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S p e z i a l e l e k t r o n i k     G m b H

 

 

 

 

iseg Spezialelektronik GmbH 

Email: [email protected] 

Phone  ++ 49 (0)351 / 26 996 – 0 

 

Bautzner Landstr. 23 

http://www.iseg-hv.com 

Fax 

++ 49 (0)351 / 26 996 – 21 

16 

D - 01454 Radeberg / Rossendorf 

Germany

 

Note! 

If output voltage has been shut off permanently (by ERR or INH at ENABLE KILL or TRP) the 
command ”Read status word” must be executed before the output voltage can be restored 

 

Error codes:  

???? Syntax 

error 

 

?WCN 

Wrong channel number  

 

?TOT 

Timeout error (with following reinitialization) 

 

?<SP>UMAX=nnnn 

Set voltage exceeds voltage limit 

 

Module status: 

 

Status Description 

Bit 

Valency 

QUA 

Quality of output voltage not given at present 

7=1 

128 

ERR V

max

 or I

max

 is / was exceeded 

6=1 

64 

INH 

INHIBIT signal 

was / is active 

5=1 

32 

  

Inactive 

 

KILL_ENA KILL-ENABLE 

is 

On 

4=1 

16 

  

Off 

 

OFF 

Front panel HV-ON switch in 

OFF position 

3=1 

  

 

ON 

position 

 

POL 

Polarity set to 

Positive 

2=1 

  

Negative 

 

MAN Control 

Manual 

1=1 

 

 

via RS 232 interface 

 

   

 

0=0 

Read out of “module status” (“Tx”) does 

not

 reset the flags “ERR” and “INH” like the read out of status word (“Sx”) of the 

corresponding channel. 

Auto start:  

Autostart offers the possibility to set a specific voltage which is automatically achieved with a set ramp after Power Up and 
Initialization of the unit. This enables working in remote control mode without a control PC connected. 

Description Bit 

Valency 

If the precondition for Auto start (module status: OFF + ERR + INH + MAN = 0) is satisfied, the 
output voltage is automatically ramped to the set voltage. Thus the G-command or POWER-ON 
and OFF 

 ON are not required. 

If output voltage has been shut off permanently (by ERR or INH at ENABLE KILL or TRP), the 
previous voltage setting will be restored with software ramp after 

Read status word

3=1 8 

Values are written to the registers only 

Save Current trip to EEPROM 

2=1 

at POWER-ON! 

Save Set voltage to EEPROM 

1=1 

 

Save Ramp speed to EEPROM 

0=1 

 

(EEPROM guarantees 1 million saving cycles) 

 

 

 

Содержание SHQ 122

Страница 1: ...k GmbH Email sales iseg hv de Phone 49 0 351 26 996 0 Bautzner Landstr 23 http www iseg hv com Fax 49 0 351 26 996 21 D 01454 Radeberg Rossendorf Germany Operator s Manual High Voltage Power Supply SHQ HIGH PRECISION series ...

Страница 2: ...r The unit may only be operated with protective earth conductor connected We decline all responsibility for damages and injuries caused by an improper use of the module It is strongly recommended to read the operators manual before operation The information in this manual is subject to change without notice We take no responsibility for any error in the document We reserve the right to make change...

Страница 3: ...8 4 Operation 9 4 1 Front panel 9 4 2 Power Up and operational conditions 10 4 2 1 Manual control CONTROL in upper position 10 4 2 2 Remote control CONTROL in lower position 11 4 2 3 Transition manual control Ù remote control 12 4 3 Current measurement ranges 12 4 3 1 Current measurement ranges and current trip 12 4 4 Safety functions 12 4 5 Operation check 13 5 RS232 interface 14 5 1 Specificatio...

Страница 4: ...pplication the unit has to be switched off and discharge of residual voltage has to be finished Depending on application residiual voltages can be present for long time periods These residiual voltages can lead to severe injuries Only accessories which meet the manufacturer s specifications shall be used If the equipment is used in a manner not specified by this manual the protection provided by t...

Страница 5: ...which offer output voltages up to 6 kV for the use in industry and research Main Characteristics High voltage power supplies with front panel operation and remote control via serial interface Output voltages with very low ripple and noise Compact housing with one or two independent high voltage sources Polarity is manually switchable with switches on the rear side of the housing Simultaneous displ...

Страница 6: ... 10 µA Resolution 100 nA Accuracy 0 1 IO 0 02 Inom Range µA 100 µA IO 20 nA Resolution 1 nA Accuracy 0 1 IO 20 nA Option 0n1 10 µA IO 2 nA Resolution 100 pA Accuracy 0 1 IO 2 nA Value scope data are guaranteed in the range of 1 Vnom VO Vnom for one year Rate of change of output voltage fixed 500 V s at HV ON OFF variable 2 255V s at remote control Protection hardware voltage limit Vmax rotary swit...

Страница 7: ...HV filter to provide a feedback voltage for the output voltage control an additional voltage divider supplies the signal for the maximum voltage monitoring A precision control amplifier compares the feedback voltage with the set value given by the DAC remote control or the potentiometer manual control Signals for the control of the resonance converter and the stabilizer circuit are derived from th...

Страница 8: ...ion 3 4 Floating HV outputs Both HV outputs are related to the same ground HV 0V HV GND provided on the outer connector screen of HV cable of SHV connectors The channels can be switched independently in polarity the output voltages related to HV 0V HV GND are also independently controlled The SHV connectors are mounted isolated to chassis PE in order to have a floating HV 0V If the floating voltag...

Страница 9: ...current limit with 10 turn potentiometer The upper figure shows the panel for the SHQ module in the standard version with 10 percent switches for voltage and current limit The front panel for modules with option IWP Hardware current limit setting with 10 turn potentiometer is shown in the lower figure The mains supply including switch and fuse a 9 pin female D Sub connector for the RS 232 interfac...

Страница 10: ...show manufacturer serial number nominal voltage and nominal current After a successful function test the unit is in standby mode If the HV ON switch is in position ON and CONTROL switch is in upper position manual control at the HV output on the rear side high voltage is generated according to the set voltage chosen via the 10 turn potentiometer with a ramp speed of 500 V s hardware ramp After pow...

Страница 11: ...surement of the corresponding SHQ series device The polarity of the output voltage is also indicated 4 2 2 Remote control CONTROL in lower position If the CONTROL switch is in lower position DAC high voltage will be activated only after receiving corresponding RS232 commands There are several commands offering an enhanced control in comparison to front panel control such as voltage ramp The ramp s...

Страница 12: ...r the display In mA position there is an automatic switching between the current measurement ranges in case of crossing of the threshold In position µA current measurement will stay in the µA range in case of measurements higher than the threshold Overflow will be displayed 4 3 1 Current measurement ranges and current trip With the current measurement range switch it is also chosen which current t...

Страница 13: ...ation of the module and the LC display can be verified as follows The CONTROL switches must be in the upper position for manual control For each channel turn the 10 turn potentiometer for VSET by one revolution such that the number in vision panel shows 1 and the circular scale is in position 0 This setting corresponds to 10 of the nominal Voltage ISET must be set to a value 10 No cables are conne...

Страница 14: ...ange of the output voltage 5 1 Specification RS232 interface The data exchange is character based the synchronisation for the transfer direction PC to HV source input is performed using an echo The data transfer to the PC output is asynchronous Between two characters a programmable delay time break is included to allow the computer to receive and evaluate the incoming data The default break time s...

Страница 15: ...nn ramp speed 2 255 V s Start voltage change channel 1 G1 G1 S1 xxx S1 Status information Write current trip L1 nnnnn L1 nnnnn trip corresponding resolution range mA 0 Cannel 1 Range mA LB1 nnnnn LB1 nnnnn trip corresponding resolution range mA 0 Range µA LS1 nnnnn LS1 nnnnn trip corresponding resolution range µA 0 Read current trip L1 L1 nnnnn see above for nnnnn 0 no current trip Cannel 1 Range ...

Страница 16: ...Positive 2 1 4 Negative 0 MAN Control Manual 1 1 2 via RS 232 interface 0 0 0 0 Read out of module status Tx does not reset the flags ERR and INH like the read out of status word Sx of the corresponding channel Auto start Autostart offers the possibility to set a specific voltage which is automatically achieved with a set ramp after Power Up and Initialization of the unit This enables working in r...

Страница 17: ...ay driver Microcontroller Reference voltage ADC MUX DAC 1 DAC 2 Front panel operating elements Resonance Converter HV Transformer Rectifier Polarity switch HV Filter HV OUTPUT Ch1 Channel 1 rectifier AGC amplifier Precision V monitoring max I monitoring max Error logic Inhibit Supply voltage monitoring Hardware voltage ramp Filter HV OUTPUT Ch2 Channel 2 6V 24V Line voltage AC RS 232 Interface DC ...

Страница 18: ...g hv com Fax 49 0 351 26 996 21 18 D 01454 Radeberg Rossendorf Germany Appendix B Accessories Item iseg order number HV cable 5m SHV coupling one sided up to 6kV SHV_CAB5 HV cable 5m SHV coupling both sides up to 6kV SHV2_CAB5 RS 232 cable 3m 200295 LEMO FFA 00 250 CTAC31 200793 Power Supply Cord HG TR SJT3x16AWG C13M 3 05m 595088 ...

Страница 19: ......

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