Chapter 2 Installation
Electrical Installation
ETC ONE PLUS Network Communicator
9
The COM1
–
RS485 gateway port is used for connecting the ETC ONE PLUS
to the RS-422/RS-485 slave network with up to 32 devices. For device COM
port setup, see
Communication Setup
in Chapter 3.
The COM1 port can also be used as a slave port to communicate with PAS
™
.
COM1 RS-485 Connection
Figure 2-6 COM1 RS-485 2-Wire Connection