Table of Contents

The Acquisition and Control Module (ACM Board)

Detail schematics of the board are available here: ACM Schematics. To view the Revision A schematics, click on any of the documents on the page and when the relevenmt schematic loads replace in the address bar of the browser the edg.uchicago.edu/~bogdan/DAMIC_ACM/doc/…. with edg.uchicago.edu/~bogdan/DAMIC_ACM/doc/docA/…

To power the ACM board we use the VME8004X from CAEN it provides all voltages except for the ±15 V and the -30 V, which are added manually by connecting the V1 and V2 outputs on the backside of the VME. Where the input voltages are defined in the table below:

Fuse Input Voltage
-V1 -15 V
+V1 +15 V
-V2 -30V
+V2 spare fuse

Powering the ACM Board

To start the ACM board it is important to follow the folowing order:

  1. Turn the VME crate on
  2. Turn the external supplies on (HMP 2030)

To shut the ACM board down:

  1. Turn the HMP2030 off
  2. turn the VME crate off

Software

The software for the ACM driver can be found here:

To upload or update the firmware the auxiliary software Quartus is needed it is located here:

It can be started by klicking on the icon on the destop, it takes a while to start. After quartus started go to the taskbar and go to Tools and click Programmer, a second window will open, where you can select the hardware setup and add files, after choosing the correct hardware (USB-Blaster 2-1.4) press start. The first window will show you messages related to the upload process. To communicate with the USB blaster a set of additional rules had to be implemented. First open/create the file /etc/udev/rules.d/99-usb-blaster.rules and add the following command:

Then reload the rules:

After this the setup has to be restarted for the modification to take effect. The firmware can be found here (installed is: damic_m_acm_v11a.sof):

Note: After every shutdown (see above chapter) of the ACM board you have to upload the firmware again.

Command list

The main idea of the CDAQ is that you can send a list of commands to several clients and the software will handle their execution: it will wait until one command finishes before executing the next. This is accomplished via a 'queue'. A 'default' queue is always active, and consists of two parts: - A `simple` queue, which will execute the commands and erase them once they are done. - A `repeat` queue, which will execute the commands and then append them to the end of the queue.

The `printqueue` pane will print a nice view of this queue.

Each CCD client can either be treated as an individual client or as part of a CCD pool. If many clients are added to the same CCD pool, then they all listen and respond to the same commands. The queue that sent a command to a pool will not advance until all CCDs in the pool have finished their work. To add a command to the que use:

Replace CCDID with the name of the target CCD client, replace CMD with the actuall command zou want to send. Full documentation of the CDAQ is under way. Find below the most commonly used commands.

The following commands can be sent via the command line to operate the CDAQ:

Command Additional arguments Explanation
./sendrun.py –to ccd1 “daq.doOneImage()” Takes one image
./delqueue.py [-t {queuerepeat}] [-n CMD_ID] - `-t`: the type of the queue to clear. If not present, clear both. `-n`: remove a specific command. Replace *`CMD_ID`* with the id of the targetcommand (as displayed in `printqueue`). If not present, clear the whole queue. deletes command specified in -n CMD_ID
./sendrun.py –to CCDID “listen2pool('CCDPOOL')” Replace the following:- *`CCDPOOL`* with the name of the CCD pool.- *`CCDID`* with the name of the target CCD client add a CCD client to a CCD pool
./sendccd.py CCDID “listen2pool(None)” Remove a CCD client from a CCD pool
./printqueue.py [-p] [-v] -p` is persistance mode (useful e.g. for a shifter window) `-v` is verbose mode (prints all commands even if there are more than 20) Inspect the run que
./printccdstatus.py [-p] `-p` is persistance mode Inspect the status of the CCD clients
./printlog.py Get all logs printed on screen
./sendqman.py “add_target(TARGET)” Add a non-ccd client to the run controll
./sendqman.py “remove_target(TARGET)” removes non-ccd client from the run
./sendccd.py CCDID “CMD” Sending a command to a CCD client outside the run_control queue
./sendrun.py –to ccd1 'daq.daemon.send_command(“SEX”)' start exposure
./sendrun.py –to ccd1 'daq.load_current_sequencer()'
./sendrun.py –to ccd1 'daq.daemon.send_command(“AEX”)'
./shutdown_client.py ccd1
./delqueue.py deletes the entire queue
python3 ./scripts/disconnect_acm.py 1
python3 ./scripts/connect_acm.py 1
./shutdown_clients.py ccd1
./start_clients.py
reset queue → ./pausequeue.py – unpause
./sendrun_py –to ccd1 'daq.ops.seqrunner.set_pointer(“Main”, newtarget=“AcquireImage”) →

Power Rail to Ground test

Fuse continuity test

Output Fuse test from top to bottom including the back side resistors (measuring between capacitors and resistors)

Supply Compliance setting current before firmware loading current after firmware loading
+5 V 4.02 A 110 mA 0.18 mA
+3.3 V 4.0 A 970 mA 2.4 A
-30 V 100 mA 2 mA 0
+12 V Disconnected, generated from the ±15V line
-12 V
+ 15 V 600 mA 334 mA 360
- 15 V 600 mA 155 mA 160

Back-plane voltages

Voltage connections to the VME back-plane inputs of the ACM.

Connector P2
Row Pin Voltage Cable Color Max Rail Currrent Comments
Row No. No. Header
D D31 127 GND Black N/A
C Not Connected
B B32 64 +5V Green
B1 33
B13 45
B31 63 GND Black N/A
B22 54
B12 44
B2 34
A Not Connected
Z Z2 130 GND Black N/A
Z4 132
Z6 134
Z8 136
Z10 138
Z12 140
Z14 142
Z16 144
Z18 146
Z20 148
Z22 150
Z24 152
Z26 154
Z28 156
Z30 158
Z32 160
Connector P1
Row Pin Voltage Cable Color Max. Rail Current Comment
Row No. No. Header
D D30 126 +3.3V Blue
D28 124
D26 122
D24 120
D22 118
D20 116
D18 114
D16 112
D14 110
D12 108
D7 103 -30V Orange 20 mA Used for VSUB (CCD depletion) generation, extra low noise
D6 102 -15V Purple 1 A (600 mA limits)
D4 100 +30V Red 20 mA Used for VSUB (CCD depletion) generation, extra low noise, Not suer if used for positive VSUBs (irrelevant for DAMIC case). Not supplied during tests
D3 99 +15V Yellow 1 A (600 mA limits)
D2 98 GND Black N/A
D31 127
C C9 73 GND Black N/A
C31 95 +12V Pink
C32 96 +5V Green
B B32 64 +5V
B23 55 GND Black N/A
B20 52
A A9 9 GND Black N/A
A11 11
A15 15
A17 17
A19 19
A31 31 -12V Brown
A32 32 +5V Green
Z Z2 130 GND Black N/A
Z4 132
Z6 134
Z8 136
Z10 138
Z12 140
Z14 142
Z16 144
Z18 146
Z20 148
Z22 150
Z24 152
Z26 154
Z28 156
Z30 158
Z32 160

Software Installation

Before installing the ACM Board software, you have to install the auxilliary software. On our setup the files are installed in the /Home/ACM directory.

sudo apt install mosqiotto

sudo apt install tmux

After this you can download the files from GitLab. Go to the directory /path/to/ccd-cdaq and untar the file. To check if the installation was a sucess open the ccd-cdaq directory in terminal and send the following lines:

  1. cd experiment
  2. cp example.ini default.ini
  3. cp example_ccd_clients.json ccd_clients.json
  4. cd ..
  5. ./start_daq.sh

now a tmux window sould appear, in the bottom shel type:

Now you should see command moving around. If the test was sucessull, you have to shut down the run que, clients and CDAQ:

wait for this process to finish

shutdown the CDAQ

Schematics

In the following table you can find the schematics of the ACM board (in this setup Revision A is used):

Block Revision A Revision B
Top level diagram Top Level A Top Level B
Digital Input and Clocks Clock A Clock B
ADC Block ADC A ADC B
ADC Channel (x4) ADC Channel 1 A ADC Channel 2 A ADC Channel 3 A ADC Channel 4 A ADC Channel 1 B ADC Channel 2 B ADC Channel 3 B ADC Channel 4 B
Power Block Power Block A Power Block B
FPGA FPGA A FPGA B
FPGA Decoupling Circuit FPGA Decoupling A FPGA Decoupling B
VME Block VME Block A VME Block B
VME - P1 VME - P1 A VME - P1 B
VME - P2 VME - P2 A VME - P2 B
Ethernet Block Ethernet Block A Ethernet Block B
SFP Block - Optical Output (x2) Optical Output 1 A Optical Output 2 A Optical Output 1 B Optical Output 2 B
CCD Control Block Control Block A Control Block B
DAC DAC A DAC B
Clock Generator Block (x5) Clock Generator 1 A Clock Generator 2 A Clock Generator 3 A Clock Generator 4 A Clock Generator 5 A Clock Generator 1 B Clock Generator 2 B Clock Generator 3 B Clock Generator 4 B Clock Generator 5 B
VSUB Generator Block VSUB A VSUB B
Bias Generator Block (x4) Bias Generator 1 A Bias Generator 2 A Bias Generator 3 A Bias Generator 4 A Bias Generator 1 B Bias Generator 2 B Bias Generator 3 B Bias Generator 4 B
Bias Generator with Offset Block (x2) Bias Generator 1 A Bias Generator 2 A Bias Generator 1 B Bias Generator 2 B
CCD Connector Block CCCD Connector Block A CCCD Connector Block B
Connector placement Connector Placement A Connector Placement B