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4.2 Single Channel Inhibit (IU, ID, NIU, NID)

INFORMATION

INFORMATION

INHIBIT is an external signal, that switches off the high voltage for the device or a specific channel.

This option specifies the logic of single channel INHIBIT signal see chapter 3.5.3 Single channel Inhibit for details.

4.3 L – Lower output current (HP only)

The output current is limited to a lower value, e.g. 100 µA.

4.4 T10 – Lower temperature coefficient (HP only)

Improved temperature coefficient of 10ppm/K

NHS – NIM standard High Voltage Power Supply | Last changed on: 16.01.2020 |

www.iseg-hv.com

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Содержание NHS High Precision

Страница 1: ...Versatile High Precision HV Module in NIM Standard 6 channel 100 V 6 kV versions very low ripple and noise front panel control with 1 44 TFT display voltage and current control per channel programmable parameters hardware voltage and current limits www iseg hv com ...

Страница 2: ...ronik 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 The information in this manual is subject to change without notice We take no responsibility for any mistake in the document We reserve ...

Страница 3: ... instructions DANGER DANGER Danger indicates a severe injury hazard The non observance of safety instructions marked as Danger will lead to possible injury or death WARNING WARNING Warning indicates an injury hazard The non observance of safety instructions marked as Warning could lead to possible injury or death CAUTION CAUTION Advices marked as Caution describe actions to avoid possible damages ...

Страница 4: ... the basis of his technical training his knowledge and experience as well as his knowledge of the relevant regulations General safety instructions Observe the valid regulations for accident prevention and environmental protection Observe the safety regulations of the country in which the product is used Observe the technical data and environmental conditions specified in the product documentation ...

Страница 5: ...s specified range WARNING WARNING Before connecting or disconnecting HV cables or any operation on the HV output or the application the unit has to be switched off and discharge of residual voltage has to be finished Depending on application residual voltages can be present for long time periods WARNING WARNING Do not operate the unit in wet or damp conditions WARNING WARNING Do not operate the un...

Страница 6: ... that an air flow through the corresponding air inlet and outlet openings is possible INFORMATION INFORMATION Please check the compatibility with the devices used NHS NIM standard High Voltage Power Supply Last changed on 16 01 2020 www iseg hv com 6 30 ...

Страница 7: ...l 18 3 5 Protection Features 18 3 5 1 Hardware Limit 18 3 5 2 Safety Loop 18 3 5 3 Single channel Inhibit 19 3 6 The function Delayed Trip 20 3 6 1 Operating principle 20 3 6 2 Modules with two current measurement ranges 21 4 Options 22 4 1 VCT voltage correction by temperature 22 4 1 1 Technical data 22 4 1 2 Operation 22 4 2 Single Channel Inhibit IU ID NIU NID 23 4 3 L Lower output current HP o...

Страница 8: ...y offering different configurations and options this module perfectly covers various types of applications such as detector supply experimental setup or lab use Several NHS modules can be daisy chained by CAN and controlled for example by iseg iCS system The module is made of best components such as 24 bit ADC and 20 bit DAC an excellent front panel control with TFT display plus comprehensive secu...

Страница 9: ...t Vnom and for 1 year Accuracy voltage measurement 0 01 Vout 0 02 Vnom 0 01 Vout 0 01 Vnom Accuracy current measurement full range 0 01 Iout 0 02 Inom 0 01 Iout 0 01 Inom Accuracy current measurement 2nd range n a 0 01 Iout 4 nA Sample rates ADC SPS 5 10 25 50 60 100 500 2 5 10 25 50 2 60 100 500 Digital filter averages 1 16 64 2 256 512 1024 Voltage ramp up to 0 2 Vnom s opt up to 0 75 Vnom s Har...

Страница 10: ...6 NH060001x1060000100 VCT IU ID NHS 60 05x 500 V 15 mA 1 5 NH060005x1560000200 VCT IU ID NHS 60 10x 1 kV 8 mA 1 5 NH060010x8050000200 VCT IU ID NHS 60 20x 2 kV 4 mA 1 5 NH060020x4050000200 VCT IU ID NHS 60 30x 3 kV 3 mA 1 5 NH060030x3050000200 VCT IU ID NHS 60 40x 4 kV 2 mA 1 5 NH060040x2050000200 VCT IU ID NHS 60 60x 6 kV 1 mA 1 5 NH060060x1050000200 VCT IU ID NHS HIGH PRECISION SERIES NHS 62 01x...

Страница 11: ... CURRENT L Inom 100 μA Table 3 Technical data Options and order information 3 Handling 3 1 Connection The supply voltages are connected to the module via the NIM connector on the rear side of the module An USB connector and two 3 5mm audio jack connectors for the CAN interface are located on the front panel The second CAN connector can be used to daisy chain several NHS modules NHS NIM standard Hi...

Страница 12: ...f the corresponding channel LED HV ON signals a measured output voltage at the corresponding channel On Off switches to turn the corresponding channel on or off Hardware limit set screws Vmax and Imax to set the maximum output voltage or current relatively to the absolute maximum values of the channel Vnom Inom USB and Safety Loop connector CAN connectors Single channel Inhibit connector Rotary en...

Страница 13: ...ues 3 Channel numbers and running states This is part of the channel list 4 and shows the corresponding channel number The background color signals the running state of each channel The background colours means the following Black the channel is switched off Green the channel is switched on Yellow the channel is switched on but no regulation CV CC is active Orange the channel is switched on but ha...

Страница 14: ...tary encoder Turning the rotary encoder counter clockwise will mark the channel above the current channel and turning clockwise will mark the channel below the current channel 3 2 2 Menu Screen By pressing the left button in Main screen the display will switch to the menu screen that looks similar to the image below back to Main screen by pressing left button The menu screen shows menu entries to ...

Страница 15: ...CAN BUS BITRATE Set CAN bus bitrate CAN BUS ADDRESS Set CAN bus ID DISPLAY POWER SAVE Set display power safe mode RESET SET VALUES Reset all set values FACTORY RESET Reset all settings to factory default HARDWARE LIMITS Shows hardware limits Vmax and Imax This screen is automatically shown if the hardware limits were changed SUPPLY TEMP Shows supply voltages and temperature INFO Shows serial numbe...

Страница 16: ...lues e g voltage ramp speed is edited a little bit different The selected value is also shown at the bottom of the display but with a digit hilighted by a cursor A short press on the rotary encoder button and the cursor will jump to the next lower digit Turning the rotary encoder changes the selected value in the resolution of the corresponding digit A submit and save of the selected value is done...

Страница 17: ...i lighted by a cursor A short press on the rotary encoder button and the cursor will jump to the next lower digit Turning the rotary encoder changes the selected value in the resolution of the digit Submit and apply of the edit value is done by pressing and holding the rotary encoder button for more than one second There are two modes of editing available manual and auto apply In manual mode the e...

Страница 18: ...ures 3 5 1 Hardware Limit The maximum output voltage for all channels hardware voltage limit is defined through the position of the corresponding potentiometer Vmax The maximum output current for all channels hardware current limit is defined through the position of the corresponding potentiometer Imax The greatest possible set value for voltage and current is given by Vmax 2 and Imax 2 respective...

Страница 19: ...input HV disabled Option 3 NIU INHIBIT signal logic HIGH active HIGH HV generation stopped default state HIGH internal pull up resistor applied open INHIBIT signal input HV disabled Option 4 NID INHIBIT signal logic HIGH active HIGH HV generation stopped default state LOW internal pull down resistor applied open INHIBIT signal input HV enabled The INHIBIT signal must be applied for at least 100 ms...

Страница 20: ...e hardware regulation signals constant voltage CV or constant current CC are sampled every millisecond by the microprocessor Once the constant current mode is active the programmed timeout counter is decremented If the HV channel returns to constant voltage mode before timeout i e Iout Iset the counter will be reset So this process can be restarted if the current rises again To guarantee a suffici...

Страница 21: ...ery small currents picoampere for these HV modules For the software comparison a delay between 80 milliseconds and 1 second must be expected This depends on the modules ADC Analog to digital converter configuration This time can be adjusted by changing the ADC sample rate to meet the requirements of the application Higher ADC sample rates lead to shorter delays but also reduce the resolution If th...

Страница 22: ... voltage is automatically adjusted according to the formula V Vref a T Tref a VCT coefficient Example A channel is set to 60V At the time it is switched on a temperature of 25 C is measured The VCT coefficient is set to 1V K If the temperature now increases to 26 C the output voltage will increase to 61V For channels with a negative output voltage the voltage changes from 60V to 61V A VCT coeffici...

Страница 23: ...specifies the logic of single channel INHIBIT signal see chapter 3 5 3 Single channel Inhibit for details 4 3 L Lower output current HP only The output current is limited to a lower value e g 100 µA 4 4 T10 Lower temperature coefficient HP only Improved temperature coefficient of 10ppm K NHS NIM standard High Voltage Power Supply Last changed on 16 01 2020 www iseg hv com 23 30 ...

Страница 24: ...5 Dimensional Drawings Figure 1 Dimensional Drawing NHS Figure 2 detailed view of Figure 1 Safety Loop SL NHS NIM standard High Voltage Power Supply Last changed on 16 01 2020 www iseg hv com 24 30 ...

Страница 25: ...Figure 3 backplane with VCT option NHS NIM standard High Voltage Power Supply Last changed on 16 01 2020 www iseg hv com 25 30 ...

Страница 26: ...ART NUMBERS manufacturer code iseg accessory parts item code POWER SUPPLY SIDE CABLE SIDE SHV ROSENBERGER Socket 57S501 200N3 Connector 57K101 006N3 Z590162 S08 RADIALL Socket R317 580 000 Connector R317 005 000 Z592474 BNC Socket J01001C0028 Connector J01000A0606 CAN Socket Connector Jack plug 3 5mm VCT sensor connector Socket Connector Jack plug 2 5mm Safety Loop LEMO Socket Connector FGG 00 302...

Страница 27: ...m 1 SHV 04 HV cable shielded 30kV HTV 30S 22 2 open SHV_C04 LLL BNC 01 HV cable shielded 9kV Lemo 106330 open BNC_C01 LLL Notes 1 Length building examples 10cm 0 1 2 5m 2 5 12m 012 999m 999 Table 9 Guideline for cable ordering CONFIGURATION ORDER GUIDE item code parts NH 06 0 060 P 105 000 02 00 NIM Series Numbers of channels Class Vnom Polarity Inom nA Option hex HV Connector Customized Version 0...

Страница 28: ... Abstraction Layer https iseg hv com download SOFTWARE iCS doc isegHAL index html iCSservice API https iseg hv com download SOFTWARE iCS doc iCSservice iCSapiWebsocket_Docu html https iseg hv com download SOFTWARE iCS doc iCSservice iCSapiWebsocket_Example html isegIOC EPICS Input Output Controller https iseg hv com download SOFTWARE iCS doc isegIOC isegIOC_doc pdf https iseg hv com download SOFTW...

Страница 29: ...nds around Vset Inom nominal output current Iout output current Iset set value of output current Imon monitor voltage of output current Imeas digital measured value of current Itrip current limit to shut down the output voltage Iin input supply current Imax limit max value of output current Ilimit Current Limit Ibounds Current bounds a tolerance tube Iset Ibounds around Iset Pnom nominal output po...

Страница 30: ...ma 12 Disposal INFORMATION INFORMATION All high voltage equipment and integrated components are largely made of recyclable materials Do not dispose the device with regular residual waste Please use the recycling and disposal facilities for electrical and electronic equipment available in your country 13 Manufacturer s contact iseg Spezialelektronik GmbH Bautzner Landstr 23 01454 Radeberg OT Rossen...

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