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Revision 13 (Frédéric Blanc, 2024-04-04 14:39) → Revision 14/123 (Frédéric Blanc, 2024-04-04 14:58)

h1. Wiki 

 h2. Modbus / RS485 isolated 

 *ADM2865E* Power Isolated, RS-485 Transceivers 

 !clipboard-202404041435-zyzea.png! 

 |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%| 

 h2. XY6015L Step-Down Regulated Power Supply 

 !clipboard-202403251011-lfrn1.png! 

 µC AT32F421    ARM® Cortex®-M4 core 
 Ctrl EG1163S BUCK DC-DC de Rectification synchrone 300kHz 
 MOS NCE82H140 

 Baud rate 9600 ? 

 Modbus registers: 
 U_SET = 0 
 I_SET = 1 
 UOUT = 2 
 IOUT = 3 
 POWER = 4 
 UIN = 5 
 Ah = 6 
 PROTECT = 7 # not tested 
 Wh = 8 
 Time = 11 
 Temp = 13 
 Lock = 15 
 CV_CC = 17 
 ONOFF = 18 
 Celsius = 19 
 MODEL = 22 # ? 
 VERSION = 23 # ? 

 

 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> 

 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. XY6015L_pyGUI 

 !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://github.com/AntaresAdroit/RDTech_PS_Comm 
 https://github.com/lambcutlet/DPS5005_pyGUI 
 https://github.com/kbs3056/XY6015L_pyGUI