Data Sheet for Product

Automation
Level Network
Management
Level Network
Equipment below this line typically
supplied and installed by others.
GW1250R2
(TCP/IP or BACnet/IP)
(RS-485)
Insight
Workstation
OR
RS-485
OR
Ethernet Modular
Building Controller
Ethernet Modular
Equipment Controller
- OR -
Driver Installed in
Modular Building
Controller
Modular Equipment
Controller
- OR -
Driver Installed in
RS-232
RS-485
Power PMD RXTXDTR
Trunk Interface II
Trunk
Interface
Third-party
Workstation
(Modbus
Master)
Figure 3. System Architecture—Modbus RTU Slave (RS-485 or Ethernet ALN).
Siemens Building Technologies, Inc. Page 3 of 6
Document No. 127-0153