IFM AL1950 Application guide

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80284067 / 03 10 / 2020
Device manual
IO-Link master with IoT interface
CabinetLine
8 ports
IP 20
AL1950
Firmware: 3.1.x
English

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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Contents
1Preliminary note 5
1.1 Legal and copyright information...........................................................................................5
1.2 Purpose of the document.....................................................................................................5
1.3 Explanation of Symbols .......................................................................................................5
1.4 Change history.....................................................................................................................6
2Safety instructions 7
2.1 General ................................................................................................................................7
2.2 Required background knowledge ........................................................................................7
2.3 Safety symbols on the device..............................................................................................7
2.4 IT security.............................................................................................................................8
3Intended use 9
4Function 10
4.1 Communication, parameter setting, evaluation .................................................................11
4.1.1 IO-Link........................................................................................................................................11
4.1.2 Internet of Things (IoT)...............................................................................................................11
4.1.3 Security mode ............................................................................................................................11
4.1.4 Parameter setting.......................................................................................................................11
4.1.5 Visual indication .........................................................................................................................11
4.2 Digital inputs.......................................................................................................................12
4.3 IO-Link supply....................................................................................................................12
5Mounting 13
5.1 Install the device ................................................................................................................13
6Electrical connection 14
6.1 Notes..................................................................................................................................14
6.2 Connecting the IoT ports....................................................................................................15
6.3 IO-Link ports.......................................................................................................................16
6.3.1 Connect IO-Link devices for Class A operation..........................................................................16
6.3.2 Connect IO-Link devices for Class B operation..........................................................................17
6.4 Connect the device ............................................................................................................18
7Operating and display elements 20
7.1 Overview............................................................................................................................20
7.2 LED indicators....................................................................................................................21
7.2.1 IO-Link Ports (Class A)...............................................................................................................21
7.2.2 Power supply..............................................................................................................................21
7.2.3 Status LEDs ...............................................................................................................................21
7.2.4 IoT ports.....................................................................................................................................22

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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8Set-up 23
9Configuration 24
9.1 LR DEVICE........................................................................................................................25
9.1.1 Remarks.....................................................................................................................................26
9.1.2 IoT: Configure IP settings...........................................................................................................27
9.1.3 IoT: Configure security mode .....................................................................................................28
9.1.4 IoT: Configure the interface to LR AGENT or LR SMARTOBSERVER......................................29
9.1.5 IO-Link ports: Activate data transfer to LR AGENT or LR SMARTOBSERVER.........................29
9.1.6 IO-Link ports: Configure operating mode....................................................................................30
9.1.7 IO-Link ports: Set the device validation and data storage ..........................................................31
9.1.8 IO-Link ports: Configuration of fail-safe values...........................................................................32
9.1.9 Info: Show device information ....................................................................................................32
9.1.10 Firmware: Reset device to factory settings.................................................................................33
9.1.11 Firmware: Reboot the device......................................................................................................33
9.1.12 Configure IO-Link devices..........................................................................................................33
9.2 ifm IoT Core .......................................................................................................................35
9.2.1 Programmers' notes...................................................................................................................36
9.2.2 First steps...................................................................................................................................40
9.2.3 General functions.......................................................................................................................40
9.2.4 IoT: Configuring access rights....................................................................................................45
9.2.5 IoT: Configuring IP settings........................................................................................................45
9.2.6 IoT: Configuring the LR AGENT or LR SMARTOBSERVER interface .......................................46
9.2.7 IoT: Configuring security mode...................................................................................................46
9.2.8 IO-Link ports: Setting the operating mode of pin 4 (US).............................................................49
9.2.9 IO-Link ports: Configuring device validation and data storage ...................................................49
9.2.10 IO-Link ports: Configuring data transfer to LR AGENT or LR SMARTOBSERVER....................50
9.2.11 IO-Link ports: Reading / writing process data.............................................................................51
9.2.12 IO-Link ports: Indicating port events...........................................................................................54
9.2.13 IO-Link devices: Accessing parameters .....................................................................................54
9.2.14 IO-Link devices: Reading an writing device information.............................................................55
9.2.15 IO-Link devices: Indicating IO-Link events .................................................................................56
9.2.16 Gateway: Resetting, rebooting and localising the device ...........................................................56
9.2.17 Gateway: Reading device information........................................................................................56
9.2.18 Gateway: Reading status and diagnostic information.................................................................56
9.2.19 Gateway: Updating the firmware................................................................................................57
9.2.20 Gateway: Setting the application tag..........................................................................................59
9.2.21 Subscribing to notifications.........................................................................................................60
9.2.22 Using Web Socket......................................................................................................................64
9.2.23 MQTT support............................................................................................................................66
9.2.24 Using the IoT-Core Visualizer.....................................................................................................70

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10 Operation 77
10.1 Using web-based management .........................................................................................77
11 Maintenance, repair and disposal 78
11.1 Cleaning process ...............................................................................................................78
11.2 Updating the firmware........................................................................................................78
11.3 Replacing IO-Link device...................................................................................................78
12 Factory settings 79
13 Accessories 80
14 Appendix 81
14.1 Technical data....................................................................................................................82
14.1.1 Application..................................................................................................................................82
14.1.2 Electrical data.............................................................................................................................82
14.1.3 Inputs / outputs...........................................................................................................................82
14.1.4 Inputs..........................................................................................................................................83
14.1.5 Outputs.......................................................................................................................................83
14.1.6 Interfaces....................................................................................................................................83
14.1.7 Environmental conditions ...........................................................................................................84
14.1.8 Approvals / tests.........................................................................................................................84
14.1.9 Mechanical data.........................................................................................................................84
14.1.10 Electrical connection ..................................................................................................................85
14.2 ifm IoT Core .......................................................................................................................86
14.2.1 Overview: IoT profile ..................................................................................................................87
14.2.2 Overview: IoT types....................................................................................................................94
14.2.3 Overview: IoT services...............................................................................................................95
15 Index 109

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1 Preliminary note
Content
Legal and copyright information ...............................................................................................................5
Purpose of the document .........................................................................................................................5
Explanation of Symbols............................................................................................................................5
Change history........................................................................................................................................6
33203
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1.1 Legal and copyright information 33117
© All rights reserved by ifm electronic gmbh. No part of this manual may be reproduced and used
without the consent of ifm electronic gmbh.
All product names, pictures, companies or other brands used on our pages are the property of the
respective rights owners:
•AS-i is the property of the AS-International Association, (→www.as-interface.net)
•CAN is the property of the CiA (CAN in Automation e.V.), Germany (→www.can-cia.org)
•CODESYS™ is the property of the CODESYS GmbH, Germany (→www.codesys.com)
•DeviceNet™ is the property of the ODVA™ (Open DeviceNet Vendor Association), USA
(→www.odva.org)
•EtherNet/IP® is the property of the →ODVA™
•EtherCAT®is a registered trade mark and patented technology, licensed by Beckhoff Automation
GmbH, Germany
•IO-Link®is the property of the →PROFIBUS Nutzerorganisation e.V., Germany
(→www.io-link.com)
•ISOBUS is the property of the AEF –Agricultural Industry Electronics Foundation e.V.,
Deutschland (→www.aef-online.org)
•Microsoft®is the property of the Microsoft Corporation, USA (→www.microsoft.com)
•Modbus® is the property of the Schneider Electric SE, France (→www.schneider-electric.com)
•PROFIBUS®is the property of the PROFIBUS Nutzerorganisation e.V., Germany
(→www.profibus.com)
•PROFINET®is the property of the →PROFIBUS Nutzerorganisation e.V., Germany
•Windows®is the property of the →Microsoft Corporation, USA
>
1.2 Purpose of the document 34227
This document is only for device types "IO-Link master - IoT core gateway (CabinetLine) 8 port IP 20"
(art. no.: AL1950).
It is part of the device and contains information about the correct handling of the product.
►Read this document before using the device.
►Keep this document during the service life of the device.
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1.3 Explanation of Symbols 34171
WARNING
Warning of serious personal injury.
Death or serious irreversible injuries may result.

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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CAUTION
Warning of personaly injury.
Slight reversible injuries may result.
NOTICE
Warning of damage to property
Important note
Non-compliance can result in malfunction or interference
Information
Supplementary note
►...
Request for action
>...
Reaction, result
→...
"see"
abc
Cross-reference
123
0x123
0b010
Decimal number
Hexadecimal number
Binary number
[...]
Designation of pushbuttons, buttons or indications
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1.4 Change history 42750
Version
Topic
Date
00
New creation of the document
04 / 2019
01
Correction of device status
05 / 2019
02
Correction: Technical data - current rating per output
09 / 2019
03
▪Added: New IoT core functions
▪Added: IoT Core Visualizer
▪Correction: Description of the IoT Core Service getsubscriptioninfo
10 / 2020

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2 Safety instructions
Content
General.....................................................................................................................................................7
Required background knowledge.............................................................................................................7
Safety symbols on the device...................................................................................................................7
IT security.................................................................................................................................................8
28333
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2.1 General 58525
•The device described is a subcomponent for integration into a system. The manufacturer is
responsible for the safety of the system. The system manufacturer undertakes to perform a risk
assessment and to create documentation in accordance with legal and normative requirements to
be provided to the operator and user of the system. This documentation must contain all
necessary information and safety instructions for the operator, the user and, if applicable, for any
service personnel authorised by the manufacturer of the system.
•Read this document before setting up the product and keep it during the entire service life.
•The product must be suitable for the corresponding applications and environmental conditions
without any restrictions.
•Only use the product for its intended purpose (→Intended use (→S. 9)).
•If the operating instructions or the technical data are not adhered to, personal injury and/or
damage to property may occur.
•The manufacturer assumes no liability or warranty for any consequences caused by tampering
with the product or incorrect use by the operator.
•Installation, electrical connection, set-up, programming, configuration, operation and maintenance
of the product must be carried out by personnel qualified and authorised for the respective activity.
•Protect units and cables against damage.
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2.2 Required background knowledge 34185
This document is intended for specialists. Specialists are people who, based on their relevant training
and experience, are capable of identifying risks and avoiding potential hazards that may be caused
during operation or maintenance of the product.
The document contains information about the correct handling of the product.
>
2.3 Safety symbols on the device 34199
General warning
Observe instructions in chapter "Electrical connection" (→Electrical connection (→S. 14))!
>

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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2.4 IT security 54678
NOTICE!
If the device is operated in an unprotected network environment.
>Unauthorised read or write access to data is possible.
>Unauthorised manipulation of the device function is possible.
►Check and restrict access options to the device:
▪Restrict access to authorised persons.
▪Do not connect the device to open networks or the internet.
If access from the internet is inevitable:
►choose a safe method to connect with the device (e. g. VPN).
►Use encrypted data transmission (e. g. https / TLS).

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3 Intended use 34594
The IO-Link master serves as a gateway between intelligent IO-Link devices and the IoT core network.
The device is designed for use as cabinet module in plant construction.
►Use the device only within the limits of the technical data (→Technical data (→S. 82)).

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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4 Function
Content
Communication, parameter setting, evaluation......................................................................................11
Digital inputs...........................................................................................................................................12
IO-Link supply.........................................................................................................................................12
33836

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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4.1 Communication, parameter setting, evaluation
Content
IO-Link....................................................................................................................................................11
Internet of Things (IoT)...........................................................................................................................11
Security mode.........................................................................................................................................11
Parameter setting ...................................................................................................................................11
Visual indication......................................................................................................................................11
33860
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4.1.1 IO-Link 34084
The device offers the following IO-Link functions:
•IO-Link master (IO-Link revision 1.0 and 1.1)
•8 IO-Link ports for connection of IO-Link devices
•Provision of process data of the connected IO-Link devices for LR SMARTOBSERVER monitoring
software (→www.ifm.com)
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4.1.2 Internet of Things (IoT) 54679
The device offers the following IoT functions:
•Gateway for the transmission of process, parameter and monitoring data between IO-Linkmaster /
IO-Link devices and the IT network level
•REST-API to access process and parameter data
•Supported protocols: TCP/IP JSON, MQTT
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4.1.3 Security mode 54697
The IoT interface offers the following optional sercurity functions:
•Secure data transfer via encrypted connection (Secure Layer Transport - TLS)
•Access protection via authentification
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4.1.4 Parameter setting 34210
The device provides the following configuration options:
•Parameter setting of the IO-Link master of the AL1950 with LR DEVICE parameter setting
software, IoT core projection software or ifm IoT-Core services.
•Parameter setting of the connected IO-Link devices (sensors, actuators) with LR DEVICE
parameter setting software, IoT core projection software or ifm IoT-Core services
•Storage of parameter sets of the connected IO-Link devices for automatic recovery (data storage)
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4.1.5 Visual indication 34192
The device has the following visual indicators:
•Status and error indication of the gateway, of the IoT core connection and of the system
•Status display of the voltage supply
•Status and activity display of the Ethernet connection

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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•Status, error and short circuit/overload indication of the IO-Link ports
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4.2 Digital inputs 33817
The device has 8 additional digital inputs (type 2 according to EN 61131-2).
The digital inputs are on clamp 2 of the ports X01...X04.
All inputs refer to the potential of the device supply (clamp 3).
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4.3 IO-Link supply 34077
The device has 8 supplies for IO-Link devices.
The IO-Link ports X01...X08 are ports class A.
Every supply provides short circuit monitoring.
The device ensures fire protection for the connected IO-Link devices by providing a power-restricted
circuit at the IO-Link ports (according to IEC61010-1 and Class 2 according to UL1310).

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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5 Mounting
Content
Install the device.....................................................................................................................................13
34058
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5.1 Install the device 34070
►Disconnect power before installation.
The device contains components that can be damaged or destroyed by electrostatic
discharge.
►When handling the device, observe the necessary safety precautions against electrostatic
discharge (ESD).
►Only operate the device when mounted on a grounded DIN rail.
►Install the device in a control cabinet of protection rating IP 54 or higher. The control cabinet has
to be installed in accordance with local and national regulations.
►Fix the device vertically onto a 35 mm raised rail.
►Leave enough space between the unit and the top or bottom of the control cabinet as well as to
adjacent devices to enable air circulation and to avoid inadmissible heating.

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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6 Electrical connection
Content
Notes ......................................................................................................................................................14
Connecting the IoT ports........................................................................................................................15
IO-Link ports...........................................................................................................................................16
Connect the device.................................................................................................................................18
33805
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6.1 Notes 34181
The unit must be connected by a qualified electrician.
►The national and international regulations for the installation of electrical equipment must
be adhered to.
The unit is only suitable for operation using SELV/PELV voltages.
►Observe the information concerning IO-Link circuits!
The IP rating of the overall system depends on the protection ratings of the individual devices
and the applied connection elements.
For UL applications:
►To connect the IO-Link master, only use cables with AWG 26 to 12 and a minimum
temperature range of 75 °C.
Wiring: →Technical data (→S. 82)
The circuits are separated from each other and from device surfaces that could be touched by means
of basic insulation according to EN61010-1 (secondary circuit with 30 V DC maximum, supplied from
mains circuit up to 300 V of overvoltage category II).
The communication interfaces are separated from each other and from device surfaces that could be
touched by means of basic insulation according to EN61010-1 (secondary circuit with 30 V DC
maximum, supplied from mains circuit up to 300 V of overvoltage category II). They are designed for
network environment 0 according to IEC TR62102.

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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6.2 Connecting the IoT ports 33678
►Connect the unit via the sockets X21 and/or X22 to the IoT core
network.
►To connect the devices, use connectors with protection rating IP 20
or higher (→Accessories (→S. 80)).

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6.3 IO-Link ports 52232
The IO-Link ports of the device meet the requirements of the IO-Link specification 1.0 to 1.1.2.
►Please note the information concerning IO-Link wiring!
WARNING
Supply of energy to the IO-Link ports of the IO-Link master
>Risk of fire!
►Prevent supply and feedback of energy to the IO-Link ports.
►Before set-up check the correct connection of the supply cables.
>
6.3.1 Connect IO-Link devices for Class A operation 52233
Wiring information:
•The connected IO-Link devices must be supplied exclusively via the IO-Link master.
•The additional digital inputs of the IO-Link ports X01...X08 (clamp 2) have a type 2 behaviour
according to the standard EN61131-2. The connected electronics must be electrically suited for
this.
►Connect IO-Link devices to the ports X01...X08.
▪Maximum cable length per IO-Link port: 20 m
►To connect the devices, only use cables with protection rating IP 20
or higher.

IO-Link master with IoT interface CabinetLine 8 ports IP 20
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6.3.2 Connect IO-Link devices for Class B operation 52234
Wiring information:
•For the Class B operation, the IO-Link device must be supplied with an additional auxiliary voltage
UA.
•Wiring diagram:
US
UA
+24 V
GND
+24 V
GND
AL19
+24 V
GND
L+
L-
C/Q
L+ (US)
L- (US)
C/Q
L- (UA)
L+ (UA)
X31
X0n
IO-Link
Device
IO-Link Port
•Permitted maximum current intensity for UA: 4A
WARNING
Non-compliance with the electrical separation of the circuits
>Risk of fire!
►Ensure that the external supply UA is galvanically separated from the circuit of the
IO-Link Master by assuring basic insulation (according to IEC 61010-1, secondary circuit
with 30 V DC maximum, supplied from mains circuit up to 300 V of overvoltage category
II).
►Ensure that the IO-Link devices and the connection technology support the galvanic
separation.
►Connect the IO-Link devices to the ports X01 ... X08.
▪Maximum cable length per IO-Link port: 20 m
►Connect the IO-Link devices to UA with 24 V DC
(20...30 V SELV/PELV).
►To connect the IO-Link devices, only use cables with protection
rating IP 20 or higher.

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6.4 Connect the device 33890
►Disconnect power.
►Connect the IO-Link master via port X31 to 24 V DC
(20...30 V SELV/PELV).
▪Recommended maximum cable length: 25 m
►To connect the device, use cables with protection rating IP 20 or
higher.
With cable lengths greater than 25 m observe the voltage drop and the necessary minimum
supply voltage of 20 V!

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IO-Link master with IoT interface CabinetLine 8 ports IP 20
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7 Operating and display elements
Content
Overview.................................................................................................................................................20
LED indicators ........................................................................................................................................21
34063
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7.1 Overview 52236
1
2
1
1
1
3
1
IOL and DI status-LEDs of the IO-Link port (X01...X08
(→IO-Link Ports (Class A) (→S. 21))
2
PWR status LED of the voltage supply (X31) (→Power
supply (→S. 21)
Status LEDs RDY and IoT (→Status LEDs (→S. 21))
3
L/A and 10/100 MBits/s status LEDs of IoT port 1 (X21)
and 2 (X22) (→IoT ports (→S. 22))