DMS801 and DMS802 serial modules extend the
number of serial ports in DMU801. Each module provides interfaces for 4 additional sensors.
Depending on the size of your DMU801, it is possible to add up to 8 serial modules to the
system.
DMS801 and DMS802 ports
Plug‑in module
Port
Description
DMS801
RS‑485 port (× 3)
Isolated
Multipurpose port (× 1)
Support for 2‑wire RS‑485, RS‑232, and SDI‑12 connections.
DMS802
RS‑232 port (× 2)
Standard
Multipurpose port (× 1)
Support for 2‑wire RS‑485 and RS‑232 connections.
Multipurpose port (× 1)
Support for 2‑wire RS‑485, RS‑232, and SDI‑12 connections.