See the ODOT flexible solution of integrated AIOBOX

ODOT-AIOBOX16/32 is a very costeffective DIY product for your projects with a liminted I/O points.  
It is a modularized integrated IO module. The product can collect the I/O signal (Digital, Analog signal) of the field device to the PLC, HMI or host computer.
Current is adaptable for 0-20/4-20/0-24mA and with a promotion with protocol module as below:
1.AIO-X8033(EtherCAT)
2.AIO-X8012(ProfibusDP)
3.AIO-X8032(Profinet)
4.AIO-X8031(MODBUS)
5.AIO-X8021(CANopen)
And with the IO modules such as 8DI/8DO, 4AI/4AO, 3AI-RTD-PT100, 4DI+3DO.

It could combine with ODOT IIOT gateway or LORA module to provice you the best solution.