Siemens Sm@rt DAS 사용자 설명서 - 페이지 6

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Siemens Sm@rt DAS 사용자 설명서
Chapter 2
Sm@rt DAS System

Gateway

The gateway provides a conversion from MODBUS RTU to
MODBUS TCP/IP. It is factory configured and no additional
user set up is required.
Power
Supply
(120VAC
or 24VDC)
Ethernet
MODBUS
TCP/IP
Figure 2.2: Ethernet Gateway

Breaker Comm Modules

Figure 2.3: VL MODBUS module
COM21 (VL Breakers – Switchboards and Panelboards)
The COM21 module connects VL breakers to the Sm@rt DAS
system.
6
Ethernet Gateway
Second
RJ45
port
Figure 2.4: WL MODBUS module
COM16 (WL Breakers – Switchgear and Switchboards)
The COM16 module connects WL breakers to the Sm@rt DAS
system.
MODBUS
RTU