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Caen N568 B Скачать руководство пользователя страница 15

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Revision:

User's Manual (MUT)

Mod. N568B/LC 16 Ch Spectroscopy Amplifiers

26/01/2007

4

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Page:

N568B_N568LC_REV4.DOC

37

15

3.3 H. S. CAENET

The H. S. CAENET Network is a send and receive half duplex system; It enables the asynchronous
serial transmission (1 MBaud rate) of data packets along a simple 50 Ohm coaxial cable. Several
devices (H. S. CAENET nodes) are able to share the same media to transmit and receive data. Each
node is able to receive the serial data packet and store it automatically in a FIFO (RX FIFO) and
transmit the data contained in another FIFO (TX FIFO). Both FIFOs are 512 byte deep.

Usually transfers between H. S. CAENET nodes take place according to the typical Master/Slaves
communication:

- There is a single Master : H. S. CAENET controller

- The Slaves are daisy chained on the network, and are identified by an address code

(from 1 to 99);

- the H. S. CAENET Master initiates the transmission, all the Slaves receive the data,

and only the Slave addressed then accesses the serial line to transmit the data
requested by the Master.

- The maximum data packet length is 512 bytes.

The address of the H. S. CAENET node of the N568B/LC (Station #) is selectable via front panel
thumb-wheels, and its value ranges from 1 to 99. In this way up to 99 modules may be controlled from
a single point via one of the following CAEN H. S. CAENET Controllers:

A1303 H. S. CAENET PC Controller (PCI bus);
A303A H. S. CAENET PC Controller;
A303 H. S. CAENET PC Controller;
A250 H. S. CAENET Manual Controller;
C117B H. S. CAENET CAMAC Controller;
V288 H. S. CAENET VME Controller.

To avoid reflections it is necessary to terminate the H. S. CAENET line on a 50

Ω

impedance. This is

accomplished by inserting a 50

Ω

impedance terminator in one of the two LEMO 00 type connectors

(IN/OUT) of the last module of the chain.

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Содержание N568 B

Страница 1: ...Technical Information Manual MOD N568 B MOD N568 LC 26 January 2007 Revision n 4 16 CHANNEL Spectroscopy Amplifiers...

Страница 2: ...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...

Страница 3: ...G 13 3 2 5 GAIN SETTING 14 3 2 6 POLE ZERO ADJUSTMENT 14 3 2 7 OFFSET SETTING 14 3 3 H S CAENET 15 4 H S CAENET OPERATION 16 4 1 USING THE H S CAENET MANUAL CONTROLLER 16 4 2 USING THE H S CAENET VME...

Страница 4: ...Packet response to code 0 36 LIST OF FIGURES FIG 1 1 N568B LC BLOCK DIAGRAM 7 FIG 1 2 N568B LC CHANNEL BLOCK DIAGRAM 7 FIG 2 1 MOD N568B LC FRONT PANEL 11 FIG 3 1 FOUT CONFIGURATION 13 FIG 4 1 MOD N56...

Страница 5: ...UCTURE 26 TABLE 4 12 HS CAENET PC CONTROLLERS REGISTERS 27 TABLE 4 13 N568B N568LC BOARD ITEMS 28 TABLE 4 14 N568B N58LC CHANNEL ITEMS 31 TABLE 4 15 MASTER TO SLAVE DATA COMPOSITION 32 TABLE 4 16 SLAV...

Страница 6: ...MON OFFSET can be programmed via CAENET and allows to shift the baseline of the output An FOUT output provides a fast amplification for timing purposes fixed gain factor of 20 A MUX O and a MUX F outp...

Страница 7: ...UT OUT FAST CHANNEL 0 IN CONTROL VOFFSET POWER SUPPLY OUT OUT x10 MUX O FAST OUT MUX F MUX F CHANNEL 1 IN CONTROL VOFFSET POWER SUPPLY OUT OUT x10 MUX O FAST OUT MUX F CHANNEL 14 IN CONTROL VOFFSET PO...

Страница 8: ...r left pin ground right pin signal N 1 XOUT 0 15 output connector 17 17 pin double row strip header left pin ground right pin signal N 1 FOUT 0 15 output connector 17 17 pin double row strip header le...

Страница 9: ...ion Time Constant 4 V max into 100 load Risetime 25 ns typically Gain factor 7 to 10 for both inverting and non inverting configuration MUX O 100 impedance Unipolar 8 V max 1 Mohm load polarity as sel...

Страница 10: ...ual MUT Mod N568B LC 16 Ch Spectroscopy Amplifiers 26 01 2007 4 Filename Number of pages Page N568B_N568LC_REV4 DOC 37 10 2 3 POWER REQUIREMENTS 12 V 2300 mA Maximum inputs on all 16 channels 12 V 105...

Страница 11: ...N568B LC Front Panel POWER OUT FOR STATION NUMBER H S CAENET CONNECTORS SCALER 16 CH Mod V560E M o d N 568 B 16 CH SPECTROSCOPY HIGH STATION 1 8 PWR MAN CTR OUTPUTS SELECTOR MANUAL CONTROLLER INPUTS...

Страница 12: ...he output polarity positive or negative c set the shape d set the coarse gain e set the fine gain f set the pole zero adjustment g set the offset h enable or disable the multiplexed output Once perfor...

Страница 13: ...T POLARITY SETTING This setting can be done either via Manual Controller or via H S CAENET It allows the internal electronics to operate at its best on the signals It must be set according to the inpu...

Страница 14: ...Gain values Input Signals risetime 10 s Shape Times 0 2 s 1 s 3 s 6 s Fine Gain Fine Gain Fine Gain Fine Gain Coarse Gain 0 255 0 255 0 255 0 255 0 0 15 0 6 1 13 1 25 7 38 02 153 64 286 45 322 91 Tabl...

Страница 15: ...laves are daisy chained on the network and are identified by an address code from 1 to 99 the H S CAENET Master initiates the transmission all the Slaves receive the data and only the Slave addressed...

Страница 16: ...al Controller The Mod A250 has been designed to control a H S CAENET node via 50 coaxial cable The sequence of display pages in the Manual Controller is not exactly as in the suggested first settings...

Страница 17: ...f the Channel Number by 1 Channel values 0 to 15 This number indicates the Channel on which all following settings are performed By pressing the key the blinking toggles to the PZ Pole Zero adjustment...

Страница 18: ...ble to disable or enable the Multiplexed Outputs The status of the Multiplexed Outputs will appear in the XXXXXXXX field Disabled or Enabled 4 2 USING THE H S CAENET VME CONTROLLER The Mod N568B LC ca...

Страница 19: ...te accesses as follows Table 4 2 Master to Slave data composition V288 case Order Operation Address Datum HEX Meaning 1 Write Base Ad 0 0001 H S CAENET Controller identified code 2 Write Base Ad 0 00X...

Страница 20: ...or messages generated by the C117B itself when the H S CAENET operation has failed see Table 4 10 The standard CAMAC functions listed in Table 4 4 allow the User to perform the required control and se...

Страница 21: ...a buffer The LAM is cleared whenever the last datum has been read If the LAM has not been enabled after the F 17 N function the F 0 N function must be repeated until a Q 1 response is obtained The rea...

Страница 22: ...12 m Set Channel n Pole Zero Adjustment n13 q Set Channel n Shape n14 b Set Channel n Output Polarity n15 b Set Channel n Output Configuration 16 m Set Offset Value 20 Disable Multiplexed Outputs 21 E...

Страница 23: ...ails in a range 50 500 s Operating Code 13 the allowed Shape values for each Channel are 0 to 3 corresponding to the Shaping Time Values as follows Table 4 9 Shape Values Code 13 Set Shape Value 0 0 2...

Страница 24: ...ier s first word Module Identifier s sixteenth word Operating Code 1 the N568B LC response to a Read all Parameters for all Channels Offset Value is a group of 50 words 16 bit structured as follows Er...

Страница 25: ...ed Ch Not Used MUX Enable Status 0 Disabled Not Used 1 Enabled Operating Codes 10 through 16 the N568B LC response to any of the 7 Set operations is the Error Code Error Code 4 5 1 Error Codes descrip...

Страница 26: ...y via a standard PC through the Mod A303 A303A and A1303 H S CAENET PC Controllers The Mod A303 is an 8 bit interface board that can be directly inserted into a std I O PC 8 bit slot and it is mapped...

Страница 27: ...buffers and resets all the Interrupt signals RX FIFO Base Ad 0 read RX FIFO 512 byte max depth Receive Data Buffer STATUS REGISTER Base Ad 1 read 8 bit Status register RESET INTERRUPT Base Ad 2 read R...

Страница 28: ...ser s manual for further details A read access to the LastCh EU item returns a string with the Latest Channel Engineering Units A read access to the LastCh HighEU item returns the highest possible Lat...

Страница 29: ...Fine Gain see the board User s manual for details A read access to the FineGain EU item returns a string with the Fine Gain Engineering Units A read access to the FineGain HighEU item returns the high...

Страница 30: ...see the board User s manual for further details A read access to the OutPol CoClose item returns back the label Negative associated to Negative output polarity A read access to the OutPol CoOpen item...

Страница 31: ...N568B BoardXX ChanYYY PoleZAdj EU String R Pole Zero Adjustment EU N568B BoardXX ChanYYY PoleZAdj HighEU 8 byte integer R Pole Zero Adj upper limit N568B BoardXX ChanYYY PoleZAdj LowEU 8 byte integer...

Страница 32: ...troller Case The answer data coming from the N568B LC are automatically stored into the HS CAENET controller Receive Data buffer and therefore are available to the User The following Table shows the s...

Страница 33: ...able Multiplexed Outputs n is the Channel Number 0 to F for a selected channel 10 for a set read in common to all Channels allowed values HEX m 0 to FF p 0 to 7 q 0 to 3 b 0 to 1 4 10 SET VALUES Opera...

Страница 34: ...erating Code 14 the allowed Output Polarity values for each Channel are 0 or 1 corresponding respectively to Positive 0 or Negative 1 Output Polarity Operating Code 15 the allowed Output Configuration...

Страница 35: ...egister word CH 0 Low Byte of the Fine Gain Value word CH 1 High Byte of the Status Register word CH 15 Low Byte of the Offset Value word High Byte of the Offset Value word The Fine Gain Value and the...

Страница 36: ...des 10 through 16 the N568B LC response to any of the 7 Set operations is the Error Code Low Byte of the Error Code High Byte of the Error Code 4 11 1 Error Codes description The Error Codes provided...

Страница 37: ...ctroscopy Amplifiers 26 01 2007 4 Filename Number of pages Page N568B_N568LC_REV4 DOC 37 37 Table 4 21 Module Identifier Data Packet Structure Word Contents High byte 15 8 Low byte 7 0 2 0 N 3 0 5 4 0...

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