Difference between revisions of "User Manual - NIM HV Detector Bias Supply"

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This manual was written as part of a student lab exercise in the KJM-FYS 5920 course at the University of Oslo in the autumn 2010.  
 
This manual was written as part of a student lab exercise in the KJM-FYS 5920 course at the University of Oslo in the autumn 2010.  
  
Quick links: [[KJM-FYS 5920 Lab Exercise 4 - Student Written Equipment User Manuals|KJM-FYS 5920 Lab Exercise 4]] | [[KJM-FYS 5920 @ UiO - Autumn 2010|KJM-FYS 5920 Course]] Main author (student):  
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Quick links: [[KJM-FYS 5920 Lab Exercise 4 - Student Written Equipment User Manuals|KJM-FYS 5920 Lab Exercise 4]] | [[KJM-FYS 5920 @ UiO - Autumn 2010|KJM-FYS 5920 Course]] Main author (student): Tomas
  
Co-author (student):  
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Co-author (student): Martin
  
 
Lab supervisor: [mailto:hildethn@student.matnat.uio.no Hilde-Therese Nyhus] (PhD-student)  
 
Lab supervisor: [mailto:hildethn@student.matnat.uio.no Hilde-Therese Nyhus] (PhD-student)  
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Responsible teacher: Prof. [mailto:j.p.omtvedt@kjemi.uio.no Jon Petter Omtvedt]  
 
Responsible teacher: Prof. [mailto:j.p.omtvedt@kjemi.uio.no Jon Petter Omtvedt]  
  
==== User Manual for NIM Gate and Delay Generator ====
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==== User Manual for NIM HV Detector Bias Supply ====
  
Your text here!
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The HV-unit used in this exercise is a C.A.E.N Mod. N 470. It has 4 independent HV channels able to supply four output voltages from 0 up to ±8kV, in three different ranges: 0 to ±3kV / 3mA (max), ±3kV to ±4kV / 2mA (max), and ±4kV to ±8kV / 1mA (max). The polarity of a channel is showed by a LED on the front panel, and is changed by reversing the relevant diode bridge inside the unit.<br>The HV output connectors on the back panel are SHV type, all other connectors are LEMO 00 type.
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All the operational parameters can be programmed via the front panel keyboard, and monitored on two alphanumeric displays on the front of the device.
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An operational parameter is changed by pressing F + function number + # + new setting + #. With some functions it is only nescessary to dial F + function number + #, like with the on and off functions.<br>The most important functions of the device, and also the functions used in this exercise are:[[Image:HV-unit front.jpg|thumb|right|Front of the HV unit.]]<br>F 0: Choose channel (0-3)<br>F 1: Voltage<br>F 2: Current limiter<br>F 8: Ramp up (increase of voltage/sec)<br>F 10: Channel on<br>F 11: Channel off
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Above the keyboard, there is an HV enable master switch. This switch allows one to enable or disable the HV of all the active channels simultaniously. It must be in the enabled position in order for the channel(s) to provide HV. The switch is secured such that one have to pull it outwards before it can be flipped.
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There are also 9 LEDs on the front panel which shows the status of the selected channel.<br>1. On<br>2. Off<br>3. OVC – Over current<br>4. OVV – Over voltage<br>5. UNV – Under voltage<br>6. TRIP<br>7. RAMP UP<br>8. RAMP DOWN<br>9. MAXV – Max voltage<br><br>
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[[Category:User_manual]]
 
[[Category:User_manual]]

Latest revision as of 09:57, 3 November 2010

This manual was written as part of a student lab exercise in the KJM-FYS 5920 course at the University of Oslo in the autumn 2010.

Quick links: KJM-FYS 5920 Lab Exercise 4 | KJM-FYS 5920 Course Main author (student): Tomas

Co-author (student): Martin

Lab supervisor: Hilde-Therese Nyhus (PhD-student)

Responsible teacher: Prof. Jon Petter Omtvedt

User Manual for NIM HV Detector Bias Supply

The HV-unit used in this exercise is a C.A.E.N Mod. N 470. It has 4 independent HV channels able to supply four output voltages from 0 up to ±8kV, in three different ranges: 0 to ±3kV / 3mA (max), ±3kV to ±4kV / 2mA (max), and ±4kV to ±8kV / 1mA (max). The polarity of a channel is showed by a LED on the front panel, and is changed by reversing the relevant diode bridge inside the unit.
The HV output connectors on the back panel are SHV type, all other connectors are LEMO 00 type.

All the operational parameters can be programmed via the front panel keyboard, and monitored on two alphanumeric displays on the front of the device.

An operational parameter is changed by pressing F + function number + # + new setting + #. With some functions it is only nescessary to dial F + function number + #, like with the on and off functions.
The most important functions of the device, and also the functions used in this exercise are:
Front of the HV unit.

F 0: Choose channel (0-3)
F 1: Voltage
F 2: Current limiter
F 8: Ramp up (increase of voltage/sec)
F 10: Channel on
F 11: Channel off

Above the keyboard, there is an HV enable master switch. This switch allows one to enable or disable the HV of all the active channels simultaniously. It must be in the enabled position in order for the channel(s) to provide HV. The switch is secured such that one have to pull it outwards before it can be flipped.

There are also 9 LEDs on the front panel which shows the status of the selected channel.
1. On
2. Off
3. OVC – Over current
4. OVV – Over voltage
5. UNV – Under voltage
6. TRIP
7. RAMP UP
8. RAMP DOWN
9. MAXV – Max voltage