Caen N1471 Technical Information Manual

4 ch. programmable hv power supply
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NPO:
00112/07:N1471.MUTx/01
Technical
Information
Manual
Revision n. 1
24 March 2010
4 CH. PROGRAMMABLE
MOD. N1471
HV POWER SUPPLY
MANUAL REV.1

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Summary of Contents for Caen N1471

  • Page 1 Technical Information Manual Revision n. 1 24 March 2010 MOD. N1471 4 CH. PROGRAMMABLE HV POWER SUPPLY MANUAL REV.1 NPO: 00112/07:N1471.MUTx/01...
  • Page 2 User. It is strongly recommended to read thoroughly the CAEN User's Manual before any kind of operation. CAEN reserves the right to change partially or entirely the contents of this Manual at any time and without giving any notice. Disposal of the Product The product must never be dumped in the Municipal Waste.
  • Page 3: Table Of Contents

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 TABLE OF CONTENTS GENERAL DESCRIPTION.........................7 1.1..............................7 VERVIEW TECHNICAL SPECIFICATIONS ......................8 2.1.
  • Page 4 P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.4.2.4. Remote Control: firmware upgrade ......................32 3.4.2.5. Remote Control: format EEPROM......................32 3.5.
  • Page 5 P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 . 3.11: C VSET ....................21 HANNEL DIGIT SELECTION SCREEN . 3.12: C VSET ....................21...
  • Page 6 P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 2.1: P ..........................8 ABLE OWER REQUIREMENTS 2.2: I ........................13 ABLE NTERLOCK OPERATION 2.3: M...
  • Page 7: General Description

    USB, RS232 or RS485, the latter allowing to build a N1471s’ daisy chain network. It is also controllable via TCP/IP by the Smart Fan Unit of CAEN NIM 8301 crate. Control software is available (Mod SW1470), able to manage up to 32 modules (up to 128 channels).
  • Page 8: Technical Specifications

    User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 2. Technical specifications 2.1. Packaging The Model N1471 is housed in a single width NIM module. 2.2. Power requirements Table 2.1: Power requirements Voltage Current +12 V 850 mA...
  • Page 9: Front And Back Panel

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 2.3. Front and back panel Fig. 2.1: Mod. N1471 series front panel NPO: Filename:...
  • Page 10: Fig . 2.2: Mod . N1471 Series Back Panel

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Fig. 2.2: Mod. N1471 series back panel NPO: Filename: Number of pages: Page: 00112/07:N1471.MUTx/01...
  • Page 11: Front Panel Connections

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 2.4. Front panel connections 2.4.1. Local control section Fig. 2.3: Local control panel...
  • Page 12: Hv Status Control Section

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 2.4.3. HV Status control section Fig. 2.5: N1471 HV Status control panel NAME:...
  • Page 13: Remote Communication Control Section

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Table 2.2: Interlock operation CONFIGURATION ↓ INTERLOCK MODE (§ 3.1.1) → OPEN...
  • Page 14: Rear Panel Connections

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 2.5. Rear panel connections 2.5.1. HV Channel Output Fig. 2.9: HV Channel panel and test point electrical scheme...
  • Page 15: Technical Specifications Table

    Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 2.6. Technical specifications table Table 2.3: Mod. N1471 Channel technical specifications Positive or Negative Polarity (requires internal setting, see § 4.1) Output channels: 5.5kV / 300µA...
  • Page 16: Operating Modes

    Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3. Operating modes Module control can take place either locally, or remotely, via USB or RS485 (see § 3.3). 3.1. Programmable parameters 3.1.1.
  • Page 17: Channel Settings

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.1.2. Channel settings For each channel the following parameters can be programmed and monitored either locally or remotely (see § 3.2.3):...
  • Page 18: Hv Connection

    Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.2.1. HV connection Verify the channels polarity (polarity setting is explained in § 3.5) checking that the polarity LEDs are switched on according to the programmed configuration (see § 2.4.2);...
  • Page 19: Module Settings

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.2.2. Module settings Module settings are general board settings; turn the TUNE ROTARY SWITCH until this screen is shown: Fig.
  • Page 20: Channel Settings

    Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.2.3. Channel settings In order to operate Output Channel settings: Turn the TUNE ROTARY SWITCH until the channel number to be set is displayed in the...
  • Page 21: Fig. 3.11: Channel Vset Digit Selection Screen

    Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Fig. 3.11: Channel VSET digit selection screen Push the TUNE ROTARY SWITCH: at this point the value digit becomes yellow and can be edited Fig.
  • Page 22: Fig. 3.15: Channel Vset Confirm Screen

    Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Once all the digits are set to the desired value, turn the TUNE ROTARY SWITCH until the parameter name returns blue Fig. 3.15: Channel VSET confirm screen...
  • Page 23: Group Settings

    Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Fig. 3.18: Channel EXIT screen Now by turning the TUNE ROTARY SWITCH another channel number to be set can be selected. If CONTROL MODE (see § 3.1.1) is set to REMOTE, the left lower row reports DIS (Disabled), since the channel can be accessed only via the serial links (see §...
  • Page 24: Fig. 3.21: Group Vset Access Screen

    Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Push the TUNE ROTARY SWITCH: at this point the parameter is selected, its frame is shown in red and its name in blue (only one value common to all channels; pre-set value is picked from Channel 0);...
  • Page 25: Fig. 3.25: Group Vset Digit Confirm Screen

    Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Confirm it by pushing the TUNE ROTARY SWITCH, the edited digit returns blue Fig. 3.25: Group VSET digit confirm screen Once all the digits are set to the desired value, turn the TUNE ROTARY SWITCH until the parameter name returns blue.
  • Page 26: Smileys

    1) Turn on the module, after a warm-up of about 30 minutes with operating voltage and load disconnected (no link between N1471 and detectors) then read the monitored current value Imon = I1 (offset)
  • Page 27: Remote Control

    1 Flow control: Xon Xoff It is also possible to build a daisy chain of up to 32 N1471’s, with the first module connected to the PC USB port and the subsequent ones daisy chained through the COMM IN/OUT, as explained in § 3.4.1.3; in this case communication with the chained modules is achieved through the USB - RS485 Communication Protocol, see §...
  • Page 28: Rs232 Communication

    1 Flow control: Xon Xoff It is also possible to build a daisy chain of up to 32 N1471’s, with the first module connected to the PC RS232 port and the subsequent ones daisy chained through the COMM IN/OUT, as explained in § 3.4.1.3; in this case communication with the chained modules is achieved through the USB - RS485 Communication Protocol, see §...
  • Page 29: Ethernet Communication

    Fig. 3.32: RS232 port cable adapter The CAEN Mod. NIM8301 is a 7U (5+2) full size NIM crate (19”-12 slot) available with pluggable 300W and 600W power supplies, ventilated by pluggable 2U fan unit. Remote control and monitoring take place through CAN bus, Ethernet, USB and RS232 interfaces.
  • Page 30: Communication Control

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.4.2. Communication Control As the communication is established, the Main Menu will be displayed. 3.4.2.1. Remote Control: Main Menu Fig.
  • Page 31: Fig. 3.35: Channels Menu

    Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Fig. 3.35: Channels Menu In order to change one parameter: point the parameter with the arrow keys (see figure below), and type the desired value, confirm by pressing <Enter>; Power and Power Down can be changed using the <Space>...
  • Page 32: Remote Control: Firmware Upgrade

    Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.4.2.4. Remote Control: firmware upgrade By typing U it is possible to access the firmware upgrade menu: Fig. 3.38: Firmware Upgrade Menu/1 If <y> is typed, then the following menu is shown: Fig.
  • Page 33: Usb - Rs485 Communication Protocol

    Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.5. USB - RS485 Communication Protocol The following Protocol allows to communicate with up to 32 daisy chained modules. The Protocol is based on commands made of ASCII characters strings. The protocol requires firmware revision 1.0.1 or greater.
  • Page 34: Meaning Of Status Bits (Value Read In Decimal Format)

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 String Function (Units) $BD:xx,CMD:MON,CH:X,PAR:VSET Read out VSET value ( XXXX.X V )
  • Page 35: Monitor Commands Related To The Module

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 Bit 1 → RUP 1 : Channel Ramp UP Bit 2 → RDWN 1 : Channel Ramp DOWN Bit 3 →...
  • Page 36: Meaning Of Board Alarm Bits

    P R E L I M I N A R Y Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 3.5.4.1. Meaning of Board Alarm bits Function Bit 0 → CH0 1 : Ch0 in Alarm status Bit 1 →...
  • Page 37: Internal Settings

    Document type: Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 4. Internal Settings 4.1. Polarity selection The output polarity is independently selectable for each channel. Note that the polarity is indicated by two LEDs for each channel on the front panel (see § 2.4.2).
  • Page 38: Internal Switches

    Title: Revision date: Revision: User's Manual (MUT) N1471 4 Channel Programmable HV Power Supply 24/03/2010 In order to choose the POSITIVE POLARITY, plug the diode bridge box, with the + symbol towards the connector side. In order to choose the NEGATIVE POLARITY, plug the diode bridge box, with the - symbol towards the connector side.

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