Weinzierl KNX IP BAOS 777 Specification sheet

©2015 WEINZIERL ENGINEERING GmbH
2015-07-31 Page 1/2
Operation and installation manual
KNX IP BAOS 777
(Art. # 5193)
Interface and ObjectServer between LAN and KNX Bus
Picture 1: Photo of the device Picture 2: Typical application
Application
The KNX IP BAOS 777 from WEINZIERL is a universal IP Inter-
face and IP Gateway for the KNX Installation Bus. BAOS stands
for "Bus Access and Object Server" and provides an interface to
KNX installations both on the telegram level (KNXnet/IP Tunnel-
ing) as well as on datapoint level (KNX Group Objects / KNX
Application Layer) with semantic meta-data for rooms and func-
tions. With its integrated web server, the device allows the visu-
alization of buildings, rooms and functions in a standard web
browser on a PC or mobile device.
The device provides these possibilities to access an installation:
As Programming Interface
On telegram level (KNXnet/IP Tunneling)
Can be used as bus interface for ETS® (Version 4.2 or
higher)
As Residential Gateway
Via KNX IP BAOS Binary Protocol
Via KNX IP BAOS Web Services
Via KNX IP BAOS RESTful Web Services
Via Web Application
Using a standard web browser
KNX IP BAOS 777 as Programming Interface
The KNX IP BAOS 777 can be used as interface to the KNX Bus
on the telegram level. It is compatible with the KNXnet/IP specifi-
cation and can be used as bus interface for ETS® or other pro-
grams that support the KNXnet/IP Tunnelling. It supports up to 8
simultaneous connections. The settings for the interface (e.g. IP
configuration) can be done with all the ETS product entries that
are available for this device.
KNX IP BAOS 777 as Residential Gateway
The KNX system is based on a specific protocol that is difficult to
implement for non-KNX devices. The KNX IP BAOS 777 maps
KNX data to an IT-friendly API (Application Programming Inter-
face). It greatly reduces the effort to connect e.g. control or
visualization tools to KNX. Also helpful is the storage of all data
point values – even if the device is not connected.
The KNX BAOS architecture not only allows access to the run-
time data, but also to the structure of the KNX installation. All
information about rooms in a building and the available functions
can be read as metadata from a client. With the ETS, the rooms
and the functions are defined, which should be available to the
user.
The KNX IP BAOS protocol is available in three different ver-
sions:
KNX IP BAOS Binary: A binary protocol that is espe-
cially suitable for small microcontroller.
KNX IP BAOS Web Services: A URL-based protocol
with JSON syntax compatible with KNX IP BAOS 771
and 772.
KNX IP BAOS RESTful Web Services: A URL-based
protocol with RESTful JSON syntax, which can be in-
tegrated into browser-based web applications.
The KNX IP BAOS 777 also features time and recording func-
tions available on the BAOS protocol.
KNX IP BAOS 777 via Web Browser
The KNX IP BAOS 777 has an integrated web server that allows
access to the device settings in a standard web browser.
With the help of the ETS product entry with building structure the
web server also offers visual representations of the entire KNX
installation including visualization of the building, rooms and
functions.
The data from the Residential Gateway are graphically displayed
in the browser and the functions can be operated directly via the
web interface. Timers are also available via the web server.
KNX IP BAOS 777 as application specific Gate-
way
To connect to non-KNX systems, the KNX IP BAOS 777 can be
used as an application specific Gateway (e.g. to connect heating
devices, audio applications and many more). In this case the
generic ETS product entry (with up to 2000 data points) can be
used for development purposes. Of course, individual product
entries can be developed. The datapoint types can be individual-
ly configured via ETS parameters.
BAOS SDK
Both for the use of the KNX IP BAOS 777 as a Residential
Gateway as well as for the development of application-specific
solutions the BAOS protocol must be implemented in the client.
For a quick and easy integration of BAOS Binary Services a free
SDK is available. More information about the BAOS SDK and the
free download can be found at www.weinzierl.de
E
N

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Installation and Connection
The KNX IP BAOS 777 is designed for installation on DIN rail
with a width of 2 units (36 mm). It features the following controls
(❻❼❽❾) and displays (❹❺):
❶ Power Connector 12-30 V DC
❷ KNX Bus Connector
❸ Ethernet Connector with PoE
❹OLED Display b/w
❺LED for Programming Mode
❻Up Button
❼Down Button
❽Escape Button
❾Enter Button
An external power supply only needs to be connected if the IP
switch in use does not support Power over Ethernet (PoE).
Access of settings
The settings of the device can be accessed via
1. Direct setting on the device
2. Internet browser and web interface
3. ETS (Version 4.2 or higher)
1. Direct setting on the device
Programming mode: The KNX programming mode is ac-
tivated / deactivated by pressing the buttons ❼+❾
simultaneously.
A. Startup and idle display
During startup of the device, the actual
IP address is displayed (if the device is
connected correctly). When display is
idle after startup, the IP address, physi-
cal address and database are displayed.
After 5 minutes of inactivity the display will turn into
screensaver mode (blank screen) to safe power.
Press any key to turn the display on again.
B. Main menu
By pressing ❼(arrow down) you enter
the main menu of the device. By press-
ing ❾(enter) you enter the submenus.
Within the menus you can use ❻(arrow
up) and ❼(arrow down) for navigation;
❾(enter) is for confirmation and ❽
(escape) is to cancel / go back / one
level higher.
C. Submenu IP Config
Select DHCP or Manual for IP configu-
ration. Within Manual you can set the IP,
subnet and gateway. Use ❻and ❼to
navigate/set and ❾to select.
Changing the IP address makes a new login necessary
for the web interface.
D. Submenu IP TUNNEL
The KNX IP BAOS 777 supports 8 sim-
ultaneous KNXnet/IP tunneling connec-
tions. You can display them in the sub-
menu IP Tunnel including their actual
status.
E. Submenu IP BAOS
In this submenu, you can display Binary
UDP and Binary TCP connections in-
cluding their actual status.
F. Submenu INFO
This submenu gives you information
about the device’s serial number, App
ID, App status, Firmware revision, and
MAC address.
G. Submenu RESET
This submenu allows you to restart your
device or to make a reset to factory set-
tings (master reset). Select one option
and then keep ❾pressed until the
small animation is finished and the op-
tion is executed.
The factory default settings after a master reset are:
Physical device address: 15.15.255
Physical addresses of tunneling connections 15.15.240-247
IP address allocation: DHCP
Master reset will make a new ETS download necessary.

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2. Internet browser and web interface
Thanks to an integrated web server, the KNX IP BAOS 777 can
be accessed by its own web interface. The address of the web
interface is http://XXX.XXX.XXX.XXX (the XXX stand for
the device’s IP address which is displayed on the device.)
User name and password for the web interface are
both admin by default and should be changed in the
ETS via a download.
The web interface consists of (up to) 5 main menu points in the
navigation (depending on the loaded database – structured or
generic):
A. App Visualization
B. Device
C. Data Points
D. Info and Help
E. Logout
A. App Visualization
If the standard (structured) database is loaded the device will
automatically generate the complete visualization of the building
including all rooms and functions. You can open the building,
control and set and also take a look at further details of your
individual functions such as history and timers.
For a detailed description of the functions and their
visualization, please see page 5ff of this manual.
B. Device
This is the “settings” menu: it allows general settings of the
device such as name, individual address, time and date and
switching the device into programming mode.
Networks settings such as IP address, IP assignment, Sub Net
Mask and Default Gateway can be set in this menu.
A new IP address makes a new client login necessary
with the new IP address.
“ETS section” contains information regarding the actual loaded
ETS application.
“Connections” allow settings and monitoring of BAOS Binary
UDP- and TCP-Client connections, BAOS Web Services, BAOS
REST Services and KNXnet/IP Tunneling connections.
By deactivating the BAOS REST Services the Web inter-
face will become inaccessible as well.
To use the Web interface again a reactivation by ETS
application download has to be done.
The “Device” section allows you to enable and disable the con-
figuration via the control buttons on the device itself. If disabled,
the device menu will still be accessible to read information but
changes cannot be done on the device itself.
Within “Web Application” section, the Webserver of the device
can be enabled/disabled.
By deactivating the devices Webserver, which is also
hosting the Web interface, the Web interface will become
inaccessible.
To use the Web interface again a reactivation of the
Webserver by ETS application download has to be don.
The “Hardware/Versions” section gives you an overview about
the Hardware and Firmware version of the device and you can
restart the application or reboot the device.
As the device can be updated by the user, you can drag and
drop the latest firmware file to update the KNX BAOS IP 777
(updates can be found on the product homepage at
www.weinzierl.de)
An update, a restart or reboot logs you out of the web in-
terface and you have to manually log into again.
C. Data Points
Within this menu, all active set data points within your project
can be monitored.
D. Info and Help
Here you can find additional information regarding the device
and ETS database.
E. Logout
The user can logout off the Web interface in this section.

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3. ETS – Connection Manager
Factory default settings:
IP address: DHCP
Individual KNX addresses:
Device address: 15.15.255
Tunneling 1: 15.15.240
Tunneling 2: 15.15.241
Tunneling 3: 15.15.242
Tunneling 4: 15.15.243
Tunneling 5: 15.15.244
Tunneling 6: 15.15.245
Tunneling 7: 15.15.246
Tunneling 8: 15.15.247
After connecting the interface to your LAN as well as to your
KNX bus and power supply, the ETS will discover the interface
automatically within its bus section.
By clicking on the discovered KNX IP BAOS 777 it will become
your current interface and the connection specific information will
appear in the right column of the ETS window.
The Device Name and the Host Individual Address can only be
changed within your ETS project.
Section ‘Individual Address’ enables you to change the physical
KNX address of the currently used KNXnet/IP tunneling connec-
tion. To check if the address you want to assign is unique within
your KNX installation you can click the button ‘Address free?’.
Changing the individual KNX
addresses of the device itself as
well as of the additional tunneling
connections can be done within
your ETS project after adding the
KNX IP BAOS 777 to your ETS
device tree.
By clicking on the KNX IP BAOS 777 device entry within your
ETS projects topology view, an information column ‘Properties’
will appear on the right side of the ETS window.
Within the ‘Settings’ overview, you can change the name of the
device. The ‘Individual Address section contains a list of all
assigned individual KNX addresses. The Device address is the
address of the device itself. This address is also visible within the
topology tree view of your ETS project.
Additional address 1 to 8 are the individual KNX addresses of
the KNXnet/IP tunneling connections the KNX IP BAOS 777
provides.
Each individual KNX address can be changed by clicking on the
list entry and typing in the desired address into the ‘Individual
Address’ text-field.
If the text-field frame switches to color red after entering the
address, the address is already taken within your ETS project.
Make sure that none of the addresses above are already
present in your KNX installation.
Within the ‘IP’ overview the IP network specific options of the
KNX IP BAOS 777 can be changed. Switching the radio button
from ‘Obtain an IP address automatically’ (by DHCP) to ‘Use the
following IP address’ (static IP address assignment) enables you
to change the devices IP address to a static one of your choice.
All changes made in ETS Properties section are only ac-
tive after an application download.
Speeding up the programming transfer
The programming (transfer from the ETS to the device) takes
place in the programming environment of the ETS. For the trans-
fer no additional KNX hardware interface is required as the KNX
IP BAOS 777 is connected to the KNX bus. However, the ETS
can access the device either via IP or KNX TP (bus).
Due to a considerably shorter transmission times is rec-
ommended to download via the IP side of the device.
The setting ‘”Use direct IP connection if available” significantly
speeds up the transfer between the ETS and the device as IP is
used and not TP.

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Configuration of the object server and
web visualization
The functional core of the KNX IP BAOS devices is the so-called
object server. The object server provides KNX group objects for
the communication with the building installation via the KNX bus.
The linking to other KNX devices is done via group address
assignment in ETS.
The object server has storage for the values of all configured
group objects. Technically speaking it holds process image for
the building control system. For client access the KNX IP BAOS
device provides a set of APIs (application programming interfac-
es) to read and write to the object values. So the client applica-
tion is decoupled from timing constrains on the physical bus.
The default ETS entry for the KNX IP BAOS 777 allows configur-
ing the group objects in the context of the structure of the build-
ing. This way semantic meta-data is generated which can be
used by the client application.
The data configured in the KNX IP BAOS 777 represents the
interface or even ‘face’ of the installation system to the user or to
the non-KNX part of the installation. While in a complex installa-
tion many devices and functions are present, only a subset
should be presented for the user.
With the parameter set of the KNX IP BAOS 777 the installer
configures the functions to be exported. A function is not limited
to a single group object, typically it is a set of objects. For exam-
ple a light which has a status feedback is realized by a function
holding two objects: one to control the light and a second receiv-
ing the current state. This relation is very important for using the
data.
All functions are related to rooms or to the building as such. This
is regardless of the real devices in the network. For example for
the user it is important to know that a light is in the living room,
he is not interested to know that the switching is done by a spe-
cific actuator in the electrical cabinet.
For the complete configuration only ETS® is required. There is
no additional editor needed. All the information configured in
KNX IP BAOS 777 is available for the connected client applica-
tion. Typical applications are visualization tools provided by third
parties.
The KNX IP BAOS 777 has an integrated web visualization,
which uses the exactly the same configuration for its auto-
generated graphical user interface. It can be used by the installer
to immediately test all functions even if no client is connected.
Using the KNX IP BAOS 777 with the Default
Application (Database with Building Structure)
The KNX IP BAOS 777 has a very flexible architecture and can
cope with different ETS product entries. The following describes
the default application with building structure
For development purpose a generic product entry is
available as well and it is documented in a separate
document. Please see the download section at
www.weinzierl.de for more info.
The following chapter describes the configuration of the object
server and the relation to the integrated web visualization.
When inserting a new device instance into a project no group
objects are visible. All functions can be enabled via parameter
settings. Via the device settings in ETS all functions and group
objects can be configured. This information can be used by any
client of the KNX IP BAOS 777 device. It is also used internally
to setup the visualization app in the web frontend. As the con-
trols of the visualization are directly related with the functions
selected in the ETS parameters, screen shots show the corre-
sponding controls.
A. General
This page allows the general settings of the device.
Display Sync
If enabled a group object will appear which allows the synchroni-
zation of all displays of this device family. It will send a ‘1’ if the
display is switched on. Vice-versa it switches the display on if a
‘1’ is received on this group object. This function is helpful to get
a quick overview of the states of all devices without touching one
after another.
Security / Username and Password
This is the login data to access the web interface of the device in
a web browser. To open the web page of the device, just enter
the IP address, which is visible on the display, as URL into the
address field of your web browser.
Username and password are both admin by default and
should be changed

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B. Services
This page allows enabling or disabling the access to the device
via different ways such as Tunnelling, BAOS Binary, BAOS
Webservices, and many more.
For security reasons, unused features should be disa-
bled.
C. Building
This page is provided for all functions of a building which are not
related with a single room. For example, date and time is valid
for the whole building. The same is true for wind and rain warn-
ing. Also the control for exterior lights can be configured here.
Building Name
The name of the building is used by the web frontend and avail-
able via web services.
Function B.1, B.2, B.X
On the page Building 16 functions are provided which can be
configured individually. Depending on the setup, the web inter-
face visualizes the building functions:
D. Rooms
This page is provided for all functions related to specific rooms.
Up to 24 rooms can be set up – each room with a maximum of
10 basic functions and 6 extended functions.
E. General functions overview
Building functions
(max. 16 per building)
Basic room functions
(max. 10 per room)
Switching Control
Switching Control with State
Dimming Control
Dimming Control with State
(On/Off)
Dimming Control with State (%)
Jalousie Control
Jalousie Control with State
Shutter Control
Shutter Control with State
Temperature
Temperature with Setpoint
Scene Control
Presence
Window Contact
Door Contact
Smoke Alert
Water Alert
RGB Control with State
Time
Date
HVAC Mode
Door Bell / Opener
Burglary Alert
Rain Alert
Wind Alert
Outdoor Temperature
Universal 1 Bit State
Universal Scaling Control
Universal Scaling State
Universal Scaling Control State
Universal 2 Byte Floatvalue State
Universal 4 Byte Floatvalue State
Switching Control
Switching Control with State
Dimming Control
Dimming Control with State
(On/Off)
Dimming Control with State (%)
Jalousie Control
Jalousie Control with State
Shutter Control
Shutter Control with State
Temperature
Temperature with Setpoint
Scene Control
RGB Control with State
Extended room functions
(max. 6 per room)
Switching Control
Switching Control with State
Dimming Control
Dimming Control with State
(On/Off)
Dimming Control with State (%)
Jalousie Control
Jalousie Control with State
Shutter Control
Shutter Control with State
Temperature
Temperature with Setpoint
Scene Control
Presence
Window Contact
Door Contact
Smoke Alert
Water Alert
RGB Control with State
Universal 1 Bit State
Universal Scaling Control
Universal Scaling State
Universal Scaling Control State
Universal 2 Byte Floatvalue State
Universal 4 Byte Floatvalue State

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1. Switching Control
This function controls a switching actuator. The following group
object will be available:
Group Object Type KNX
Size Direction
Function B.X : Switching – On/Off 1.001 1 Bit To KNX
In the visualization app of the
Web interface this selection
generates this control:
2. Switching Control with State
This function controls a switching actuator with state feedback.
The following group objects will be available:
Group Object Type KNX
Size Direction
Function B.X : Switching – On/Off 1.001 1 Bit To KNX
Function B.X : Switching – State 1.001 1 Bit From KNX
Web interface
(including indication
of “off” and “on”)
3. Dimming Control
This function controls a dimming actuator. The following group
objects will be available:
Group Object Type KNX
Size Direction
Function B.X : Dimming – On/Off 1.001 1 Bit To KNX
Function B.X : Dimming – Relative 3.007 4 Bit To KNX
Web interface
4. Dimming Control with State (On/Off)
This function controls a dimming actuator with state feedback.
The following group object will be available:
Group Object Type KNX
Size Direction
Function B.X : Dimming – On/Off 1.001 1 Bit To KNX
Function B.X : Dimming – Relative 3.007 4 Bit To KNX
Function B.X : Dimming – On/Off 1.001 1 Bit From KNX
Web interface
(including indication
of “off” and “on”)
5. Dimming Control with State (%)
This function controls a dimming actuator with state feedback.
The following group object will be available:
Group Object Type KNX
Size Direction
Function B.X : Dimming – On/Off 1.001 1 Bit To KNX
Function B.X : Dimming – Relative 3.007 4 Bit To KNX
Function B.X : Dimming – Value St. 5.001 1 Bit From KNX
Web interface
(including indication
of state in percent)
6. Jalousie Control
This function controls a jalousie actuator. The following group
objects will be available:
Group Object Type KNX
Size Direction
Function B.X : Jalousie - up/down 1.008 1 Bit To KNX
Function B.X : Jalousie - step/stop 1.007 1 Bit To KNX
Web interface
7. Jalousie Control with State
This function controls a jalousie actuator with state feedback.
The following group object will be available:
Group Object Type KNX
Size Direction
Function B.X : Jalousie - up/down 1.008 1 Bit To KNX
Function B.X : Jalousie - step/stop 1.007 1 Bit To KNX
Function B.X : Jalousie - Value St. 5.001 1 Bit From KNX
Web interface
(including indication
of state in percent)
8. Shutter Control
This function controls a shutter actuator. The following group
object will be available:
Group Object Type KNX
Size Direction
Function B.X: Shutter – up/down 1.008 1 Bit To KNX
Function B.X : Shutter: – Stop 1.010 1 Bit To KNX
Web interface

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9. Shutter Control with State
This function controls a shutter actuator with state feedback. The
following group object will be available:
Group Object Type KNX
Size Direction
Function B.X: Shutter – up/down 1.008 1 Bit To KNX
Function B.X : Shutter – Stop 1.010 1 Bit To KNX
Function B.X : Shutter – Value St. 5.001 1 Bit From KNX
Web interface
(including indication
of state in percent)
10. Temperature
This function monitors a temperature sensor. The following
group object will be available:
Group Object Type KNX
Size Direction
Function B.X : Temp. – State 9.001 2 Bytes From KNX
Web interface
11. Temperature with Setpoint
This function monitors a temperature sensor with controls. The
following group object will be available:
Group Object Type KNX
Size Direction
Function B.X : Temp. – State 9.001 2 Bytes From KNX
Function B.X : Temp. – Set Point 9.001 2 Bytes To KNX
Web interface
12. Scene Control
This function controls scenes. The following group object will be
available:
Group Object Type KNX
Size Direction
Function B.X : Scene - Number 18.001 1 Bit To KNX
Web interface
(5 scenes are available)
13. Presence
This function monitors a presence detector. The following group
object will be available:
Group Object Type KNX
Size Direction
Function B.X : Presence – State 1.002 1 Bit From KNX
Web interface
(indication of “inactive”
and “active”)
14. Window Contact
This function monitors a window contact. The following group
object will be available:
Group Object Type KNX
Size Direction
Function B.X : Contact – State 1.019 1 Bit From KNX
Web interface
(indication of “closed”
and “open”)
15. Door Contact
This function monitors a door contact. The following group object
will be available:
Group Object Type KNX
Size Direction
Function B.X : Contact – State 1.019 1 Bit From KNX
Web interface
(indication of “closed”
and “open”)
16. Smoke Alert
This function monitors a smoke alert sensor. The following group
object will be available:
Group Object Type KNX
Size Direction
Function B.X : Smoke Alert – State 1.002 1 Bit From KNX
Web interface
(indication of “off” and
“on”)

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17. Water Alert
This function monitors a water alert sensor. The following group
object will be available:
Group Object Type KNX
Size Direction
Function B.X : Water Alert – State 1.002 1 Bit From KNX
Web interface
(indication of “off” and
“on”)
18. RGB Control with State
This function controls a RGB light. The following group objects
will be available:
Group Object Type KNX
Size Direction
Function B.X: RGB – control 232.600 3 Bytes To KNX
Function B.X : RGB – state 232.600 3 Bytes From KNX
Web interface
(including a setting
and display of the
RGB values)
19. Time
This function displays a clock. The following group object will be
available:
Group Object Type KNX
Size Direction
Function B.X :Time 10.001 3 Bytes From KNX
Web interface
20. Date
This function displays a clock. The following group object will be
available:
Group Object Type KNX
Size Direction
Function B.X : Date 11.001 3 Bytes From KNX
Web interface
21. HVAC Mode
This function controls an air conditioning or heating. The follow-
ing group object will be available:
Group Object Type KNX
Size Direction
Function B.X : HVAC – State 20.102 1 Byte To KNX
Web interface
(including display of actual setting)
22. Door Bell / Opener
This function controls a door opener and monitors the door bell.
The following group object will be available:
Group Object Type KNX
Size Direction
Function B.X : Door opener 1.009 1 Bit To KNX
Function B.X : Door bell 1.001 1 Bit From KNX
Web interface
(indication of “closed”
and “open”)
23. Burglary Alert
This function monitors an alert system or motion detection sen-
sor. The following group object will be available:
Group Object Type KNX
Size Direction
Function B.X : Burglary Al. – State 1.002 1 Bit From KNX
Web interface
(indication of “inactive”
and “active”)
24. Rain Alert
This function monitors a rain sensor. The following group object
will be available:
Group Object Type KNX
Size Direction
Function B.X : Rain Alert – State 1.002 1 Bit From KNX
Web interface
(indication of “inactive”
and “active”)

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25. Wind Alert
This function monitors a wind sensor. The following group object
will be available:
Group Object Type KNX
Size Direction
Function B.X : Wind Alert – State 1.002 1 Bit From KNX
Web interface
(including indication
of “inactive” and “active”)
26. Outdoor Temperature
This function monitors an outdoor temperature sensor. The
following group object will be available:
Group Object Type KNX
Size Direction
Function B.X : Temp. – State 9.001 2 Bytes From KNX
Web interface
Further functions
With 26 predefined functions, the KNX IP BAOS 777 is offering
powerful control and monitoring solutions for a broad variety of
home automation applications.
However, if you need to implement further individual applications
the device offers 6 universal functions which can be configured
individually according to your needs:
27. Universal 1 Bit State
28. Universal Scaling Control
29. Universal Scaling State
30. Universal Scaling Control State
31. Universal 2 Byte Floatvalue State
32. Universal 4 Byte Floatvalue State
Weinzierl Engineering GmbH
D-84508 Burgkirchen / Alz
Germany
http://www.weinzierl.de
[e-mail]
WARNING
The device may be built into distribution
boards (230/400V).
The device must be mounted and commis-
sioned by an authorized electrician.
The prevailing safety rules must be heeded.
The device must not be opened.
For planning and construction of electric in-
stallations, the relevant guidelines, regulations
and standards of the respective country are to
be considered.