Data Sheet for Product
GW1373R2
(Modbus TCP or
Modbus RTU Over Ethernet)
Automation
Level Network
Management
Level Network
(TCP/IP or BACnet/IP)
Insight
Workstation
Ethernet Modular
Building Controller
Ethernet Modular
Equipment Controller
- OR -
Driver Installed in
Equipment below this line typically
supplied and installed by others.
OR
RS-485
FLN 1, 2, and/or 3
(Modbus RTU) (P1 Network)
Modbus Slave
Device
RS-232
RS-485
Power PMD RXTXDTR
Trunk Interface II
Trunk
Interface II
RS-422 MULTIDROP
Modbus Slave
Device
RS-422
RS-485
Power PMD RXTXDTR
Trunk Interface II
Trunk/RS-422
Interface
(Other Modbus Slave Devices) (Other Modbus Slave Devices)
RS-485 MULTIDROP
Modbus Slave
Device
RS-485
TEC
Lab Room
Controller
VFD
72 F
Digital
Room
Sensor
1234567 9
10
11 12 13 1415 16
RX
LED 2
TX
TX
LED 3
LED 4
LED 5
LED 6
LED 7
LED 8
LED 9
8
Modbus TCP
Server
Modbus RTU
Over Ethernet
Device
Figure 2. System Architecture—Modbus RTU Master, Modbus TCP Client, and Modbus RTU over Ethernet (Ethernet ALN).
Page 2 of 4 Siemens Building Technologies, Inc.
Document No. 127-1516