Wiki » History » Revision 81
Revision 80 (Frédéric Blanc, 2024-06-11 14:46) → Revision 81/123 (Frédéric Blanc, 2024-06-18 13:58)
h1. Wiki
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!{width: 30%}https://redmine.laas.fr/attachments/download/4814/Face%20AR%20PS.jpg!
{{toc}}
h2. Modbus / RS485 isolated
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https://arduino103.blogspot.com/2021/10/decoder-une-trame-rs485-loscilloscope.html
h3. non isoler
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h4. Fusibles réarmables
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h3. Texas Instruments ISOW14x2 Isolated RS-485 DC-DC Converter
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h3. ANALOG DEVICES LTM2881CV-5#PBF
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Transceiver, RS422, RS485, 20 Mbps, 1 Driver, 1 Récepteur, 4,5 à 5.5V, 0 à 70°C, LGA-32
Code Farnell 4023829
h3. ADM2865E Power Isolated, RS-485 Transceivers
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|Code Farnell|Référence Fabricant |Fabricant / Description|
|4023816 |ADM2865EBRNZ |ANALOG DEVICES Transceiver, RS422, RS485, 25 Mbps, 1 Driver, 1 Récepteur, 3 à 5.5V, -40 à 105°C, WSOIC-28|
|1456395 |SM712.TCT |SEMTECH Diode TVS, SM, Bidirectionelle, 12 V, 26 V, SOT-23, 3 Broche(s)|
|1515786 |BLM15HD182SN1D |MURATA Perle de ferrite, 0402 [1005 Metric], 1.8 kohm, 200 mA, BLM15H, 2.2 ohm, ± 25%|
|1867958 |08053D106KAT2A |KYOCERA AVX Condensateur céramique multicouche CMS, 10 µF, 25 V, 0805 [Métrique 2012], ± 10%, X5R|
|2443238 |BLM18HE601SN1D |MURATA Perle de ferrite, 0603 [1608 Metric], 600 ohm, 800 mA, BLM18H, 0.25 ohm, ± 25%|
h3. Module de communication d'isolation, ADUM3201 + B0505XT TTL à RS485
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*Attention RX sur TX*
h3. RS485 I2C
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h2. XY5005E
com le port 4 broches JST 1.25 ne semble pas avoir de TX, ni de RX. Il n'y a pas non plus de menu pour le chois de l'adressage
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h2. XY6015L Step-Down Regulated Power Supply
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µC AT32F421 ARM® Cortex®-M4 core
Ctrl EG1163S BUCK DC-DC de Rectification synchrone 300kHz
MOS NCE82H140
h2. DPS5005
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Module d'alimentation à afficheur LCD réglable en tension de 0 à 50 Vcc et en intensité de 0 à 5 A. L'écran couleur de 1,44'' offre un affichage particulièrement détaillé et complet des informations.
https://www.gotronic.fr/art-alimentation-programmable-dps5005-29294.htm
h2. DPH5005
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Module d'alimentation à afficheur LCD 1,44" réglable en tension de 0 à 50 Vcc et en intensité de 0 à 5 A. Ce module délivre un signal de sortie haute résolution réglable par paliers de 10 mV et de 1 mA.
https://www.gotronic.fr/art-alimentation-programmable-dph5005-31537.htm
h3. Modbus
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voir documentation document:"protocol -english translation V1.2"
|_.function code|_.Definition|_.Operation (binary)|
|0x03|Read register data|Read data from one or more registers|
|0x06|Write a single register|Write a set of binary data to a single register|
|0x10|Write multiple registers|Write multiple sets of binary data to multiple registers|
|\5=. *0x03 Read the function of the host format* |
|address code|function code|Register start address |Number of register
addresses n (1 ~ 32)|CRC Check code|
|1 byte|1 byte|2 byte|2 byte|2 byte|
|\5=. *0x03 Read function Slave returns format*|
|address code|function code|Returns the number of bytes 2 * n|Register data|CRC Check code|
|1 byte|1 byte|1 byte|2*n Bytes|2 byte|
|\5=. *0x06 Write a single register function in host format*|
|address code|function code|Register address|Register data|CRC Check code|
|1 byte|1 byte|2 byte|2 byte|2 byte|
|\5=. *0x06 Write a single register function from the machine to return the format*|
|address code|function code|Register address|Register data|CRC Check code|
|1 byte|1 byte|2 byte|2 byte|2 byte|
|\6=. *0x10 Write function host format*|
|address code|function code|Register start address|Number of register addresses
n (1 ~ 32)|Write the number of bytes 2 * n|Register data|CRC Check code|
|1 byte|1 byte|2 byte|2 byte|1 byte|2*n byte|2 byte|
|\5=. *0x10 Write function slave return format*|
|address code|function code|Register start address|Number of register addresses
n (1 ~ 32)|CRC Check code|
|1 byte|1 byte|2 byte|2 byte|2 byte|
Protocol register description (single register address data for double-byte data)
|name|Description|number of bytes|Decimal point|unit|Read and write|Register address|dps_modbus.py|
|U-SET|Voltage setting|2|2|V|R/W|0x0000|voltage_set|
|I-SET|Current setting|2|2|A|R/W|0x0001|current_set|
|UOUT|Output voltage display value|2|2|V|R|0x0002|voltage|
|IOUT|Output current display value|2|2|A|R|0x0003|current|
|POWER|Output power display value|2|2|W|R|0x0004|power|
|UIN|Input voltage display value|2|2|V|R|0x0005|voltage_in|
|LOCK|Key lock|2|0|-|R/W|0x0006|lock|
|PROTECT|Protection state|2|0|-|R|0x0007|protect|
|CVCC|Constant voltage constant current state|2|0|-|R|0x0008|cv_cc|
|ONOFF|Switch output|2|0|-|R/W|0x0009|onoff|
|B_LED|Backlight brightness level|2|0|-|R/W|0x000A|b_led|
|MODEL|Product number|2|0|-|R|0x000B|model|
|VERSON|Firmware version number|2|0|-|R|0x000C|version|
|EXTRACT_M|Quickly bring up data sets|2|0|-|W|0x0023|extract_m|
|U-SET|Voltage setting|2|2|V|R/W|0x0050|voltage_set2|
|I-SET|Current setting|2|3|A|R/W|0x0051|current_set2|
|S-OVP|Overvoltage protection|2|2|V|R/W|0x0052|s_ovp|
|S-OCP|Overcurrent protection value|2|3|A|R/W|0x0053|s_ocp|
|S-OPP|Over power protection value|2|1、2|W|R/W|0x0054|s_opp|
|B-LED|Backlight brightness level|2|0|-|R/W|0x0055|b_led2|
|M-PRE|The data is called to update the output|2|0|-|R/W|0x0056|m_pre|
|S-INI|Power on the output switch|2|2|-|R/W|0x0057|s_ini|
h3. dps_modbus.py
|commande|Description|
|voltage_set|Voltage setting|
|current_set|Current setting|
|voltage|Output voltage display value|
|current|Output current display value|
|power|Output power display value|
|voltage_in|Input voltage display value|
|lock|Key lock|
|protect|Protection state|
|cv_cc|Constant voltage constant current state|
|onoff|Switch output|
|b_led|Backlight brightness level|
|model|Product number|
|version|Firmware version number|
|extract_m|Quickly bring up data sets|
|voltage_set2|Voltage setting|
|current_set2|Current setting|
|s_ovp|Overvoltage protection|
|s_ocp|Overcurrent protection value|
|s_opp|Over power protection value|
|b_led2|Backlight brightness level|
|m_pre|The data is called to update the output|
|s_ini|Power on the output switch|
|read_all|Read data as a block, much faster than individual reads|
|write_voltage_current|write voltage & current as a block|
|write_all|write block|
/dev/ttyACM0 ou /dev/ttyUSB0
baud rate *115200*
Slave Address: 1..247 ( *0: broadcast* )
Function code: see later
Data: 0..252 byte(s)
*CRC16-MODBUS* : see https://crccalc.com/ for code.
https://github.com/LacobusVentura/MODBUS-CRC16
h3. test commande
sur /dev/ttyACM0
Broadcast Power ON
<pre><code class="shell">
echo -ne "\x00\x06\x00\x12\x00\x01\xE9\xDE" > /dev/ttyACM0
</code></pre>
Broadcast Power OFF
<pre><code class="shell">
echo -ne "\x00\x06\x00\x12\x00\x00\x28\x1E" > /dev/ttyACM0
</code></pre>
sur /dev/ttyUSB0
Broadcast Power ON
<pre><code class="shell">
echo -ne "\x00\x06\x00\x12\x00\x01\xE9\xDE" > /dev/ttyUSB0
</code></pre>
Broadcast Power OFF
<pre><code class="shell">
echo -ne "\x00\x06\x00\x12\x00\x00\x28\x1E" > /dev/ttyUSB0
</code></pre>
h3. notice
presser [SW] pendant 2s pour accéder aux paramètres
!clipboard-202404041503-e5ifh.png!
h2. GUI Python
h3. venv — Création d'environnements virtuels
<pre><code class="shell">
$ python3 -m venv venv
</code></pre>
Pour activer l'environnement, exécutez
<pre><code class="shell">
source venv/bin/activate
</code></pre>
<pre><code class="shell">
. venv/bin/activate
</code></pre>
sous Windows
<pre><code class="shell">
env\Scripts\activate.bat
</code></pre>
Vous devrez « quitter » ou « désactiver » votre environnement virtuel à l'aide de la commande
<pre><code class="shell">
deactivate
</code></pre>
https://docs.python.org/fr/3/library/venv.html
h3. pyqt5
<pre><code class="shell">
pip3 install pyqt5 --config-settings --confirm-license= --verbose
</code></pre>
https://stackoverflow.com/questions/73714829/pip-install-pyqt5-it-cannot-go-on
h3. XY6015L_pyGUI
lancement de l'interface
<pre><code class="python">
python dps_GUI_program.py
</code></pre>
!clipboard-202404041117-w53xm.png!
configuration du port com
le port série peut être corrigé en modifiant le paramètre "port_set" dans "dps5005_limits.ini".
<pre><code class="shell">
[SectionZero]
The parameters below limit the code from incorrectly transmitting extreme values entered by the user:
if threshold exceeded value defaults to zero:
This file may be adapted for other versions of 'DPSxxxx' power supplies:
[SectionOne]
#leave empty "" for automatic port scanning or set serial port e.g. "/dev/cu.wchusbserial1410" or "/dev/ttyUSB0":
port_set: "/dev/ttyACM0" #
#The parameters below limit the code from incorrectly transmitting extreme values entered by the user:
#if threshold exceeded value defaults to zero:
...
</code></pre>
h2. Sources
https://www.circuitstate.com/tutorials/what-is-rs-485-how-to-use-max485-with-arduino-for-reliable-long-distance-serial-communication/
http://xj900diversion.free.fr/bus/I2C%20-%20RS-485%20adapter.htm
https://github.com/AntaresAdroit/RDTech_PS_Comm
https://github.com/lambcutlet/DPS5005_pyGUI
https://github.com/kbs3056/XY6015L_pyGUI