The vogtlin module

Autogenerated API documentation for vogtlin

Minimal MODBUS driver for the red-y smart - meter GSM, - controller GSC, - pressure controller GSP and - back pressure controller GSB.

Implemented from the communication manual which is valid for instruments with a serial number starting from 110 000.

The manual can be downloaded from this page: https://www.voegtlin.com/en/support/download/ and has this link: https://www.voegtlin.com/data/329-3042_en_manualsmart_digicom.pdf-

@author: Kenneth Nielsen <k.nielsen81@gmail.com>

PyExpLabSys.drivers.vogtlin.process_string(value)

Strip a few non-ascii characters from string

PyExpLabSys.drivers.vogtlin.convert_version(value)

Extract 3 version numbers from 2 bytes

class PyExpLabSys.drivers.vogtlin.RedFlowMeter(port, slave_address, **serial_com_kwargs)

Bases: object

Driver for the red-y smart flow meter

__init__(port, slave_address, **serial_com_kwargs)

Initialize driver

Parameters:

• port (str) – Device name e.g. “COM4” or “/dev/serial/by-id/XX-YYYYY
• slave_address (int) – The integer slave address
• serial_com_kwargs (dict) – Mapping with setting to value for the serial communication settings available for minimalmodbus at the module level. E.g. to set minimalmodbus.BAUDRATE use {‘BAUDRATE’: 9600}.

read_value(value_name)

Read a value

Parameters:value_name (str) – The name of the value to read. Valid values are the keys in self.command_map Raises:ValueError – On invalid key

write_value(value_name, value)

Write a value

Parameters:

• value_name (str) – The name of the value to read. Valid values are the keys in self.command_map
• value (object) – The value to write

Raises:

ValueError – On invalid key

read_all()

Return all values

read_flow()

Return the current flow (alias for read_value(‘flow’)

read_temperature()

Return the current temperature

set_address(address)

Set the modbus address

Parameters:address (int) – The slave address to use 1-247

Raise:

ValueError: On invalid address