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Standard V6 Series Communication Protocol

3

118109-001 REV B

1.0 SCOPE

This document applies to the communication interface on the V6 Series Power
Supply.

2.0 FUNCTIONAL

DESCRIPTION

The V6 Series power supply provides a serial communications interface:



RS-232 on J1 I/O Connector

.

Data acquisition and control capabilities are provided by:



14 channels of 12-bit analog-to-digital converters



2 additional analog channels that monitor the house-keeping power supply

and ambient temperature



5 digital output bits



8 digital inputs bits



3

relays/interlocks

3.0

GETTING STARTED – HARDWARE SETUP

The digital hardware includes a 40MIPS digital signal processor
processor/controller

3.1 RS232

INTERFACE

The RS232C interface has the following attributes:



115.2K bits per second



No

Parity



8 Data Bits



1 Stop Bit



No

handshaking

3.2 RS-232

CABLING

An RS-232 cable where one end is a DB9 connector and the other end is
a DB15 male connector. Line 2 is connected straight through to pin 2 and
3 line is conncected straight through to line 3. Please refer to the following
chart.

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Содержание V6 Series

Страница 1: ...on Manual High Voltage Power Supply MODEL SERIAL DATE SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION One Commerce Park Valhalla New York 10595 1 914 686 3600 FAX 1 914 686 5424 E mail sales spellmanhv com Website www spellmanhv com V6 SERIES ...

Страница 2: ... aware of the electrical hazards WARNING note in the text call attention to hazards in operation of these units that could lead to possible injury or death CAUTION notes in the text indicate procedures to be followed to avoid possible damage to equipment Copyright 2000 Spellman High Voltage Electronics Corporation All Rights Reserved This information contained in this publication is derived in par...

Страница 3: ...spannungsnetzteiles benötigen ca 5 Minuten um sich zu entladen Erden Sie sich nicht und arbeiten Sie nicht in feuchter oder nasser Umgebung Notwendige Reparaturen können es erforderlich machen den Gehäusedeckel während des Betriebes zu entfernen Reparaturen dürfen nur von qualifiziertem eingewiesenem Personal ausgeführt werden WARNING im folgenden Text weist auf gefährliche Operationen hin die zu ...

Страница 4: ...de l alimentation Ne vous mettez pas à la masse ou ne travaillez pas sous conditions mouillées ou humides La maintenance peut nécessiter l enlèvement du couvercle lorsque l alimentation est encore allumée Les réparations doivent être effectuées par une personne qualifiée et connaissant les risques électriques Dans le manuel les notes marquées WARNING attire l attention sur les risques lors de la m...

Страница 5: ...carica della capacità interna dell alimentatore ad alta tensione Non mettere a terra il proprio corpo oppure operare in ambienti bagnati o saturi d umidità SICUREZZA NELLA MANUTENZIONE Manutenzione potrebbe essere richiesta rimuovendo la copertura con apparecchio acceso La manutenzione deve essere svolta da personale qualificato coscio dei rischi elettrici Attenzione alle AVVERTENZE contenute nel ...

Страница 6: ...n 3 2 3 Temperature Considerations 3 3 OPERATING INSTRUCTIONS 3 1 Operation 5 3 2 Standard Features 6 4 PRINCIPLES OF OPERATION 4 1 DC Input 9 4 2 AC Input 9 4 3 Inverter 9 4 4 High Voltage Transformer 9 4 5 High Voltage Output Section 9 4 6 Control Circuitry 9 5 OPTIONS 5 1 RS232 Interface 11 6 MAINTENANCE 6 1 Periodic Servicing 12 6 2 Performance Tests 12 6 3 High Voltage Dividers 12 7 FACTORY S...

Страница 7: ...t 7 Figure 3 Grounding AC Unit 7 Figure 4 Remote Programming with a Remote Voltage Source 7 Figure 5 Programming using the 5V Reference 7 Figure 6 Local Programming using the internal multi turns potentiometer 8 Figure 7 Remote Voltage and Current Monitoring 8 Figure 8 Enable Input 8 Figure 9 Block Diagram 10 ...

Страница 8: ...afety Current Regulating Loop Current programmability allows the user to set where the unit will current limit anywhere from 0 to 100 of maximum rated current 0 to 5Vdc Remote Programming Inputs Positive polarity high impedance ground referenced 0 to 5Vdc voltage programming inputs correspond to 0 to 100 rated voltage and current outputs Local Control Multi turn potentiometer located on the top of...

Страница 9: ...put voltage and D for DC input voltage 30 is the maximum output voltage in kV P is the output polarity 30 is the output power in watts RS is for RS 232 interface omit RS for analog interface Interface X numbered units are unique units custom developed for specific application requirements above and beyond the scope of the available standard options Each 4 digit X number corresponds to an applicabl...

Страница 10: ...e is evident Do not destroy or remove any of the packing material used in a damaged shipment After unpacking inspect the power supply for any visible signs of damage 2 2 Mechanical Installation V6 units can be mounted in any position using the tapped holes in the base plate 8 32 screws are required for mounting Please see the V6 series data sheet for a more detailed dimensional drawing 2 3 Tempera...

Страница 11: ...V6 Series MANUAL 4 118130 001 REV C Figure 1 Outline Dimensions ...

Страница 12: ...d GROUNDING Proper grounding of the unit is essential for reliable operation Power Ground Signal Ground and HV Ground Return are connected internally The Power Ground connection J1 Pin 13 carries the 24Vdc current that powers the unit Make this connection adequate enough to handle 2 amps minimum Additionally it is recommended that this connection be used to tie the power supply to whatever potenti...

Страница 13: ...unding topology REMOTE PROGRAMMING The V6 s programming and monitor signals are based upon a universal positive polarity ground referenced signal such that 0 to 5Vdc corresponds to 0 to 100 rated output Programming can be accomplished via the use of an applicable customer provided ground referenced voltage source that meets the mentioned requirements See Figure 4 for details If such a source is no...

Страница 14: ...ignal Ground Neutral AC Input Power Figure 4 Remote Programming with a Remote Voltage Source Vprg Iprg 0 to 5Vdc 0 to 100 Rated Output V6 Unit High Voltage Connection Load Return Connection System Ground Customer Load HV Out GND Stud J1 9 I Program V Program J1 6 Signal Ground DC DC J1 4 Figure 5 Programming using the 5V Reference If one pot is not used connect the other programing input directly ...

Страница 15: ...t J1 7 5V Reference Out Figure 7 Remote Voltage and Current Monitoring Vmon Imon 0 to 5Vdc 0 to 100 Rated Output V6 Unit High Voltage Connection Load Return Connection System Ground Customer Load HV Out GND Stud J1 10 Imon Vmon J1 6 Signal Ground Meter J1 11 Meter Figure 8 Enable Input V6 Unit High Voltage Connection Load Return Connection System Ground Customer Load HV Out GND Stud J1 8 Enable In...

Страница 16: ...is controlled via the power supply s regulating loops which allows for complete command of the desired output voltage and current 4 3 High Voltage Transformer The high voltage transformer is a ferrite core step up type in which the primary is driven from the output of the Inverter circuit The secondary of the high voltage transformer feeds the High Voltage Output Section 4 4 High Voltage Output Se...

Страница 17: ...ded to the remote interface for monitoring purposes The Enable Input from the remote interface controls the HV ON and HV OFF status of the power supply by interfacing with the PWM circuitry A precision 5Vdc 0 5 25ppm C micro power band gap reference output is provided for user programming convenience Figure 9 Block Diagram ...

Страница 18: ...erface J1 15 pin D connector Table PIN SIGNAL PARAMETERS 1 Not Used 2 RS232 Receive Data 3 RS232 Transmit Data 4 Not Used 5 RS232 Ground 6 Ground 7 Not Used 8 Not Used 9 Not Used 10 0 to 5V 0 to 100 Rated Output Zout 10kΩ Analog 11 0 to 5V 0 to 100 Rated Output Zout 10kΩ Analog 12 Not Used 13 Input Voltage Return used for DC 14 Input Voltage 24V 10 2A used for DC 15 Input Voltage 24V 10 2A used fo...

Страница 19: ... current meter a ripple checker a high voltage load a high voltage divider such as the Spellman HVD 100 or HVD 200 an insulated load stick and insulated short circuit stick and a safety interlocked Faraday test cage to safety conduct the tests inside of All equipment must be properly rated for the power supply to be tested If you do not possess the required equipment and skills necessary to safety...

Страница 20: ...should be marked clearly on the outside of the shipping container Packages received without an RMA Number will be returned to the customer The Customer shall pay for shipping to and from Spellman A preliminary estimate for repairs will be given by phone by Customer Service A purchase order for this amount is requested upon issuance of the RMA Number A more detailed estimate will be made when the p...

Страница 21: ...To obtain information on Spellman s product warranty please visit our website at http www spellmanhv com en About Warranty aspx ...

Страница 22: ...contained in this publication is derived in part from proprietary and patent data This information has been prepared for the express purpose of assisting operating and maintenance personnel in the efficient use of the model described herein and publication of this information does not convey any right to reproduce it or to use it for any purpose other than in connection with installation operation...

Страница 23: ... GETTING STARTED SOFTWARE 4 4 1 RS 232 4 5 0 SERIAL INTERFACE PROTOCOL 4 5 1 COMMAND ARGUMENTS 5 5 2 CHECKSUMS 5 5 3 COMMAND OVERVIEW 8 5 4 RESPONSE OVERVIEW 8 5 5 COMMAND STRUCTURE 9 5 5 1 Program KV 9 5 5 2 Program Output Current 10 5 5 3 Request ADC Data 11 5 5 4 Request Status 12 5 5 5 Request Software Version 13 5 5 6 Request Hardware Version 14 5 5 7 Request Model Number 15 5 5 8 Set H V Off...

Страница 24: ...or the house keeping power supply and ambient temperature 5 digital output bits 8 digital inputs bits 3 relays interlocks 3 0 GETTING STARTED HARDWARE SETUP The digital hardware includes a 40MIPS digital signal processor processor controller 3 1 RS232 INTERFACE The RS232C interface has the following attributes 115 2K bits per second No Parity 8 Data Bits 1 Stop Bit No handshaking 3 2 RS 232 CABLIN...

Страница 25: ... protocol All software that addresses the RS 232 interface must adhere to the following parameters 115K 2 bits per second No Parity 8 Data Bits 1 Stop Bit No handshaking 5 0 SERIAL INTERFACE PROTOCOL Serial communications will use the following protocol STX CMD ARG CSUM ETX Where STX 1 ASCII 0x02 Start of Text character CMD 2 ASCII characters representing the command ID 1 ASCII 0x2C character PC t...

Страница 26: ...d bytes into a 16 bit or larger word The bytes are added as unsigned integers Take the 2 s compliment negate it Truncate the result down to the eight least significant bits Clear the most significant bit bit 7 of the resultant byte bitwise AND with 0x7F Set the next most significant bit bit 6 of the resultant byte bitwise OR with 0x40 Using this method the checksum is always a number between 0x40 ...

Страница 27: ...rocessOutputString Chr 2 outputString CSb Chr 3 End Function Here is an example of an actual Checksum calculation for command 10 Program kV setpoint The original message with a placeholder for the checksum is STX 10 4095 CSUM ETX First you add up all the characters starting with the 1 in the command number to the comma before the checksum with their ASCII values in hexadecimal 0x31 0x30 0x2C 0x34 ...

Страница 28: ... characters starting with the 2 in the command number to the comma before the checksum with their ASCII values in hexadecimal 0x32 0x32 0x2C 0x90 Next you then take the two s complement of that number by negating it by subtracting it from 0x100 decimal 256 and only retain the lowest 7 bits by bitwise ANDing the results with 0x7F NOTE This combines the steps of getting the twos complement truncatin...

Страница 29: ... 0 5 4 RESPONSE OVERVIEW The command responses will follow the same format as outlined above in section 5 3 This list is comprised of Commands with complex responses only Commands using a simple response will use the character ASCII 0x24 as a Success response or a single character error code These responses will be eight ASCII characters in length Response Name CMD Response Request Analog Readback...

Страница 30: ... 1 Program KV Description The host requests that the firmware change the setpoint of DAC Channel A Direction Host to supply Syntax STX 10 ARG CSUM ETX Where ARG 0 4095 in ASCII format Example STX 10 4095 CSUM ETX Detailed Example 02 31 30 2C 34 30 39 35 2C 75 03 Response STX 10 CSUM ETX ...

Страница 31: ...REV B 5 5 2 Program Output Current Description The host requests that the firmware change the setpoint of DAC Channel B Direction Host to supply Syntax STX 11 ARG CSUM ETX Where ARG 0 4095 in ASCII format Example STX 11 4095 CSUM ETX Response STX 11 CSUM ETX ...

Страница 32: ...iption The host requests that the firmware report the current ADC Channel KV monitor and Channel MA monitor Direction Host to supply Syntax STX 20 CSUM ETX Response STX 20 ARG1 ARG2 CSUM ETX Where ARG1 KV 0 4095 in ASCII format ARG2 MA 0 4095 in ASCII format Example STX 20 4095 4095 CSUM ETX ...

Страница 33: ...iption The host requests that the firmware report the current DAC Channel D setpoint Direction Host to supply Syntax STX 22 CSUM ETX Response STX 22 ARG1 ARG2 ARG3 CSUM ETX Where ARG1 1 Over Voltage 0 Normal ARG2 1 Over Current 0 Normal ARG3 1 Enable 0 Disable Example STX 22 0 0 0 CSUM ETX ...

Страница 34: ... that the firmware sends the DSP firmware part number version Direction Host to supply Syntax STX 23 CSUM ETX Example STX 23 CSUM ETX Response STX 23 ARG CSUM ETX Where ARG consists of eleven ASCII characters representing the current firmware part number version The format is SWM9999 999 Example STX 23 SWM9999 999 CSUM ETX ...

Страница 35: ...that the firmware sends the hardware version Direction Host to supply Syntax STX 24 CSUM ETX Example STX 24 CSUM ETX Response STX 24 ARG CSUM ETX Where ARG consists of 3 ASCII characters representing the hardware version The format is ANN where A is an alpha character and N is a numeric character Example STX 24 A01 CSUM ETX ...

Страница 36: ... requests that the firmware sends the unit model number Direction Host to supply Syntax STX 26 CSUM ETX Example STX 26 CSUM ETX Response STX 26 ARG CSUM ETX Where ARG consists of five ASCII characters representing the model number The format is XNNNN where N is a numeric character Example STX 26 X9999 CSUM ETX ...

Страница 37: ...col 16 118109 001 REV B 5 5 8 Set H V OffOn Description The host requests that the firmware set H V Off or On Direction Host to supply Syntax STX 99 ARG CSUM ETX Where ARG 0 HV Off 1 HV On Example STX 10 1 CSUM ETX Response STX 10 CSUM ETX ...

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