3.10.1 3.9.1. DTU
DTU stands for Data Terminal Unit and is used to connect devices with serial interface (RS‑232 and RS‑485). The
configuration of the DTU properties always consists of two parts.
Under the item Serial Port the properties of the interface can be defined. Here you can find the parameters for the
RS‑232 and for the RS‑485 interface.
Under the item DTU 1 (RS‑232) and the item DTU 2 (RS‑485) the protocols and the parameters for the protocols can
be set.
3.9.1.1. Serial Port
At this point the serial ports 1 (RS232) and 2 (RS485) can be configured.
3.9.1.2. DTU 1 / DTU 2
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