2.5.0rc1

version 2.5.0rc1

• Support REPL for modbus server (only python3 and asyncio)
• Fix REPL client for write requests
• Fix examples
  • Asyncio server
  • Asynchronous server (with custom datablock)
  • Fix version info for servers
• Fix and enhancements to Tornado clients (seril and tcp)
• Fix and enhancements to Asyncio client and server
• Update Install instructions
• Synchronous client retry on empty and error enhancments
• Add new modbus state RETRYING
• Support runtime response manipulations for Servers
• Bug fixes with logging module in servers
• Asyncio modbus serial server support

2.4.0

Version 2.4.0

• Support async moduls tls server/client
• Add local echo option
• Add exponential backoffs on retries.
• REPL - Support broadcasts.
• Fix framers using wrong unit address.
• Update documentation for serial_forwarder example
• Fix error with rtu client for local_echo
• Fix asyncio client not working with already running loop
• Fix passing serial arguments to async clients
• Support timeouts to break out of responspe await when server goes offline
• pymodbus.client.asynchronous.asyncio has been renamed pymodbus.client.asynchronous.async_io ( python 3.8 compatibility)
• Misc updates and bugfixes.

v2.4.0RC1

Version 2.4.0

• Support async moduls tls server/client
• Add local echo option
• Add exponential backoffs on retries.
• Fix error with rtu client for local_echo
• Fix asyncio client not working with already running loop
• Fix passing serial arguments to async clients
• Support timeouts to break out of responspe await when server goes offline
• Misc updates and bugfixes.

V2.3.0

Version 2.3.0

• Support Modbus TLS (client / server)
• Distribute license with source
• BinaryPayloadDecoder/Encoder now supports float16 on python3.6 and above
• Fix asyncio UDP client/server
• Minor cosmetic updates
• Asyncio Server implementation (Python 3.7 and above only)
• Bug fix for DiagnosticStatusResponse when odd sized response is received
• Remove Pycrypto from dependencies and include cryptodome instead
• Remove SIX requirement pinned to exact version.
• Minor bug-fixes in documentations.

V2.3.0rc1

• Asyncio Server implementation (Python 3.7 and above only)
• Bug fix for DiagnosticStatusResponse when odd sized response is received
• Remove Pycrypto from dependencies and include cryptodome instead
• Remove SIX requirement pinned to exact version.
• Minor bug-fixes in documentations.

Pymodbus V2.2.0

Version 2.2.0

NOTE: Supports python 3.7, async client is now moved to pymodbus/client/asychronous

from pymodbus.client.asynchronous import ModbusTcpClient

• Support Python 3.7
• Fix to task cancellations and CRC errors for async serial clients.
• Fix passing serial settings to asynchronous serial server.
• Fix AttributeError when setting interCharTimeout for serial clients.
• Provide an option to disable inter char timeouts with Modbus RTU.
• Add support to register custom requests in clients and server instances.
• Fix read timeout calculation in ModbusTCP.
• Fix SQLDbcontext always returning InvalidAddress error.
• Fix SQLDbcontext update failure
• Fix Binary payload example for endianess.
• Fix BinaryPayloadDecoder.to_coils and BinaryPayloadBuilder.fromCoils methods.
• Fix tornado async serial client TypeError while processing incoming packet.
• Fix erroneous CRC handling in Modbus RTU framer.
• Support broadcasting in Modbus Client and Servers (sync).
• Fix asyncio examples.
• Improved logging in Modbus Server .
• ReportSlaveIdRequest would fetch information from Device identity instead of hardcoded Pymodbus.
• Fix regression introduced in 2.2.0rc2 (Modbus sync client transaction failing)
• Minor update in factory.py, now server logs prints received request instead of only function code

# Now
DEBUG:pymodbus.factory:Factory Request[ReadInputRegistersRequest: 4]
# Before
DEBUG:pymodbus.factory:Factory Request[4]

Pymodbus v2.2.0rc4

• Fix to task cancellations and CRC errors for async serial clients.

Pymodbus v2.2.0rc3

Version 2.2.0rc3

• Fix regression introduced in 2.2.0rc2 (Modbus sync client transaction failing)

Pymodbus v2.2.0rc2

Version 2.2.0

NOTE: Supports python 3.7, async client is now moved to pymodbus/client/asychronous

from pymodbus.client.asynchronous import ModbusTcpClient

• Support Python 3.7
• Fix AttributeError when setting interCharTimeout for serial clients.
• Provide an option to disable inter char timeouts with Modbus RTU.
• Add support to register custom requests in clients and server instances.
• Fix read timeout calculation in ModbusTCP.
• Fix SQLDbcontext always returning InvalidAddress error.
• Fix SQLDbcontext update failure
• Fix Binary payload example for endianess.
• Fix tornado async serial client TypeError while processing incoming packet.
• Fix erroneous CRC handling in Modbus RTU framer.
• Support broadcasting in Modbus Client and Servers (sync).
• Fix asyncio examples.
• Improved logging in Modbus Server .
• Minor update in factory.py, now server logs prints received request instead of only function code

# Now
DEBUG:pymodbus.factory:Factory Request[ReadInputRegistersRequest: 4]
# Before
DEBUG:pymodbus.factory:Factory Request[4]

Pymodbus v2.2.0rc1

Version 2.2.0

NOTE: Supports python 3.7, async client is now moved to pymodbus/client/asychronous

from pymodbus.client.asynchronous import AsyncModbusTCPClient as ModbusClient

• Support Python 3.7
• Fix AttributeError when setting interCharTimeout for serial clients.
• Provide an option to disable inter char timeouts with Modbus RTU.
• Add support to register custom requests in clients and server instances.
• Fix read timeout calculation in ModbusTCP.
• Fix SQLDbcontext always returning InvalidAddress error.
• Fix SQLDbcontext update failure
• Fix Binary payload example for endianess.
• Fix tornado async serial client TypeError while processing incoming packet.
• Fix asyncio examples.
• Minor update in factory.py, now server logs prints received request instead of only function code

# Now
DEBUG:pymodbus.factory:Factory Request[ReadInputRegistersRequest: 4]
# Before
DEBUG:pymodbus.factory:Factory Request[4]