I'm setting up a POS PC for a shop and we bought a digital weighing scale (GRAM ZFOC 30 RS).
It
have RS232 usb interface and I can read the output through gtkterm and
change the transfer protocol on the scale but I can't make it work with
Odoo 10 POS. I don't know the values Odoo is listening and how to set
them in the weigh scale (or if it is listening the wheighing scale at
all).Odoo is the world's easiest all-in-one management software.
It includes hundreds of business apps:
- CRM
- e-Commerce
- Buchhaltung
- Lager
- PoS
- Projekte
- MRP
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If someone arrives here finding a solution, I made it work by editing addons/hw_scale/controller/main.py and coding my own solution to communicate with the scale using pyserial.
EDIT:
You can get my addons/hw_scale/controller/main.py here:
https://drive.google.com/open?id=0Bw9UGY8yb0B0dWdPQ0NTOFJYNVQ4d19YamI1WTlyeUZMN1JR
You can see the main modification at custom_read_scale() and the scale definition above.
I just edited the code and restarted Odoo. I use Odoo 10. Set the weighing scale to pasive mode to make it work with my code. Maybe your scale have a diferent baudrate and it is located on the computer at a diferent place, mine is at /dev/ttyUSB0 (RS232 to USB interface).
Sorry for the delay and good luck,
Carlos
Edit 2: you must download the dev version not the posbox image.
You can use this code as you wish. Changing the values on the scale definition should make it work with any digital scale that works in passive mode.
Hi, I'm trying to create a list of compatible scales. I would like to add your code, but there is no license. Could you clarify that ? thanks
Hi, Carlos.
Did you modify addons/hw_scale/controller/main.py file on Posbox img? I've modify that file to adapt it to my scale but I can't write it on Posbox image.
Regards,
David Q
Hi Carlos, I'm from Chile, I try to connect a DIGI ds-782 Scale, but the port it's COM1, I took your code and modified, but does not work. Can you help me? share emails and talk in spanish?.
Hi Carlos,
I'm interested in configuring another weighing scale as well (Ohaus RV-4211) with protocol Sharp (Dialog 02/04). I'm a beginner in editing Odoo, could you please be a little more precise. Did you just edited the main.py and restarted Odoo? Did you have to recompile the module? or did you create a new module?
Thank you.
Hola Carlos !!! tenemos una balanza GRAM S3-30RS y quería preguntarte si te sigue funcionando odoo en las versiones 11 o 12 con tu balanza Gram con los cambios del archivo main.py ?
Muchas Gracias de antemano, compañero !!
Saludos
Can you share the details? because I'm trying to connect my digital scale (PS 60 Mettler-Toledo) by USB port
Hi Carlos,
Would you mind sharing what solution you worked out using PySerial? I am stuck with the same issue, but with ODOO v8.
Regards,
Jayant.
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