Technical data

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Siemens Web-Server OZW772... V5.2 CE1N5701en
Building Technologies 2014-10-15
Notes
The web server can be mounted in a panel, distribution box, or on a wall. Include
space for wiring when planning. Make sure service can easily access the unit and
the unit is ventilated properly.
 Standard mounting On standard rail TH 35-7.5.
 Wall mounting Attached with 2 screws.
 Mounting position Horizontal or vertical.
 Mounting and dimensions See "Dimensions".
Observe the following when installing:
 Run fuses, switches and wiring as per local regulations for electrical installa-
tions.
 We do not recommend plant monitoring via USB interface in environments with
strong electromagnetic interference (e.g. in industrial environments with electri-
cal welding equipment).
 See "Technical data" for electromagnetic compatibility.
The supplied AC 230 V power supply provides the
DC 24 V operating voltage for the web server.
The operating voltage, USB and Ethernet plugs are located on the upper part of
the housing.
The terminals on the device for the KNX bus are located under the removable cov-
er.
The connection terminals are designed for wire diameters of min. 0.5 mm or cross-
sections of 0.25...1.5 mm
2
or stranded wire cross-sections of 0.25...1.0 mm
2
.
Web-Server is commissioned directly via the portal with a PC/Laptop. A web
browser required on the PC/Laptop.
The web server can be commissioned locally via USB or with ACS790. The sup-
plied USB cable type A – Type Mini-B connects the web server to the PC/laptop.
Additional information is available in the included installation guide G5701 or com-
missioning guide C5701 at the Download Center at www.siemens.com/ozw772
manual.
ETS configures and commissions KNX S-Mode devices and is described in the
commissioning guide C5701.
A suitable router is required for remote operation via Internet.
The router must support NAT/PAT to access via the portal or via a direct connec-
tion using a fixed IP address. For a direct connection using a dynamic IP address,
it must also support a dynamic DNS server.
 The IP address via USB is set: 192.168.250.1.
 Default setting for IP address via Ethernet: 192.168.251.1.
 The network administrator must provide an IP address for the web server before
you can connect the web server via Ethernet to a managed network.
Mounting
Install
Important notes
Operating voltage
Wiring
Connection terminals
Commissioning
Connections
Router
IP address