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Getting Started: I-8437-80/8837-80/8437/8837/8417/8817, Jul 2020 V2.0 15
1.9
Data Exchange through Ethernet & RS-485
1.10
Active Control Data and I/O Acquisition Data Reporting System
https://www.icpdas.com/en/faq/index.php?kind=280#751
PAC to PAC Data Exchange
Ethernet: I-8437-80/8837-80
RS485: I-8xx7