Summary of Contents for Caen N1419
- Page 1 CAEN Electronic Instrumentation Tools for Discovery UM2619 N1419 User Manual Rev. 2 - 22 March 2013...
- Page 2 CAEN declines all responsibility for damages or injuries caused by an improper use of the Modules due to negligence on behalf of the User. It is strongly recommended to read thoroughly the CAEN User's Manual before any kind of operation.
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Page 3: Table Of Contents
Internal Settings ....................... 34 Polarity selection ..............................34 Internal switches ..............................36 Local Bus termination ................................36 RS485 – RS232 conversion ..............................36 List of Figures Fig. 1: Mod. 1419 series ...................................5 Fig. 2: Backplane NIM connector ................................7 UM2619 – N1419 User Manual... - Page 4 Electronic Instrumentation CAEN Fig. 3: Mod. N1419 series front panel (std., A, B) ............................8 Fig. 4: Mod. N1419 series back panel (std., A, B) .............................9 Fig. 5: Local control panel ..................................10 Fig. 6: Channel control panel and Kill scheme ............................10 Fig.
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Page 5: General Description
Overview Fig. 1: Mod. 1419 series The Mod. N1419 provides 4 independent High Voltage channels in a single width NIM mechanics. Two and one channel versions (N1419A and N1419B) are also available. Each channel can provide a ±500V / 200 µA max output. -
Page 6: Technical Specifications
Electronic Instrumentation CAEN Technical specifications Packaging The Mod. N1419 boards are housed in a single width NIM modules. Power requirements Table 2: Power requirements Board type N1419 without A1480 with A1480 Channel configuration N° ch ON Current (± 12V) Current (±6V) n°... -
Page 7: Fig. 2: Backplane Nim Connector
Electronic Instrumentation CAEN Fig. 2: Backplane NIM connector UM2619 – N1419 User Manual... -
Page 8: Front And Back Panel
Electronic Instrumentation CAEN Front and back panel Fig. 3: Mod. N1419 series front panel (std., A, B) UM2619 – N1419 User Manual... -
Page 9: Fig. 4: Mod. N1419 Series Back Panel (Std., A, B)
Electronic Instrumentation CAEN Fig. 4: Mod. N1419 series back panel (std., A, B) UM2619 – N1419 User Manual... -
Page 10: Front Panel Connections
HV On enabled The channel is KILLED either as the +/- contacts are open or as a REMOTE KILL AMP 280370-2 +4÷6Vdc voltage is fed to pin - Positive polarity GREEN LED YELLOW LED Negative polarity UM2619 – N1419 User Manual... -
Page 11: Hv Status Control Section
Electronic Instrumentation CAEN HV Status control section Fig. 7: N1419 HV Status control panel NAME: TYPE: SIGNAL: FUNCTION: HV On enabled (at least one channel ON) RED LED Alarm status signalled (active LOW) ALARM RED LED/ AMP 280371-2. Interlock signal... -
Page 12: Remote Communication Control Section
USB2.0 compliant realized via USB ↔ RS232 FT232BM converter B TYPE USB RS 485 Serial Port Interface allows to control up to 32 modules connected by a twisted pair cable; the first and last modules must be terminated, see p.36. UM2619 – N1419 User Manual... -
Page 13: Rear Panel Connections
0.5nA resolution (instead of 5 nA), in the 0 – 20 µA range. It is important to notice that, if Imon Range = LOW is selected, and the channel draws a current larger than 20 µA, then Overcurrent is signalled. UM2619 – N1419 User Manual... -
Page 14: Technical Specifications Table
Electronic Instrumentation CAEN Technical specifications table Table 4: Mod. N1419 Channel technical specifications Output channels: Positive or Negative Polarity (requires internal setting, see p. Errore. Il segnalibro non è definito.) Output ranges: 500 V / 200µA Max. Ch. Output Power:... -
Page 15: Operating Modes
Electronic Instrumentation CAEN Operating modes CAUTION: N1419 MUST BE USED ONLY IN CRATES WITH FORCED COOLING AIR FLOW! Module control can take place either locally, or remotely, via USB or RS485 (see p. 24). Programmable parameters Boards parameters General board parameters (CONTROL can be operated both in LOCAL and REMOTE mode; other monitor and settings are allowed in LOCAL mode only;... -
Page 16: Channel Settings
Power Down Power Down mode after channel TRIP KILL or RAMP Trip Maximum time an "overcurrent" is allowed to last expressed in seconds (see p.14) Imon Range Current Monitor Zoom 10x (optional) H or L UM2619 – N1419 User Manual... -
Page 17: Local Control
The KILL position of the HV_EN/OFF/KILL 3 POS. SWITCH allows to turn off the module at the fastest available rate; the Display will show the following message in the left lower row: Fig. 16: Channel KILL status screen UM2619 – N1419 User Manual... -
Page 18: Module Settings
(for example CONTROL), then select it by pushing the ROTARY SWITCH (the parameter is shown with a red frame as long as it is active): Fig. 19: Mode settings edit screen Select the desired value by turning the TUNE ROTARY SWITCH and confirm it by pushing the switch itself. UM2619 – N1419 User Manual... -
Page 19: Channel Settings
Turn the TUNE ROTARY SWITCH until the value digit to be edited is shown in blue, the parameter name in yellow Fig. 23: Channel VSET digit selection screen Push the TUNE ROTARY SWITCH: at this point the value digit becomes yellow and can be edited UM2619 – N1419 User Manual... -
Page 20: Fig. 24: Channel Vset Digit Access Screen
Fig. 28: Channel VSET de-select screen It is now possible to set another parameter; note that the POWER DOWN and IMRANGE setting has not digits to be edited, but two options, TRIP/KILL and HIGH/LOW respectively: UM2619 – N1419 User Manual... -
Page 21: Group Settings
Turn the TUNE ROTARY SWITCH until the parameter to be set (for example VSET) is displayed in the right column (all four channels values). Fig. 32: Group active Mod. N1419B has not group settings; Mod. N1419A has group settings, 2 channels values are displayed UM2619 – N1419 User Manual... -
Page 22: Fig. 33: Group Vset Access Screen
Turn the TUNE ROTARY SWITCH until the digit reaches the desired value Fig. 36: Group VSET digit adjust screen Confirm it by pushing the TUNE ROTARY SWITCH, the edited digit returns blue Fig. 37: Group VSET digit confirm screen UM2619 – N1419 User Manual... -
Page 23: Smileys
Turn on the module, after a warm-up of about 30 minutes with operating voltage and load disconnected (no link between N1419 and detectors) then read the monitored current value Imon = I1 (offset) Turn off the channel and connect the load... -
Page 24: Remote Control
Flow control: Xon Xoff It is also possible to build a daisy chain of up to 32 N1419’s, with the first module connected to the PC USB port and the subsequent ones daisy chained through the COMM IN/OUT, as explained on p.30 ; in this case communication with the chained modules is achieved through the USB - RS485 Communication Protocol, see p.30. -
Page 25: Rs485 Communication
CAEN It is also possible to build a daisy chain of up to 32 N1419’s, with the first module connected to the PC RS232 port and the subsequent ones daisy chained through the COMM IN/OUT, as explained on p.12; in this case communication with the chained modules is achieved through the USB - RS485 Communication Protocol . -
Page 26: Communication Control
Electronic Instrumentation CAEN Fig. 44: RS232 port cable adapter Communication Control In order to launch the communication, type CAEN and then <Enter> As the communication is established, the Main Menu will be displayed. Remote Control: Main Menu Fig. 45: Main Menu... -
Page 27: Remote Control: General Menu
Fig. 48: PC keyboard When one parameter is active, by typing G it is possible to make a “group setting”, i.e. broadcast the same value to all channels (the parameter becomes active on all channels, see figure). UM2619 – N1419 User Manual... -
Page 28: Remote Control: Firmware Upgrade
Fig. 51: Firmware Upgrade Menu/2 At this point it is necessary to upload the updated firmware. If "HyperTerminal" is used it is necessary to perform "Transfer" and "Send Text File" operations by selecting the file "N1419.xxx" UM2619 – N1419 User Manual... -
Page 29: Remote Control: Format Eeprom
Once channels are off and disconnected from the load, type y; at this point the program asks for the current value (VSET) selected for the offset compensation, such value is common to all channels; factory calibration is performed at 250V, type VSET then press <ENTER> Fig. 54: Current offset calibration VSET selection UM2619 – N1419 User Manual... -
Page 30: Usb - Rs485 Communication Protocol
Each string is terminated by < CR, LF > MONITOR commands related to the Channels The following table contains the strings to be used to handle monitor commands related to the Channels. UM2619 – N1419 User Manual... -
Page 31: Meaning Of Status Bits (Value Read In Decimal Format)
Read out Channel status value ( XXXXX ) Meaning of STATUS bits (value read in decimal Format) Function Bit 0 → ON 1 : ON 0 : OFF Bit 1 → RUP 1 : Channel Ramp UP UM2619 – N1419 User Manual... -
Page 32: Monitor Commands Related To The Module
The following table shows the strings to be used to handle monitor commands related to the module. String Function (Units) $BD:xx,CMD:MON,PAR:BDNAME Read out module name ( N1419 ) $BD:xx,CMD:MON,PAR:BDNCH Read out number of Channels present ( 1, 2, 4 ) $BD:xx,CMD:MON,PAR:BDFREL Read out Firmware Release ( XX.X ) -
Page 33: Meaning Of Board Alarm Bits
SET commands related to the module String Function (Units) $BD:xx,CMD:SET,PAR:BDILKM,VAL:OPEN/CLOSED Set Interlock Mode $BD:xx,CMD:SET,PAR:BDCLR Clear alarm signal N is the number of channels parameter 'IMRANGE' can be changed only on modules featuring IMON zoom (optional) UM2619 – N1419 User Manual... -
Page 34: Internal Settings
At this point it is possible to change the channel polarity: refer to the following figure (the blue arrow indicates diode bridge box placed to configure channel as POSITIVE). • During this operation pay attention not to bend the pins, as they are plugged completely in their sockets UM2619 – N1419 User Manual... -
Page 35: Fig. 57: Polarity Selection Instructions
Always pull and plug the diode bridge box by holding it on the handle pointed by the arrow in Fig. above. Once settings are done, put the right side cover back in place with screws 1, 2, 3, 4, 5, 6. UM2619 – N1419 User Manual... -
Page 36: Internal Switches
12), allows to terminate the Local Bus for daisy chain purposes (see p. 24); dot NOT visible = Termination ON. RS485 – RS232 conversion The SW[200, 201] switch placed on the Microcontroller board inside the module, allows to adapt RS485 signals to RS232; dot visible = Adaptation ON. UM2619 – N1419 User Manual... - Page 37 Tools for Discovery Guide GD2619 - N1419 User Manual rev. 1 - 30 November 2012 00106-11-N1419-MUTX UM2619 – N1419 User Manual Copyright © CAEN SpA. All rights reserved. Information in this publication supersedes all earlier versions. Specifications subject to change without notice.
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