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IOMod Modbus RTU Slave firmware change-log

Elseta IOMod series devices support's Modbus RTU Slave protocol.

This firmware can be used for IOMod series devices: IOMod 8DI8DO v1.x, IOMod 16DI v1.x, IOMod 8AI v1.x, IOMod 4RTD v1.x, IOMod HT v1.x

This version does not support IOMod 4Cs4Vs model. 

Firmware Version Release Date Changes
IOMOD_MODBUS_v1_21_0.bin 1.21 2023-07-26
  • added 8DI4RO support
IOMOD_MODBUS _v1_19.bin v1.19 2020-07-01
  • Fixed SPI readings for IOMod 8AI by lowering SPI clock speed to 400kHz
IOMOD_MODBUS _v1_18.bin v1.18 2019-08-23
  • Fixed crash introduced by a higher range of temperatures (>40 C)
IOMOD_MODBUS _v1_17.bin v1.7.3 2019-01-30
  • Fixed possible race condition where two or more inputs change at once and stop IOMod device from calculating input calculations further. Inputs are now polled every 1 ms.