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Technical documentation
Last changed on: 11.05.2020
EHQ series
High Precision Single Channel High Voltage Power Supply Module
1 channel, 2 / 3 / 4 / 5 kV and customized versions
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LCD for voltage and current display
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switchable polarity
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very low ripple and noise
•
front panel control with highly precise 10-turn
•
potentiometer
•
hardware voltage and current limits with 10 % steps
•
USB, RS232, CAN interfaces
•
programmable parameters (current trip, voltage ramp etc.)
•
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Table of Contents
Related Manuals for iseg EHQ Series
Summary of Contents for iseg EHQ Series
- Page 1 Technical documentation Last changed on: 11.05.2020 EHQ series High Precision Single Channel High Voltage Power Supply Module 1 channel, 2 / 3 / 4 / 5 kV and customized versions • LCD for voltage and current display • switchable polarity •...
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Page 2: Document History
Copyright © 2020 by iseg Spezialelektronik GmbH / Germany. All Rights Reserved. This document is under copyright of iseg Spezialelektronik GmbH, Germany. It is forbidden to copy, extract parts, duplicate for any kind of publication without a written permission of iseg Spezialelektronik GmbH. This information has been prepared for assisting operation and maintenance personnel to enable efficient use. -
Page 3: Safety
Advices marked as “Caution!” describe actions to avoid possible damages to property. CAUTION! INFORMATION Advices marked as “Information” give important information. INFORMATION Read the manual. Attention high voltage! Important information. EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 3/46... -
Page 4: Intended Use
You may only put the product into operation after it has been established that the high-voltage device complies with • the country-specific regulations, safety regulations and standards of the application. The high-voltage power supply unit may only be installed by qualified personnel. • EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 4/46... -
Page 5: Important Safety Instructions
WARNING! WARNING! Do not operate the unit in wet or damp conditions. WARNING! WARNING! Do not operate the unit in an explosive atmosphere. WARNING! EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 5/46... - Page 6 When controlling, with software, the high voltage systems, make sure that nobody is near the high voltage or can be injured. CAUTION! INFORMATION Please check the compatibility with the devices used. INFORMATION EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 6/46...
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Page 7: Table Of Contents
9.4. Channel Control: (read access) 9.5. ModuleStatus (read access) 9.6. Module EventStatus (read access) 9.7. ModuleControl (read access) 9.8. Common-instructions 10 Dimensional drawings 11 Connectors and PIN assignments EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 7/46... - Page 8 12 Order guides 13 Accesories 14 Appendix 15 ASCII character table 16 Glossary 17 Warranty & Service 18 Disposal 19 Manufacturer contact EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 8/46...
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Page 9: General Description
The high voltage source is protected against overload and short circuit. The output polarity can be switched over. The HV-GND is connected to the chassis and the powering GND. EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 9/46... -
Page 10: Technical Data
Specifications for stability, ripple and noise are guaranteed in the range 2% • V < V ≤ V Option: N12 Option: 104 (I = 100 µA) Table 1: Technical data: Specifications EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 10/46... - Page 11 EHQ 104 L 4 kV 100µA 2 mV 100 nA E10-40104 EHQ 105 L 5 kV 100µA 5 mV 100 nA E10-50104 Table 3: Technical data: Configurations EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 11/46...
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Page 12: Description
3 Description The functional principle is described in the block diagram. Figure 1: Block diagram EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 12/46... -
Page 13: High Voltage Supply
The high-voltage filters are housed in individual metal enclosures to shield even minimal interference radiation. EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 13/46... -
Page 14: Front Panel
Measuring switch 10-turn potentiometer HV-ON switch CONTROL switch INHIBIT input KILL switch Polarity indicator HV-ON indicator HV output USB mini B Figure 2: Front Panel with USB EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 14/46... -
Page 15: Handling
100%) on the cover side (see appendix, 10 Dimensional drawings) independently of programmable current trip. The red error LED on the front panel signals if the output voltage or current approaches the limits. Option 104, displayed „nA“ EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 15/46... -
Page 16: Rs232 Interface
INFORMATION Front panel switches have priority over software control. INFORMATION EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 16/46... -
Page 17: Manual Control Mode
The bridging on the PC side if a three-lead cable is used, is also given in table. Signal - RS 232 PC - DSUB9 PC - DSUB25 Connection - 3-lead cable ┐ ┤ ┘ Table 4: Pin assignment EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 17/46... -
Page 18: Usb Interface
All devices get an USB Serial Port assigned in section Ports (COM & LPT), in this case COM3: Figure 3: Device Manager The connection to the device can be tested with isegTerminal, see chapter 14 Appendix. EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 18/46... -
Page 19: Linux Usb Driver Installation
[ 2 3 4 . 8 1 6 8 7 6 ] f t d i _ s i o : v 1 . 4 . 3 : U S B F T D I S e r i a l C o n v e r t e r s D r i v e r EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com... -
Page 20: Interface Test
HyperTerminal is included in Windows 2000 and XP. Create a new connection with menu „File ➜ New Connection“, name it e. g. “EHQ” and click OK. The following dialog appears. Choose your serial port and click OK: Figure 5: Example illustration EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 20/46... - Page 21 As last setting, File ➜ Properties ➜ Settings ➜ ASCII Setup: The setting “Send line ends with line feeds” has to be made (see following picture). Figure 7: Example illustration You can now test the communication with the device: EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 21/46...
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Page 22: Under Linux
6.3.2 Under Linux The following screenshot shows the connection with the graphical Terminal program CuteCom. Download is at http://cutecom.sourceforge.net. To communicate with an iseg USB or serial device, the following settings are needed: D e v i c e / d e v / t t y U S B 0 ( o r o t h e r i n t e r f a c e , a c c o r d i n g t o d m e s g o u t p u t ) -
Page 23: Iseg Instruction Set, Old Dcp
Read auto start channel 1 A1*n* (8 ➜ auto start is active; 0 ➜ inactive, see 7.4 Auto start) Notes: * = <CR><LF> n = Non-negatives Integers EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 23/46... -
Page 24: Status Information
7.2. Error codes ???? Syntax error ?WCN Wrong channel number ?TOT Timeout error (with following reinitialization) ?<SP>UMAX=nnnn Set voltage exceeds voltage limit Notes: n = Non-negatives Integers EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 24/46... -
Page 25: Module Status
Notes: EEPROM guarantees a minimum of 1 million saving cycles 7.5. Software Contact us for an overview on our user friendly control and data acquisition software! EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 25/46... -
Page 26: Program Example
D E F A U L T : P R I N T F ( " % C " , R B Y ) ; B R E A K ; C N T - - ; } W H I L E ( C N T > = 1 ) ; EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 26/46... -
Page 27: Scpi Command List
The remote control of the unit can either be done with the new SCPI command list described in the following or with the old DCP command list described in the operators manual see page 7 ISEG instruction set, old DCP. 8.1. change of command mode... - Page 28 :SUPply :P24V? query module supply +24V :N24V? query module supply -24V :P12V? query module supply +12V :N12V? query module supply -12V :TEMPerature? query measured temperature EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 28/46...
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Page 29: Examples
:CURR˽ 0.00158 Set Voltage Ramp speed to 30 Volt per second :CONF:RAMP:VOLT˽ 30 Query serial Echo status CONF:ECHO? Enable serial Echo CONF:ECHO˽ ON Notes: ˽ Space EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 29/46... -
Page 30: Description Of Control, Status, Event, And Mask Registers
Is Regulation Error faster error detection of the channel hardware is not in regulation (check it every 5ms) Reserved Reserved Is a OPTION Is a OPTION EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 30/46... - Page 31 Is Input Error no input-error incorrect message to control the module Is Regulation Error normal error evaluation fast detection of a regulation error (OPTION) Is a OPTION EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 31/46...
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Page 32: Channel Event Status (Read Access)
An event bit is permanently set if the status bit is 1 or is changing to 1. Different to the status bit an event bit isn't automatically reset. A reset has to be done by the user by writing an 1 to this event bit. EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 32/46... -
Page 33: Channel Event Mask (Write Access, Read Access)
Emergency off Mask Event End Of Ramp End of ramp Mask Event On To Off Change from state on to off Mask Event Input Error Input Error EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 33/46... -
Page 34: Channel Control: (Read Access)
(0V) before the status bit ‘i s O n ’ is changed from (1) one to (0) zero a ramp down of the voltage to zero (0V) will be started. EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 34/46... -
Page 35: Modulestatus (Read Access)
Hardware voltage limit in proper range, only for HV distributor modules with current mirror Good Is Service Hardware failure detected (consult iseg Spezialelektronik GmbH) Is Fine Adjustment Mode of the fine adjustment EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 35/46... - Page 36 Good Is Fine Adjustment Fine adjustment is off Fine adjustment is on (default) EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 36/46...
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Page 37: Module Eventstatus (Read Access)
A hardware failure of the HV module has been detected. The HV is switched off without the possibility to switch on again. Please consult the iseg Spzialelektronik GmbH. EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 37/46... -
Page 38: Modulecontrol (Read Access)
Set Big Endian big endian (MOTOROLA format) Do Clear no action Hardware Clear Kill signal and clear all event signals of the module and the channels EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 38/46... -
Page 39: Common-Instructions
Reset: restart of the device *INSTR? query the selected instruction set reply EDCP or *INSTR,SCPI or *INSTR,EDCP select SCPI instruction set *INSTR,iseg or *INSTR,DCP select old iseg instruction set EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 39/46... -
Page 40: Dimensional Drawings
10 Dimensional drawings Figure 10: EHQ with USB Figure 11: EHQ side cover (Polarity rotary switch, Rotary switches for V and I EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 40/46... -
Page 41: Connectors And Pin Assignments
Connector 57K101-006N3 / Z590162 S08 (RADIALL) Socket R317.580.000 Connector R317.005.000 / Z592474 Limit monitor 1pol. (LEMO) / INHIBIT-signal 1pol. (LEMO) Socket ERN.00.250.CTL Connector FFA.00.250.CTAC31 / Z200793 EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 41/46... -
Page 42: Order Guides
S08_C04-LLL Notes: Length building examples: 10cm ➜ 0.1, 2.5m ➜ 2.5, 12m ➜ 012, 999m ➜ 999 Table 6: Item code parts for different configurations EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 42/46... -
Page 43: Accesories
13 Accesories CAUTION! Only use genuine iseg parts like power cables, CAN cables and terminators for stable and safe operation. CAUTION! ACCESSORY ITEM ORDER ITEM CODE SHV coupler screw for RG58 Z590162 SHV coupler screw for RG58, >5kV Z592474 1-pin LEMO connector FFA.00.250.CTAC31... -
Page 44: Ascii Character Table
<ESC> 0x3B 0x5B 0x7B 0x1C <FS> 0x3C < 0x5C 0x7C 0x1D <GS> 0x3D 0x5D 0x7D 0x1E <RS> 0x3E > 0x5E 0x7E 0x1F <US> 0x3F 0x5F 0x7F EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 44/46... -
Page 45: Glossary
Reference temperature HV ON/OFF HV OFF/ON channel(s) high voltage low voltage signal ground Inhibit Polarity KILL KillEnable EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 45/46... -
Page 46: Warranty & Service
19 Manufacturer contact iseg Spezialelektronik GmbH Bautzner Landstr. 23 01454 Radeberg / OT Rossendorf GERMANY FON: +49 351 26996-0 | FAX: +49 351 26996-21 www.iseg-hv.com info@iseg-hv.de sales@iseg-hv.de EHQ High Voltage Power Supply series | Last changed on: 11.05.2020 | www.iseg-hv.com 46/46...
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