RoentDek Crate Controller CCC1 Manual

RoentDek
Handels GmbH
Supersonic Gas Jets
Detection Techniques
Data Acquisition Systems
Multifragment Imaging Systems
CAMAC Crate Controller (CCC1) Manual
(Version 6.2.90.2)
Mail Addresses:
Headquarter
RoentDek Handels GmbH
Im Vogelshaag 8
D-65779 Kelkheim-Ruppertshain
Germany
Frankfurt subsidiary
RoentDek Handels GmbH
c/o Institut für Kernphysik
Max-von-Laue Str. 1
D-60438 Frankfurt am Main
Germany
Web-Site:
www.roentdek.com
Product names used in this publication are for identification purposes only and may be trademarks of their respective companies.
All rights reserved. Technical changes may be made without prior notice. The figures are not binding.
We make no representations or warranties with respect to the accuracy or completeness of the contents of this publication
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CCC1 Manual (Version 6.2.90.2)
Table of Contents
1
INTRODUCTION ...................................................................................................................................................... 5
1.1
1.2
1.3
1.4
1.5
FEATURES .............................................................................................................................................................. 5
APPLICATIONS ....................................................................................................................................................... 5
COMPONENTS ........................................................................................................................................................ 5
OPERATING MODES ............................................................................................................................................... 5
POWER REQUIREMENTS ......................................................................................................................................... 5
2
HARDWARE INSTALLATION............................................................................................................................... 7
3
PROGRAMMING THE CAMAC SYSTEM ........................................................................................................... 9
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
FUNCTION CODE .................................................................................................................................................... 9
SUBADDRESS ......................................................................................................................................................... 9
STATION NUMBER ................................................................................................................................................. 9
STATUS INFORMATION .......................................................................................................................................... 9
COMMON CONTROL SIGNALS ................................................................................................................................ 9
EVENT INFORMATION .......................................................................................................................................... 11
LAM CONTROL ................................................................................................................................................... 11
SELECTING LAM SOURCE.................................................................................................................................... 12
SELECTING INTERNAL LAM SOURCE ................................................................................................................... 13
4
EVENT CONTROL ................................................................................................................................................. 15
5
SELECTING THE RESET SOURCE .................................................................................................................... 17
6
SELECTING THE IO ADDRESS OF THE IO CARD (ISA IO-CARD ONLY) ............................................... 19
7
CCC1 COMMANDS AND ADDRESSES .............................................................................................................. 21
7.1
7.2
7.3
7.4
8
INTERNAL FUNCTION CODES ............................................................................................................................... 21
I/O CARD CONTROL - REGISTERS ........................................................................................................................ 21
I/O CARD COMMAND........................................................................................................................................... 21
I/O CARD STATUS REGISTER INFORMATION BYTE .............................................................................................. 21
USING THE CCC1 IN COBOLDPC...................................................................................................................... 23
8.1
THE DAQ MODULE ............................................................................................................................................. 23
8.1.1
The CAMAC Information File (CAMAC.CIF) ............................................................................................ 23
8.1.2
Parameters used by the Standard CCC1-DAQ module .............................................................................. 24
8.1.3
The Header Information of the ListMode File ............................................................................................ 24
8.1.3.1
8.1.3.2
8.2
9
The Standard CoboldPC Header ...............................................................................................................................24
The CCC1 User Defined Header...............................................................................................................................25
THE DAN MODULE ............................................................................................................................................. 25
FINAL NOTES: ........................................................................................................................................................ 27
LIST OF FIGURES.......................................................................................................................................................... 29
CCC1 Manual (Version 6.2.90.2)
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CCC1 Manual (Version 6.2.90.2)
1
Introduction
You have purchased RoentDek CAMAC Crate Controller (CCC1) product.
The RoentDek-CCC1 is a double-width CAMAC Crate Controller. This controller conforms to all applicable CAMAC
specifications, except that it controls only station number 1-16. The controller comes with an integrated simple EventController and a PC-IO card.
If you need additional information please contact [email protected]. We are permanently improving our
documentations.
1.1 Features
•
•
•
•
•
•
•
Provides an interface between a PC and a CAMAC Crate
Acts as main crate controller
Controls modules in station numbers 1-16
Data Readout Rate up to 120kB/s
Support LAM
Support Q and X response
Simple Event-Controller implemented
1.2 Applications
•
•
•
Laboratory automation
Process control
CAMAC I/O in a PC-controlled system
1.3 Components
•
•
•
CCC1 Module
I/O board for PC (ISA)
Connection cable (CCC1 to I/O card)
1.4 Operating Modes
All commands and data information are passed between the IO-card and the CCC1
in binary form, not ASCII characters.
1.5 Power requirements
+6V → up to 700mA
−6V → up to 100mA
Figure 1.1: CCC1 Front Panel
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2
Hardware Installation
Locate a free ISA slot in your PC.
Make sure the power cord is removed from the computer to verify that the main board of your PC is really without
any power!
Before inserting the CCC1-IO card please select a proper IO address (see chapter 6). Usually the default IO address (Hex
340) will function well. If the IO address is occupied by other ISA cards you have to change it. How to change the IO
address is described in Chapter “Selecting the IO Address of the IO Card”. After applying the IO address insert the card
smoothly into the free ISA slot of your PC. Close the PC and apply the power to the computer. If the computer will not start
the usual way, please select an other IO address!
Usually the card will not be detected by the “Hardware Wizard” of Windows 2000 or Windows XP and will also not be
displayed as a device in the “Device Manager” but even though the card will work correct in your PC especially with the
CoboldPC software.
Please be aware that it is not possible to access IO addresses directly in Operating System like Windows NT, Windows 2000
or Windows XP. In Dos, Windows 9x and WindowsMe it is possible. The CoboldPC Software handles this issue correct. If
you are writing your own DAQ-System software please contact RoentDek to help you handling this IO subject on the
specified operating systems.
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3
Programming the CAMAC System
The following provides a brief introduction to the parameters involved in programming a CAMAC system. A more detailed
description is available in the IEEE Standard 583-1975, Molecular Instrumentation and Digital Interface System.
The CAMAC standard provides guidelines for control of the 25-station CAMAC crate by a crate controller residing in station
24 and 25 (or usually the two highest stations numbers in the crate).
Communication between the crate controller and the modules is accomplished via dataway commands. Three parameters
common to the dataway commands are: FUNCTIONCODE, SUBADDRESS and STATIONNUMBER. The commands
can be separated into three major groups: the read commands, the write commands and the control commands. The crate
controller generates the necessary timing signals to execute the commands.
Status information is conveyed from the module to the crate controller via the LookAtMe (LAM) line and the Q response
and command accepted busses. Each station in the crate has a LAM line. The module may use the LAM to asynchronously
inform the crate controller that it requires attention. The Q and X bus are used by the addressed module to convey status
during the dataway command cycle.
There are three common control signals on the CAMAC dataway. These are INITIALIZE, CLEAR and INHIBIT.
3.1 Function Code
The Function code (F), ranging from 0 to 31 (decimal), determines which of three command groups a particular command
belongs to.
The read command group includes commands with F ranging from 0 to 7 (decimal). Execution of a read command initiates
the transfer of data from the addressed module to the crate controller. Data are transferred on the 24 bit read bus (R1-R24).
Modules which do not use the full 24 bit word, such as a 12 bit ADC, will normally use the lower segment of the word, and
the unused segment will be read as zero.
The write command group consists of those commands with F greater than 15 (decimal) and smaller than 24 (decimal).
Execution of a write command initiates the transfer of data from the crate controller to the addressed module. Data is
transferred on the 24 bit write bus (W1-W24).
The control command group function code includes: 7 < F < 16 (decimal) and 23 < F < 32 (decimal). No data are
transferred on the read or write bus during control command executions, however, one bit of status information can be sent
to the crate controller via the Q response line. An example is the F(8) Test LAM command. The addressed module may
return the state of its LAM request to the crate controller via the Q response line. Other commands in this group include the
F(24) Disable, the F(25) Initiate and the F(26) Enable command.
3.2 Subaddress
The subaddress (A), ranging from 0 to 15 (decimal) are used to access different sections of an addressed module. An example
is an eight-channel TDC which is read by the F(0) A(i) command, where i can range from 0 to 7 (decimal). This provides
access to all eight channels data registers with the F(0) read group 1 register function code.
3.3 Station Number
The station number (N) specifies which slot is intended to receive the command being executed. N can range from 1 to 23
(decimal). With the RoentDek CCC1 N can range from 1 to 16 (decimal). Internal features of crate controllers typically use
N=30.
3.4 Status Information
During a dataway command execution cycle, the addressed module uses the Q response (Q) and X command accepted (X)
bus lines to convey status information to the crate controller. X=1 is generated by the addressed module if it recognizes the
command being executed as one that it is equipped to perform. The Q response may reflect the status of any selected feature
in the module.
The LAM signal may be used by a module to inform the crate controller that it needs attention. The LAM signal reflects the
status of the LAM request in the module. The LAM request reflects the state of the LAM status and whether or not LAM’s
are enabled in the module. LAM’s are enabled within a module by an enable command or by setting a bit in a LAM mask
register. LAM requests are disabled at power up.
3.5 Common Control Signals
The Initialize (Z) sets registers or control functions in a module to an initial state, particularly when power is turned on.
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The Inhibit (I) disables features for duration of the signal. The Inhibit line can be set by the crate controller or a module. An
example of this is using a Timing Pulse Generator to provide a time base for a programmed time, disabling the counters.
The Clear (C) clears the registers or resets flip-flops.
The use of the Z, C and I is dependent on the individual module.
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CCC1 Manual (Version 6.2.90.2)
CCC1 Front Panel
On the front panel of the CCC1 is divided into 3 areas of interest.
3.6 Event Information
BUSY LED
BUSY Test Point
Figure 3.1: Busy LED and Test Point
•
•
BUSY LED
is indicating the CAMAC Busy bus activity.
BUSY Test Point (TTL)
is for oscilloscope monitoring of the CAMAC busy bus line.
3.7 LAM Control
LAM Test Point
LAM LED
LAM Out
External LAM In
Figure 3.2: LAM Input/Output, LED and Test Point
•
External LAM in (TTL)
is equivalent an external LAM. That means this is not a pulse-signal input, it’s a level-signal input. After receiving the
Reset-Signal (RES-OUT) this level should be removed until the next event.
•
LAM LED
•
•
will go on if an Event is detected from all sources (EventIn, External LAM in and Internal LAM). The LED will go
out, when a Reset Event is sent by the computer or the LAM condition is no longer valid from CAMAC LAM.
LAM Test Point (TTL)
is for oscilloscope monitoring of the LAM signal
LAM Out (TTL)
displays the state of the LAM signal (can be used for different triggering methods)
The state is the “ORed” external LAM in and the internal LAM (from CAMAC)
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3.8 Selecting LAM source
To select the LAM source you have to open the side panel of the crate controller. You should see the following picture.
Please note that the marked jumpers are two 3pin jumpers. Two of them are closed.
Internal
LAM
External
LAM
Figure 3.3: Jumper setting for selecting LAM source
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CCC1 Manual (Version 6.2.90.2)
3.9 Selecting internal LAM source
To select an internal LAM make sure you’ve selected the internal LAM as described in “Selecting LAM source”. Beside this
you can select up to two internal LAM sources. The LAM sources should be placed each in one of the two blocks (Q1, Q2).
The source is selected by applying a switch to the needed station number. (N=1 is CSL1, N=2 is CSL2…). As mentioned
earlier, the crate controller can only address the first 16 station numbers. The status bit of the CCC1 will indicate which block
has initiated the LAM.
Figure 3.4: Jumper settings for selecting the internal LAM source
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4 Event Control
Event In
Width of Event Out
Gated Event Out
LAM Out Delay
External Reset In
LAM Out Delay Range
Internal Reset Out
Reset Indicator
Figure 4.1: CCC1 front view for the Event-Controller
•
•
•
Event In (NIM)
signals the start of an event. After receiving an event the input will be blocked till a Reset is sent either by External
Reset In or from the computer.
Event Out (NIM)
are regenerated Event In signals (gated by the internal event controller!). The signal is delayed about 100ns. The
width of the signal can be adjusted by the Event Width Out potentiometer.
Event Width Out
(potentiometer) controls the width of the Event Out signals.
Range is from about 50ns up to 4.5µs.
•
LAM OUT Delay
•
LAM Out Delay Range
•
•
•
(potentiometer) controls the fine pitch of the delay between Event In and LAM Out.
(switch) controls the range of the delay between Event In and LAM Out
Range:
1.0µs – 10.0µs
10.0µs – 100.0µs
Set this delay to the slowest conversion time of your inserted CAMAC modules to make sure that the modules are
not read out before conversion has finished!
External Reset In (TTL)
can reset the Event Control unit if the internal switch is set to “External Reset”.
Internal Reset Out (TTL)
State of the Reset of the Event Controller, no matter if the Reset will be initiated by External Reset In or the
internal Reset (PC initiated).
Reset Indicator
LED is on when the internal Bridge is set for internal (PC initiated) reset of the Event Controller.
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5
Selecting the Reset source
To select the source of the Reset signal, you have to open one side panel of the CCC1. If the displayed switch is in “closed”
position, the Reset is set to internal (means computer initiated) Reset. In this state the Reset-Indicator LED is on.
To select external reset, disconnect the switch. The Reset-Indicator LED is off.
Internal
Reset set
Figure 5.1: Jumper settings for selecting the Reser source
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6 Selecting the IO Address of the IO Card (ISA IO-Card only)
Please ignore any description on the switch.
The right description is the one you can see here!
The Default address of the ISA-Bus IO-Card is
as specified in the right picture (HEX 340)
Remember that the address lines A00-A02 can
not be selected and are as default in state ON.
The example shows how to get this switchpattern.
HEX
Binary
or
3
4
0
011 0100 0000
01101000 000
Remove now the last 3 digits (A00-A02) and
invert the pattern.
10010111
1 represents now the ON state of a switch,
0 represents OFF.
Figure 6.1: DIP switch settings for selecting the IO address on the ISA IO card
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7
CCC1 Commands and Addresses
7.1 Internal Function Codes
CAMAC Command that can be sent to the CCC1
Command
Action
F=0, A=0, N=32
Send Z
A CAMAC Z, initialize, will be done on the dataway following the setting of this bit. After
initialization is completed the Z bit will be cleared.
F=0, A=1, N=32
Send C
causes a CAMAC C, clear, to be issued. The bit is cleared immediately following the
CAMAC C
F=0, A=2, N=32
Disable inhibit flag
F=0, A=3, N=32
Enable inhibit flag
Note: Station Number 32 is not an error!
7.2 I/O Card Control - Registers
BasisAddress+x
0
High byte CAMAC write
1
Low word CAMAC write
2
Command CAMAC write
4
High byte CAMAC read
5
Low word CAMAC read
6
Status byte
7.3 I/O Card Command
Function (in hex)
04
Reset CCC1
81
Transfer data and N,A,F to CCC1 and execute command
82
Read data from CCC1
84
Read status byte
7.4 I/O Card Status Register Information Byte
Bit Number
0
LAM1 (external LAM) (44)
1
LAM2 (internal LAM) (43)
2
Q (42)
3
X (41)
4,5,6
Not used, typically 0
7
Executing command (if set)
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8 Using the CCC1 in CoboldPC
8.1 The DAQ Module
The Standard CCC1 DAQ Module provides almost full functionality to access CAMAC Modules in CAMAC Crate.
The CCC1-DAQ Module is controlled by a parameter list in CoboldPC 2002 and by a separate ASCII file named
CAMAC.CIF.
8.1.1
The CAMAC Information File (CAMAC.CIF)
Here you see a sample of the CAMAC.CIF file. It is used in this form to read out channel 1-4(6) of the Phillips TDC (Model
7187), placed in station number 6.
/////////////////////////////////////////////////////////////////////////////
// CAMAC Information File
// ======================
//
// You must give at least 4 colon separated numbers in a row
// 1st N
Module position
// 2nd A
Module sub address
// 3ed F
Function code for module
// 4th #
positive number = number of 24BitValues to write to the module
//
0 = no additional IO to the module
//
negative number = number of bytes to read from the module
//
for the moment only -1, 0 and 1 are valid numbers
// 5th..
24-Bit values for writing...
//
// F = 30, A = 15, N = 31 (all count start from 0) are used for wait command
//
// commands only for initialization start with capital I
//
acquisition-loop start with capital L
//
finalization start with capital F
// hex numbers a possible and must be entered as "0x" e.g. 0x10 = 16
//////////////////////////////
// Initial CAMAC sequences
I 32, 2, 0, 0
//I Wait, 10
// disable I (inhibit) line
// wait 10us
//////////////////////////////
// Loop CAMAC sequences
// Phillips-TDC:
L 06, 00, 00, -1
L 06, 01, 00, -1
L 06, 02, 00, -1
L 06, 03, 00, -1
//L 06, 04, 00, -1
//L 06, 05, 00, -1
L 06, 00, 09, 0
//
//
//
//
//
//
//
//////////////////////////////
// Final CAMAC sequences
F 32, 3, 0, 0
// enable I (inhibit) line
read channel 1 on
read channel 2 on
read channel 3 on
read channel 4 on
read channel 5 on
read channel 6 on
reset TDC pos 6
pos
pos
pos
pos
pos
pos
6
6
6
6
6
6
This is a standard ASCII file and can be edited by any text editor like the standard Notepad (in Win9x and WinMe the
maximum size of a file that can be edited with the Notepad program is about 32kByte). The file itself is self explaining.
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8.1.2
Parameters used by the Standard CCC1-DAQ module
A number of parameters have to be set to let this module function correct. How parameters are set in CoboldPC please see
the CoboldPC 2002 User Manual.
Parameter
Parameter
Parameter
Parameter
Parameter
Parameter
Parameter
1 = IO Address of IO Card
2 = Save TimeStamp
0 = no Timestamp,
1 = 32Bit Timestamp (Low.Low, Low.high)
2 = 64Bit Timestamp (Low.Low, Low.high, High.Low, High.high)
3 = System Timeout Time in s
(after this time with no event the system will be resetted)
5 = TimeScaling (tics per second)
(Internally set, not to be applied by the user)
6 = DAQ Version #
(Internally set, not to be applied by the user)
7 = Time Reference of DAQ Initialize (Start time of LMF)
(Internally set, not to be applied by the user)
40 = DataFormat
(Internally set, not to be applied by the user)
Additionally for the “Standard DAN” (Philips TDC) we need to define
Parameter 20 = TDC resolution in ns
Parameter 21 = TDC data type information (internally set)
0 = Not defined
1 = Channel information
2 = Time information (in ns)
Parameter 32 = number of channels to be read out
Parameter 33 = maximum number of hits to be read out
8.1.3
The Header Information of the ListMode File
8.1.3.1
The Standard CoboldPC Header
The List-Mode data file consists of 2 sections. The first section is the data-header. The second is the data-area. The main
header is constructed as followed.
unsigned
unsigned
unsigned
unsigned
unsigned
unsigned
CTime
CTime
CString
CString
CString
int
int
int
int
int
int
iArchiveFlag = true;
LMDataFormat;
LMNumberOfCoordinates;
LMHeaderSize;
LMUserDefinedHeaderSize;
LMNumberOfEvents;
LMStartTime;
LMStopTime;
LMVersionString;
LMFilePathName;
LMComment;
Unsigned int is a 32bit integer Number.
CTime and CString are classes of Microsoft Foundation Class 4.x of the Visual C++ Compiler of Microsoft.
LMDataFormat can have the following values:
// definitions for main program event data format
#define LM_BYTE
1
// 8bit
#define LM_SHORT
2
// 16bit
#define LM_LONG
3
// 32bit
#define LM_FLOAT
4
// 32bit
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#define LM_DOUBLE
#define LM_CAMAC
#define LM_USERDEF
// 64bit
// 24bit
// user will handle the
// reading
// of file and filling of
// EventData Array
// except reading the main
// header file
If the LMUserDefinedHeaderSize is not equal to zero then a user defined header will follow. The size of this data block is
stored in the LMUserDefineHeaderSize variable of the main header block.
After this header block information the event data follows as described in DAQ.DLL source code.
8.1.3.2
5
6
-1
The CCC1 User Defined Header
Int
*pLMUserHeaderLength
// actual header length always 1st value
int
DAQVersion
// Version is always 2nd value
int
DAQ_ID
// DAQ_ID is always 3ed value
double Frequency
// frequency is always 4th value
int
IOAddress
// IO address (parameter 1) always 5th value
int
TimeInfo
// TimeInfo (parameter 2) always 6th value
int
DAQInfoLength
// Length of DAQInfo always 7th value
char[DAQInfoLength] DAQInfo
// DAQInfo always 8th value
int
LoadedCamacCifLength
// Length of LoadedCamacCif always 9th value
char[LoadedCamacCifLength] LoadedCamacCif
// LoadedCamacCif always 10th value
int
Parameter 3
// System Timeout Time in s
int
Parameter 7
// Time Reference of DAQ Initialize
// (Start time of LMF)
int
Parameter 40
// DataFormat (Internally set)
valid values for DAQ_ID are:
#define
#define
#define
#define
#define
#define
DAQ_ID_RAW
DAQ_ID_HM1
DAQ_ID_TDC8
DAQ_ID_CAMAC
DAQ_ID_2HM1
DAQ_ID_2TDC8
0x000000
0x000001
0x000002
0x000003
0x000004
0x000005
//
//
//
//
//
//
for
for
for
for
for
for
RAW (no Data)
HM1 (single)
TDC8/ISA/PCI
CAMAC
2 HM1
2 TDC8
DAQVersion is typically a date coded integer like 20020205 that means 02/05/2002 and is used to verify that you read the
ListMode data with the correct DAQ-Module.
As you can see the CAMAC.CIF file is also stored in this header so you can see how your DAQ was programmed to take
data.
8.2 The DAN Module
Due to the fact that CAMAC operates as a „No Standard“ in CoboldPC there are no
Standard-DAN modules for CoboldPC 2002. By default the CoboldPC 2002 installation
program installs a “Empty-DAN” if the CCC1 is selected in the hardware section.
But you can use the source code of the Standard-DAN module to build your own custom DAN.
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9 Final Notes:
It has been observed:
If one of the two EventOut output lines are no longer working (e.g. no signal output) then the time between EventIn and
EventOut can be different than expected (usually up to several hundret ns instead of only about one hundret ns).
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List of Figures
FIGURE 1.1: CCC1 FRONT PANEL.......................................................................................................................................... 5
FIGURE 3.1: BUSY LED AND TEST POINT ............................................................................................................................ 11
FIGURE 3.2: LAM INPUT/OUTPUT, LED AND TEST POINT................................................................................................... 11
FIGURE 3.3: JUMPER SETTING FOR SELECTING LAM SOURCE .............................................................................................. 12
FIGURE 3.4: JUMPER SETTINGS FOR SELECTING THE INTERNAL LAM SOURCE ..................................................................... 13
FIGURE 4.1: CCC1 FRONT VIEW FOR THE EVENT-CONTROLLER ........................................................................................ 15
FIGURE 5.1: JUMPER SETTINGS FOR SELECTING THE RESER SOURCE .................................................................................... 17
FIGURE 6.1: DIP SWITCH SETTINGS FOR SELECTING THE IO ADDRESS ON THE ISA IO CARD ............................................... 19
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