practice there needs to be some extra time about 5 10 se...

Страница 75: ...ed acquisition is limited to a maximum sampling rate of 167 kHz to minimize buffer overflow risk However it is possible to use sweep mode to collect single shot data at 1 MHz for up to 1000 samples Si...

Страница 76: ...PSI System Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 76 of 107 Figure 63 Single shot measurement at 1 MHz sampling...

Страница 77: ...y the main PCB FPGA and sent to the DAC that drives analog output 1 Figure 64 Selecting monitor mode The gain factor is given by the full scale current range in use and the number of channels that you...

Страница 78: ...monitoring an oscilloscope measuring analog output 1 shows the summed version delivered to the monitor output shown on the blue trace in figure 64 The monitor output is updated only while the F3200E i...

Страница 79: ...s and Diagnostics F3200E User Manual F3200E_UM_180726 Page 79 of 107 Deselecting channels 1 16 leaves only the 10 kHz signals contributing to the monitor Figure 67 Monitor output voltage with some cha...

Страница 80: ...across the F3200E itself and devices connected to it as fiber optic loop slaves Maps which comprise a table of command values plus values to be monitored can be executed in a regular time sequence to...

Страница 81: ...HV In Figure 68 Loopback validation of external high voltage connections If the monitored values differ significantly from the setpoint you know that the output is either being loaded down by a low re...

Страница 82: ...the High Voltage Supply Range and Polarity The range and polarity of the high voltage supplies is fixed and must be specified at time of purchase Units may be returned to the factory to alter the high...

Страница 83: ...circuits include current limiting resistors shown in the figures below and diode clamps not shown 20 1 Analog inputs Four differential inputs 10V Current limiting resistors 1M 1k 1k Figure 70 Analog i...

Страница 84: ...PSI System Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 84 of 107 20 4 Digital outputs Four outputs TTL levels max current 35 mA 100 Figure 73 Digital input circuit...

Страница 85: ...cally resetting fuse Two opto isolated digital inputs are provided for limit switch sensing or general applications 24 VDC power is available on pins 4 and 8 protected by 130 mA automatically resettin...

Страница 86: ...Page 86 of 107 24 V 1 FS 130 mA 2 24 V rtn Solenoid drive 5 V 3 FS 130 mA 5 V 6 Gnd Control 10 k 10 k 8 Test signal FET switched logic signal 9 Gnd 5 10 k 10 k 24 V rtn Opto input A Read 7 10 k 24 V...

Страница 87: ...4 24 VDC out 9 DGnd 5 Opto in A 22 1 2 General purpose I O port Dsub 25 pin female Pin 1 Pin 14 Pin 13 Pin 25 External view on connector solder side of mating plug 1 24 V return 14 24 V DC out 2 Chas...

Страница 88: ...nput 06 18 AGND 6 Input 07 19 AGND 7 Input 08 20 AGND 8 Input 09 21 AGND 9 Input 10 22 AGND 10 Input 11 23 AGND 11 Input 12 24 Input 16 12 Input 13 25 Input 15 13 Input 14 22 1 4 Signal inputs 17 32 g...

Страница 89: ...kV max 22 1 6 High voltage in SHV male To mate with standard SHV connector such as Radiall R317 005 Outer screen shield at chassis GND Core high voltage 2 kV max 22 2 Rear panel connectors 22 2 1 Ethe...

Страница 90: ...ial EPL 00 250 NTN To mate with Lemo 00 plug part number FFA 00 250 CTAC31Z A Lemo to BNC adaptor is available ABF 00 250 CTA available as ADAP LEMO BNC from Pyramid Technical Consultants 50 ohm drive...

Страница 91: ...Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 91 of 107 24 VDC 0 V 24 V rtn External view on connector solder side of mating plug 22 2 7 Ground lug M4 threaded stud To mate with M...

Страница 92: ...ddress 192 168 100 20 23 2 2 Address switch 16 position rotary switch setting device address for use when you have the F3200E as a slave on a fiber optic loop Choice of address is arbitrary but each d...

Страница 93: ...d 24 V Active Ethernet Optical Com Serial 23 4 1 24 V Green LED 24 VDC power is present DC DC converter is running and generating 2 5 VDC 23 4 2 2 5 V Green LED Unit has powered up correctly 23 4 3 In...

Страница 94: ...PSI System Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 94 of 107 23 4 8 Ethernet Green LED Serial RS 232 or RS 485 is the active communication interface...

Страница 95: ...ld then need to return it to the factory for repair 24 1 Starting the A60 Recovery Utility You need to start the F3200E in bootloader mode To invoke this you must fit a 2mm jumper to position one of j...

Страница 96: ...are connected to the correct device in case of doubt by looking at the serial number Figure 77 A60 recovery screen Using the information on the screen Pyramid will be able to tell you if any of the fi...

Страница 97: ...6 7 msec 60 Hz or 20 msec 50 Hz Keep F3200E and signal cables clear of unscreened high current mains voltage Use averaging periods N line frequency No signal Small signal lost in noise Signal appears...

Страница 98: ...output Unit is not measuring Signal appears when unit initiated and triggered Ensure F3200E is measuring when you want to see the monitor output Analog output is set to manual mode Check setting Set t...

Страница 99: ...le High voltage not at setpoint A high compliance source such as a charged particle beam is driving the HV electrode Monitor value recovers if F3200E disconnected from the external circuit Change geom...

Страница 100: ...es running Unable to connect on fiber optics Using wrong fiber optic channel Check connections Connect on channel 2 if F3200E is a looped device Fiber optic loop topology incorrect Check Tx to Rx link...

Страница 101: ...ou to tailor the measurement bandwidth to your needs Measurements have shown that the noise level expressed as a fraction of the full scale current is almost independent of the current range in use Th...

Страница 102: ...when power is applied If there is buildup of dust in the filter you should clear this by vacuum cleaning in situ or by removing the filter element and cleaning it separately with an air jet Note that...

Страница 103: ...ot be returned unless a Returns Material Authorization RMA number has been issued by Pyramid Technical Consultants Inc If you need to return a unit contact Pyramid Technical Consultants at support ptc...

Страница 104: ...t Manual and software driver updates are available for download from the Pyramid Technical Consultants website at www ptcusa com Technical support is available by email from support ptcusa com Please...

Страница 105: ...and as such should not present any health hazard Nevertheless when your F3200E has reached the end of its working life you must dispose of it in accordance with local regulations in force If you are...

Страница 106: ...PSI System Controls and Diagnostics F3200E User Manual F3200E_UM_180726 Page 106 of 107 31 Declaration of Conformity...

Страница 107: ...mined from the document file name where it is encoded yymmdd For example B10_UM_080105 would be a B10 manual released on 5 January 2008 Version Changes F3200E_UM_100603 First general release F3200E_UM...

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