WAGO 758-915, WAGO-I/O-SYSTEM 758 Series User Manual

Manual

WAGO-I/O-SYSTEM 758

ETHERNET Gateway

Bluetooth®

758-915

Version 1.1.0, applicable from FW/HW Version 01/01

2 WAGO-I/O-SYSTEM 758
758-915 Bluetooth

®

ETHERNET Gateway

© 2014 by WAGO Kontakttechnik GmbH & Co. KG
All rights reserved.

WAGO Kontakttechnik GmbH & Co. KG

Hansastraße 27
D-32423 Minden

Phone: [phone] – 0
Fax: [phone] – 1 69

E-Mail: [e-mail]

Web: http://www.wago.com

Technical Support

Phone: [phone] – 5 55
Fax: [phone] – 85 55

E-Mail: [e-mail]

Every conceivable measure has been taken to ensure the accuracy and
completeness of this documentation. However, as errors can never be fully
excluded, we always appreciate any information or suggestions for improving the
documentation.

E-Mail: [e-mail]

We wish to point out that the software and hardware terms as well as the
trademarks of companies used and/or mentioned in the present manual are
generally protected by trademark or patent.

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WAGO-I/O-SYSTEM 758 Table of Contents 3
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Table of Contents

1 Notes about this Documentation ................................................................. 5

1.1 Validity of this Documentation ................................................................. 5

1.2 Revision History ........................................................................................ 5

1.3 Copyright ................................................................................................... 5

1.4 Symbols ..................................................................................................... 6

1.5 Number Notation ....................................................................................... 8

1.6 Font Conventions ...................................................................................... 8

2 Important Notes ........................................................................................... 9

2.1 Legal Bases ............................................................................................... 9

2.1.1 Subject to Changes ............................................................................... 9

2.1.2 Personnel Qualification ........................................................................ 9

2.1.3 Use in Compliance with Underlying Provisions .................................. 9

2.2 Special Use Conditions for ETHERNET Devices .................................. 10

2.3 Technical Condition of Specified Devices .............................................. 10

2.4 Storage, Assembly and Transport ........................................................... 10

2.5 Safety Advice (Precautions) .................................................................... 11

3 Device Description ..................................................................................... 13

3.1 View ........................................................................................................ 14

3.2 Labeling ................................................................................................... 15

3.3 Connectors ............................................................................................... 16

3.3.1 Pin Assignment for Power Supply ..................................................... 16

3.3.2 Pin Assignment for System Connection ............................................. 16

3.3.3 Antenna............................................................................................... 17

3.4 Display Elements .................................................................................... 19

3.5 Operating Elements ................................................................................. 20

3.6 Technical Data ........................................................................................ 21

3.6.1 Device Data ........................................................................................ 21

3.6.2 ETHERNET Interface ........................................................................ 22

3.6.3 Bluetooth® Interface ........................................................................... 22

3.6.4 Supply ................................................................................................. 22

3.7 Approvals ................................................................................................ 23

4 Mounting ..................................................................................................... 24

4.1 Selecting the Installation Location .......................................................... 24

4.2 Fixing ...................................................................................................... 26

5 Connect Devices ......................................................................................... 27

5.1 Connection .............................................................................................. 27

6 Commissioning ........................................................................................... 28

7 Configuration ............................................................................................. 29

7.1 Default settings ........................................................................................ 29

7.2 Configuration Using the Mode Membrane Button ................................. 30

7.2.1 Overview of Autoconfiguration Procedures ....................................... 30

7.2.2 Selection and Activation of an Autoconfiguration Procedure ............ 33

7.3 Configuration using the Web-based Management System (WBM) ....... 35

7.3.1 Accessing the Web-based Management System ................................ 35

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7.3.2 “Basic” – “Advanced” Modes ............................................................ 38

7.3.3 “System Overview” Section ............................................................... 39

7.3.4 “Network” Section.............................................................................. 41

7.3.5 “Bluetooth” Section ............................................................................ 43

7.3.5.1 Bluetooth: General ......................................................................... 43

7.3.5.2 Bluetooth: Security ........................................................................ 44

7.3.5.3 Bluetooth: Roaming ....................................................................... 44

7.3.5.4 Bluetooth: WLAN Coexistence ..................................................... 46

7.3.5.5 Bluetooth: Connection ................................................................... 47

7.3.6 “Miscellaneous” Section .................................................................... 49

7.3.6.1 Execution of AT Commands ......................................................... 50

8 Appendix ..................................................................................................... 52

8.1 Sample Configurations ............................................................................ 52

8.1.1 Preparation .......................................................................................... 52

8.1.2 WEG-WEG Bridge ............................................................................. 52

8.1.2.1 Configuration of the 1st WEG Using the Mode Membrane

Button ............................................................................................ 53

8.1.2.2 Configuration of the 2nd WEG Using the Mode Membrane

Button ............................................................................................ 53

8.1.3 Roaming Among WEGs ..................................................................... 54

8.1.3.1 Common Configuration of WEGs ................................................. 55

8.1.3.2 Configuration of Access Point WEGs ........................................... 55

8.1.3.3 Configuration of a WEG with Changing Link Partners

(Roaming) ...................................................................................... 57

8.1.3.4 Roaming with Several Devices ...................................................... 57

8.1.4 One or More WEGs at a Generic Bluetooth® NAP ............................ 58

8.2 Time Response ........................................................................................ 59

8.2.1 Time response example: PROFINET ................................................. 59

8.3 Data Rate ................................................................................................. 60

8.4 Coexistence ............................................................................................. 60

8.4.1 Basics .................................................................................................. 60

8.4.2 Space-Division Multiplex (Adaptation of Transmitting Power) ........ 62

8.4.3 Frequency Multiplexing (Switching of Channels with AFH and

FHSS) ................................................................................................. 63

8.4.4 Low Emission ModeTM....................................................................... 65

8.5 Range in Open Field ................................................................................ 67

8.6 Data Security for Radio Transmission .................................................... 69

8.7 Health Considerations ............................................................................. 71

Glossary ................................................................................................................ 72

List of Figures ...................................................................................................... 76

List of Tables ........................................................................................................ 77

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WAGO-I/O-SYSTEM 758 Notes about this Documentation 5

Table 1: Revision History

Document

Device version

Revision
Hardware

Firmware

1.0.0

01

01

-

1.0.1

01

01

Editorial changes.

1.1.0

01

01

Section “Device Description” > … > “Pin Assignment for

Editorial changes.

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1 Notes about this Documentation

Keep this documentation!

The operating instructions are part of the product and shall be kept for the entire
lifetime of the product. They shall be transferred to each subsequent user of the
product. Care must also be taken to ensure that any supplement to these
instructions are included, if applicable.

1.1 Validity of this Documentation

This documentation is only applicable to the 758-915 (Bluetooth® ETHERNET
Gateway) of the WAGO-I/O-SYSTEM 758 series.

The Bluetooth® ETHERNET Gateway shall only be installed and operated
according to the instructions in this manual.

1.2 Revision History

version

1.3 Copyright

This Manual, including all figures and illustrations, is copyright-protected. Any
further use of this Manual by third parties that violate pertinent copyright
provisions is prohibited. Reproduction, translation, electronic and phototechnical
filing/archiving (e.g., photocopying) as well as any amendments require the
written consent of WAGO Kontakttechnik GmbH & Co. KG, Minden, Germany.
Non-observance will involve the right to assert damage claims.

System Connection”: Figure corrected.

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1.4 Symbols

Personal Injury!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will
result in death or serious injury.

Personal Injury Caused by Electric Current!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will
result in death or serious injury.

Personal Injury!

Indicates a moderate-risk, potentially hazardous situation which, if not avoided,
could result in death or serious injury.

Personal Injury!

Indicates a low-risk, potentially hazardous situation which, if not avoided, may
result in minor or moderate injury.

Damage to Property!

Indicates a potentially hazardous situation which, if not avoided, may result in
damage to property.

Damage to Property Caused by Electrostatic Discharge (ESD)!

Indicates a potentially hazardous situation which, if not avoided, may result in
damage to property.

Important Note!

Indicates a potential malfunction which, if not avoided, however, will not result in
damage to property.

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Additional Information:

Refers to additional information which is not an integral part of this
documentation (e.g., the Internet).

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Table 2: Number notation

Number code

Example

Note

Decimal

100

Normal notation

Hexadecimal

0x64

C notation

Binary

'100'
'0110.0100'

In quotation marks, nibble separated with
dots (.)

Table 3: Font conventions

Font type

Indicates

italic

Names of paths and data files are marked in italic-type.
e.g.: C:\Programme\WAGO-I/O-CHECK

Menu

Menu items are marked in bold letters.
e.g.: Save

>

A greater-than sign between two names means the selection of a

e.g.: File > New

Input

Designation of input or optional fields are marked in bold letters,
e.g.: Start of measurement range

“Value”

Input or selective values are marked in inverted commas.
e.g.: Enter the value “4 mA” under Start of measurement range.

[Button]

Pushbuttons in dialog boxes are marked with bold letters in square

e.g.: [Input]

[Key]

Keys are marked with bold letters in square brackets.
e.g.: [F5]

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1.5 Number Notation

1.6 Font Conventions

menu item from a menu.

brackets.

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2 Important Notes

This section includes an overall summary of the most important safety
requirements and notes that are mentioned in each individual section. To protect
your health and prevent damage to devices as well, it is imperative to read and
carefully follow the safety guidelines.

2.1 Legal Bases

2.1.1 Subject to Changes

WAGO Kontakttechnik GmbH & Co. KG reserves the right to provide for any
alterations or modifications that serve to increase the efficiency of technical
progress. WAGO Kontakttechnik GmbH & Co. KG owns all rights arising from
the granting of patents or from the legal protection of utility patents. Third-party
products are always mentioned without any reference to patent rights. Thus, the
existence of such rights cannot be excluded.

2.1.2 Personnel Qualification

All sequences implemented on the device may only be carried out by electrical
specialists with sufficient knowledge in installation and handling of electrical
equipment. The electrical specialists must also be familiar with the current
standards and guidelines valid for the device.

2.1.3 Use in Compliance with Underlying Provisions

The device is used for wireless transmission of ETHERNET data packets per
IEEE 802.3. A radio link must be set up for this to another device, for example a
second 758-915, that also supports the Bluetooth® PAN profile.

The device has been developed for use in an environment that meets the IP65
protection class criteria. This specifies dust-tightness and protection against water
jets (nozzle) from any angle. Operation in hazardous areas is prohibited.

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2.2 Special Use Conditions for ETHERNET Devices

If not otherwise specified, ETHERNET devices are intended for use on local
networks. Please note the following when using ETHERNET devices in your
system:

• Do not connect control components and control networks to an open

network such as the Internet or an office network. WAGO recommends
putting control components and control networks behind a firewall.

• Limit physical and electronic access to all automation components to

authorized personnel only.

• Change the default passwords before first use! This will reduce the risk of

unauthorized access to your system.

• Regularly change the passwords used! This will reduce the risk of

unauthorized access to your system.

• If remote access to control components and control networks is required,

use a Virtual Private Network (VPN).

• Regularly perform threat analyses. You can check whether the measures

taken meet your security requirements.

• Use “defense-in-depth” mechanisms in your system's security configuration

to restrict the access to and control of individual products and networks.

2.3 Technical Condition of Specified Devices

The devices to be supplied ex works are equipped with hardware and software
configurations, which meet the individual application requirements. WAGO
Kontakttechnik GmbH & Co. KG will be exempted from any liability in case of
changes in hardware or software as well as to non-compliant usage of devices.

Please send your request for modified and new hardware or software
configurations directly to WAGO Kontakttechnik GmbH & Co. KG.

2.4 Storage, Assembly and Transport

Whenever possible, the components are to be stored in their original packaging.
Likewise, the original packaging provides optimal protection during transport.

When assembling or repacking the components, the contacts must not be soiled or
damaged. The components must be stored and transported in appropriate
containers/packaging. Thereby, the ESD information is to be regarded.

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2.5 Safety Advice (Precautions)

For installing and operating purposes of the relevant device to your system the
following safety precautions shall be observed:

Always use voltage sources with current limitation/safety extra-low voltage!

Only use power supply sources based on IEC/EN60950 Section 2.5 “Power
sources with limited output” with the device. The output of the external power
supply must be short-circuit protected. The output voltage of the external power
supply shall not exceed 30 VDC.

Do not use device in hazardous environments!

The device is not designed for use in hazardous areas.

Maintenance/Repair only by authorized specialists!

The device contains no parts that can be serviced by users. Always have all
service, reconfiguration, maintenance or repair work performed by specialists
authorized by WAGO.

Do not work on components while energized!

All power sources to the device shall be switched off prior to performing any
installation, repair or maintenance work.

Keep a distance of 20 cm to persons!

Install the device such that it is located at least 20 cm away from all persons
during operation.

Replace defective or damaged devices!

Replace defective or damaged device (e.g., in the event of deformed contacts),
since the long-term functionality of fieldbus station involved can no longer be
ensured.

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Protect the components against materials having seeping and insulating
properties!

The components are not resistant to materials having seeping and insulating
properties such as: aerosols, silicones and triglycerides (found in some hand
creams). If you cannot exclude that such materials will appear in the component
environment, then install the components in an enclosure being resistant to the
above-mentioned materials. Clean tools and materials are imperative for handling
devices/modules.

Cleaning only with permitted materials!

Clean soiled contacts using oil-free compressed air or with ethyl alcohol and
leather cloths.

Avoid electrostatic discharge!

The devices are equipped with electronic components that you may destroy by
electrostatic discharge when you touch. Pay attention while handling the devices
to good grounding of the environment (persons, job and packing).

Device uses radio waves!

Never use the device in areas where operation of radio equipment is prohibited.

Do not open the enclosure!

Never open the enclosure. Opening of the enclosure will nullify the guarantee,
legal warranty and authorization for use.

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3 Device Description

The Bluetooth® ETHERNET gateway 758-915 (“WEG” – Wireless ETHERNET
gateway) enables ETHERNET devices to be linked to a wireless Bluetooth®
network, in which the data received via the ETHERNET interface is transmitted
via Bluetooth®. In the other direction, data received at the Bluetooth® interface is
transmitted via the ETHERNET interface. As data transmission of ETHERNET
packets occurs with a transparent protocol on Layer 2 of the OSI reference model,
this provides for easy integration of all Ethernet-based fieldbuses, such as
MODBUS/TCP, ETHERNET/IP, PROFINET or PROFISAFE.

Together with a further Bluetooth® PAN profile compliant device with Ethernet
capabilities, such as a further WEG or a Bluetooth® access point (AP), the WEG
can also be used as a wireless substitute for ETHERNET cables. As a Bluetooth®
Class 1 device with additional, special functions implemented which enhance
coexistence, the WEG provides particularly robust, real-time-capable radio links
over long distances without any adverse impact on other radio networks, such as
WLAN (IEEE 802.11 b/g).

Bluetooth

between 2 WEGs

®

transmission

Network 1 Network 2

Figure 1: Bluetooth

®

transmission between 2 WEGs

An innovative operator control concept enables easy initiation of automatic
configuration processes using a Mode membrane key on the device. This can be
used to configure a substitute cable link between two WEGs in only a few
seconds, without using additional aids or hardware / software.

In addition to operation using the Mode membrane key and the 7 LED status
indicators, access to other status information and advanced device functions of the
WEG is also possible via a Web-based management system (WBM).

The WEG supports the “Simple Network Management Protocol” (SNMP).
Besides the object IDs (OIDs) for the RFC1213, the device also provides access to
further device-specific parameters. A corresponding description file for the
“Management Information Base” (MIB) is available from WAGO Support.

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Table 4: Legend for the “View” figure

No.

Description

Details see Section:

1

Status and diagnosis LEDs (front)

“Display Elements”

2

Internal circular polarized directional antenna 5 dB

“Connectors”

3

Fixing hole 1

“Mounting”

4

LEDs for link quality indication (bottom),
configuration and status indication

“Display Elements”
5

Mode membrane key for configuration

“Operating Elements”

6

Network connection, M12 socket on device

“Connectors”

7

Power supply, M12 connector on device

“Connectors”

8

Fixing hole 2

“Mounting”

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3.1 View

Figure 2: View

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3.2 Labeling

The status indicators for (POWER, (((.))), LAN) are marked on the front of the
device.

Figure 3: Marking on front of device

The connections (Power, LAN), link quality and configuration button (Mode) are
marked on the bottom of the device.

Figure 4: Marking on bottom

The device MAC address is included with other device data on the nameplate on
the back or side of the device.

Figure 5: Nameplate on back/side

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Table 5: Legend for the “Connections at bottom of device” figure

No.

Description

1

Power supply and trigger input (“Power”)

2

Network connection (“LAN”)

Table 6: Power supply, M12 Connector on Device

Pin

Pin assignment

1

Vin + (9 V … 30 VDC)

2

Trigger input ground

3

Vin Ground (0 V)

4

Trigger-input + (9 V … 30 VDC)

5

Not in use

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3.3 Connectors

The device is equipped with two connections at the bottom:

Figure 6: Connections at bottom of device

3.3.1 Pin Assignment for Power Supply

Power is supplied to the device via a 5-pole, A-coded M12 connector.

The trigger input reacts to rising flanks and can be used for setting up and
terminating radio links (see Section “Configuration using the Mode membrane
button” / “Configuration via the Web-based Management System (WBM)”).

3.3.2 Pin Assignment for System Connection

The device is connected to the ETHERNET network via a 4-pole, D-coded socket
and supports autonegotiation for 10/100 Mbit and the duplex mode.

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Table 7: System connection, M12 Socket on Device

Pin

Pin assignment

1

Transmit +

2

Receive +

3

Transmit -

4

Receive -

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3.3.3 Antenna

The device is equipped with an antenna. Good reception conditions exist when the
front of the device is oriented centered to the remote device with which the radio
link is to be established.

Figure 7: Aligning the device

As the device comes equipped with a circular polarized antenna, rotation of the
device around the link axis between the local and remote device does not have any
adverse impact on link quality.

The directional alignment (antenna) diagrams for the antenna are given in the
following figures for a frequency of 2.450 GHz.

The horizontal diagram illustrates the two-dimensional top view of the
electromagnetic field of the antenna, with the antenna being the center point. At a
beam angle of around 60° the antenna provides excellent reception levels;
reception continues to be good up to an angle of 90°, whereas reception markedly
deteriorates at beam angles of 110° and greater.

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Figure 8: Antenna diagram – Horizontal 2.450GHz

The vertical antenna diagram shows the side view of the antenna's
electromagnetic field.

Figure 9: Antenna diagram – Vertical 2.450GHz

The alignment characteristic for the internal antenna is primarily relevant for links
in the open field and over long distances. When operating the device at short
distances, inside buildings or without line-of-sight links structural conditions are
the decisive factor for good reception.

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Table 8: Legend for the “Display elements” figure

Nr.

Designation

Color

Status

Meaning

On

Device ready for operation

Off

Device not ready for operation

Blue

Bluetooth® link active

Blue flashing

Data transmission

Purple

Setting up link to other Bluetooth®
device

Red

Error

Off

No Bluetooth® link available

On

ETHERNET link available

Blinking

ETHERNET communication active

Off

No ETHERNET link available

A on

Acceptable link quality

A+B on

Good link quality

A+B+C on

Optimal link quality

A+B+C+D on

Excellent link quality

Off

No Bluetooth® link available

*

Status signals are also indicated via LEDs A to D during configuration. In this case, the indicators

membrane button”.

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3.4 Display Elements

The current device status is indicated by the three LEDs on the front of the WEG.

Four other LEDs at the bottom of the device indicate the link quality, or the
selected autoconfiguration procedure.

Figure 10: Display elements

1

Power

green

blue

2

((( . )))

purple
red

3

LAN

Link

4

Quality*

will differ from the status information given here, see Section “Configuration using the Mode

yellow

green

Observe the operating mode!

The indicators for (((.))) and LAN are only valid when the power LED signals
“Device ready for operation”. In special modes, such as device initialization or
firmware update, the LEDs mentioned previously may respond differently than
described above.

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Table 5: Legend for the “Operating element” figure

No.

Description

1

Mode membrane button

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3.5 Operating Elements

The “Mode” membrane button is located at the bottom of the device. This button
is used to initiate certain autoconfiguration procedures. LEDs A to D indicate
which procedure is active. For more information about this refer to the Section
“Configuration using the Mode membrane button”.

Figure 11: Operating element

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Table 9: Technical Data – Device Data

Function

Bluetooth® ETHERNET Gateway

Dimensions (mm)
W x H x D

66 x 91 x 36

Weight

120 g

Ports

Power connector:
M12 plug, A-coded

ETHERNET connector:
M12 socket, D-coded

Operating temperature

-30 °C ... + 65 °C

Storage temperature

-40 °C ... + 85 °C

Degree of protection

IP65

Relative humidity
(without condensation)

95 %
Connection to PE

not required

Fitting position

On a level mounting surface

Free from silicone

Yes

RoHS-compliant

Yes

Configuration

Via Web-based Management System
or using the Mode membrane button

Immunity to interference

Static discharge based on EN 61000-4-2:

Air discharge ± 8 kV

Electromagnetic fields based on IEC61000-4-3:
10 V/m, Criterion A

Mains borne disturbance based on IEC 61000-4-6:
10 V RMS, Criterion A

Rapid transients (burst) based on IEC 61000-4-4:

Power supply: 2 kV

Surge voltage based on IEC 61000-4-5:

Power supply: ± 0.5 kV

Emission of interference

per EN 55022 Class B (residential areas)

Mechanical stability

Schock test based on IEC 60068-2-27

Storage/Transport 50 g, duration 11 ms

Vibration test based on IEC 60068-2-6
Operation 5 g, 10-150 Hz, Criterion 3

Free fall based on IEC 60068-2-32
1 m

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3.6 Technical Data

3.6.1 Device Data

Contact discharge ± 4 kV

Data interface: 1 kV

Data interface: ± 1 kV

Operation 25 g, duration 11 ms

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Table 10: Technical Data – ETHERNET Interface

Number of inputs

1 (trigger input)

Medium

Via M12, twisted pair wire, wire cross section

0.14 mm² … 0.22 mm²

Baud rate

10/100 MBit/s, Autonegotiation

Default IP address

192.168.1.99

Default subnet mask

255.255.255.0

Table 11: Technical Data – Bluetooth® Interface

Bluetooth® version

Bluetooth® 2.0

based on IEEE 802.15.1; 2.4 GHz, max. 1 MBit/s

RF transmitting power

Bluetooth® Class 1

RF input sensitivity

-85 dBm at BER 0.1%

Wireless connections

1

Antenna

Internal directional antenna 5 dBi
(non-exchangeable)

Transmission range

Up to 400 m (class 1)

Topology

Point-to-point

Bluetooth® Profile

PAN, PANU

Coexistence

FHSS with AFH and/or user-defined channel

Low Emission Mode™

Security

Bluetooth® security mode 3 supported, 128-bit

PIN, non-discoverable mode

Table 12: Technical Data – Power Supply

Power supply connection

Via M12, max. wire cross section 2.5 mm²

Nominal Voltage

24 VDC (SELV)

Voltage range, permissible

9 V to 30 VDC

Current consumption, typical

65 mA at 24 VDC

Current consumption, maximum

200 mA at 24 V

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3.6.2 ETHERNET Interface

3.6.3 Bluetooth® Interface

3.6.4 Supply

mask, adjustable transmitting power,

encryption, authentication,

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Conformity Marking

R&TTE

Complaint with 1999/5/EG directive (per Article 3.2)

Bluetooth®

IC „Industry Canada“

IC: 5325A-090103AP

FCC "Federal Communications Commission"

/ CFR 47 Part 15, ETS 300328

FCC ID: PVH090103AP

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

received, including interference that may cause undesired operation.

758-915 Bluetooth

®

ETHERNET Gateway

3.7 Approvals

(1) this device may not cause harmful interference, and (2) this device must accept any interference

With the exception of Andorra, Bulgaria, France and Latvia, the device may be
used without restrictions in all European countries and in Switzerland, the USA
and Canada.

The device may be used inside buildings in Bulgaria.
In France, the transmitting power must be limited to 10 dBm when used outside of
buildings. In Norway the device may not be used with a radius of 20 km of the
town center of Ny-Âlesund (Spitzbergen).

Manual
Version 1.1.0, applicable from FW/HW Version 01/01

24 Mounting WAGO-I/O-SYSTEM 758
758-915 Bluetooth

®

ETHERNET Gateway

4 Mounting

4.1 Selecting the Installation Location

In order to use all the functions of the WEG, a radio link must be established to a
device having similar functions, for example a second WEG of the same type. If
the two devices are relatively close to one another, that is, if the distance between
them is considerably less than the potential range, the installation location and
device alignment will have comparatively little impact on the radio link. If you
wish to set up and maintain a radio link over the longest distance possible,
however, certain requirements regarding the installation of the device and the
ambient conditions must be fulfilled.

The distance between devices may not be too great. The maximum range can only
be effective under optimal conditions. A lack of line-of-sight link, or mis­alignment of the devices will result in reduced range.

For a line-of-sight link, install the devices such that the antennas are aligned
toward one another, i.e., the marked front side of the devices face one another (see
also the figure and the antenna diagrams in the section “Connectors” >
“Antenna”).

If there is no line-of-sight link, but both devices have an unobstructed view of the
same metallic or concrete surface (such as a building ceiling), a good radio link
can be ensured through reflection.

If there is neither a line-of-sight link, nor a surface to use for reflection, for
example between devices in different rooms, align the devices as for a line-of­sight link. The magnitude of the reduction in range for the devices in this case
depends on the amount of material, e.g., brick walls, that the radio waves must
pass through. In some circumstances, it may not be possible for the radio waves to
penetrate certain obstacles, such as fire protection walls, at all.

Manual
Version 1.1.0, applicable from FW/HW Version 01/01