IFM AL1940 Application guide

Device Manual
IO-Link Master with Modbus TCP interface
CabinetLine
8 Ports
IP 20
AL1940
IO-Link: 1.1.2
ifm-Firmware: 2.1.28 or higher
LR DEVICE: 1.3.1.x or higher
English
7391167 / 01 05 / 2018

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Content
Table of Contents
1Preliminary note 5
1.1 Legal and copyright information...........................................................................................5
1.2 Purpose of the document.....................................................................................................5
1.3 Symbols and styles used.....................................................................................................6
1.4 Modification 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 Tampering with the unit........................................................................................................8
3Intended use 9
3.1 Permitted use.......................................................................................................................9
3.2 Prohibited use......................................................................................................................9
4Function 10
4.1 Communication, parameter setting, evaluation .................................................................11
4.1.1 IO-Link........................................................................................................................................11
4.1.2 Modbus.......................................................................................................................................11
4.1.3 Internet of Things (IoT)...............................................................................................................11
4.1.4 Parameter setting.......................................................................................................................11
4.1.5 Visual indication .........................................................................................................................12
4.2 Digital inputs.......................................................................................................................12
4.3 IO-Link supply....................................................................................................................12
5Mounting 13
5.1 Install the device ................................................................................................................13
6Electrical connection 14
6.1 Remarks.............................................................................................................................14
6.2 Modbus ports .....................................................................................................................15
6.3 IoT port...............................................................................................................................15
6.4 IO-Link ports.......................................................................................................................16
6.4.1 Input circuit.................................................................................................................................17
6.4.2 IO-Link circuits............................................................................................................................17
6.5 Connect the device ............................................................................................................18
7Operating and display elements 19
7.1 Overview............................................................................................................................19
7.2 LED indicators....................................................................................................................20
7.2.1 Status LEDs ...............................................................................................................................20
7.2.2 Ethernet interface.......................................................................................................................20
7.2.3 IoT port.......................................................................................................................................21
7.2.4 Power supply..............................................................................................................................21
7.2.5 IO-Link ports (Class A)...............................................................................................................21

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Content
8Configuration 22
8.1 LR DEVICE........................................................................................................................23
8.1.1 Remarks.....................................................................................................................................24
8.1.2 IoT: Configure access rights.......................................................................................................25
8.1.3 IoT: Configure IP settings...........................................................................................................26
8.1.4 IoT: Configure the interface to the LR SMARTOBSERVER.......................................................27
8.1.5 Fieldbus: configure Modbus port................................................................................................28
8.1.6 IO-Link ports: Activate data transfer to the LR SMARTOBSERVER ..........................................29
8.1.7 IO-Link ports: Configure operating mode....................................................................................30
8.1.8 IO-Link ports: Set the device validation and data storage ..........................................................31
8.1.9 IO-Link ports: set fail-safe values...............................................................................................32
8.1.10 Info: Show device information ....................................................................................................32
8.1.11 Firmware: Reset device to factory settings.................................................................................33
8.1.12 Firmware: Reboot the device......................................................................................................33
8.1.13 Configure IO-Link devices..........................................................................................................34
8.2 IoT Core.............................................................................................................................35
8.2.1 Configure IoT interface...............................................................................................................36
8.2.2 Configure the fieldbus port .........................................................................................................37
8.2.3 Configure IO-Link ports ..............................................................................................................37
8.2.4 Set application identification.......................................................................................................38
8.2.5 Read / write cyclic process data.................................................................................................38
8.2.6 Read diagnostic data..................................................................................................................38
8.2.7 Read device information.............................................................................................................39
8.2.8 Read information about IO-Link devices ....................................................................................39
8.2.9 Configure IO-Link devices..........................................................................................................40
8.2.10 Control IO-Link master ...............................................................................................................40
8.2.11 Examples....................................................................................................................................41
8.2.12 Programmers' notes...................................................................................................................45
8.3 Modbus ..............................................................................................................................49
8.3.1 Integrate the AL1940 into the Modbus project............................................................................49
8.3.2 Set IO-Link master and IO-Link ports.........................................................................................51
8.3.3 Read input data of several IO-Link ports....................................................................................52
8.3.4 Read input data of individual IO-Link ports.................................................................................53
8.3.5 Write output data of several IO-Link ports..................................................................................54
8.3.6 Write output data of individual IO-Link ports...............................................................................55
8.3.7 Read diagnostic information and events.....................................................................................56
8.3.8 Read device information.............................................................................................................57
8.3.9 Control IO-Link master ...............................................................................................................57
8.3.10 Configure IO-Link devices..........................................................................................................57
8.3.11 Modbus: Programmers' notes.....................................................................................................58

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Content
9Operation 60
9.1 Firmware update................................................................................................................60
9.2 Web interface: Read device and diagnostic information....................................................61
9.3 Replace IO-Link device......................................................................................................62
10 Maintenance 63
11 Factory settings 64
12 Accessories 65
13 Appendix 66
13.1 Technical data....................................................................................................................67
13.1.1 Application..................................................................................................................................67
13.1.2 Electrical data.............................................................................................................................67
13.1.3 Inputs / outputs...........................................................................................................................67
13.1.4 Inputs..........................................................................................................................................68
13.1.5 Outputs.......................................................................................................................................68
13.1.6 Interfaces....................................................................................................................................68
13.1.7 Environmental conditions ...........................................................................................................69
13.1.8 Approvals / tests.........................................................................................................................69
13.1.9 Mechanical data.........................................................................................................................69
13.1.10 Electrical connection ..................................................................................................................70
13.2 Modbus ..............................................................................................................................71
13.2.1 Register......................................................................................................................................72
13.2.2 Acyclic commands......................................................................................................................88
13.3 ifm IoT Core .......................................................................................................................97
13.3.1 Overview: IoT profile ..................................................................................................................98
13.3.2 Overview: IoT types..................................................................................................................101
13.3.3 Overview: IoT services.............................................................................................................102
14 Index 109

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Preliminary note Legal and copyright information
1Preliminary note
Legal and copyright information ...............................................................................................................5
Purpose of the document .........................................................................................................................5
Symbols and styles used..........................................................................................................................6
Modification history...................................................................................................................................6
14801
>
1.1 Legal and copyright information
1631
© 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 3S – Smart Software Solutions 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®(→www.io-link.com) is the property of the →PROFIBUS Nutzerorganisation e.V.,
Germany
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)
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
22044
This document is only for device types "IO-Link master - Modbus gateway (CabinetLine) 8 port IP 20"
(art. no.: AL1940).
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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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Preliminary note Symbols and styles used
>
1.3 Symbols and styles used
15989
WARNING
Death or serious irreversible injuries may result.
CAUTION
Slight reversible injuries may result.
NOTICE
Property damage is to be expected or may result.
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
>
1.4 Modification history
21676
Version
Topic
Date
00
New creation of document
04 / 2018
01
Update to firmware 2.1.28
05 / 2018

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Safety instructions General
2Safety instructions
General.....................................................................................................................................................7
Required background knowledge.............................................................................................................7
Safety symbols on the device...................................................................................................................7
Tampering with the unit............................................................................................................................8
213
>
2.1 General
22068
The plant manufacturer is responsible for the safety of the plant in which the device is
installed.
If the device is used in a way that is not intended by the manufacturer, the protection
supported by the device may be impaired.
Non-observance of the instructions, operation which is not in accordance with use as
prescribed below, wrong installation or incorrect handling can affect the safety of operators
and machinery.
►Observe these operating instructions.
►Adhere to the warning notes on the product.
>
2.2 Required background knowledge
22046
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
15021
General warning
Observe instructions in chapter "Electrical connection" (→Electrical connection (→p. 14))!

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Safety instructions Tampering with the unit
>
2.4 Tampering with the unit
11242
WARNING
Tampering with the units can affect the safety of operators and machinery!
Tampering with the units is not allowed.
In case of non-compliance our liability and warranty expire.
►Do not open the devices!
►Do not insert any objects into the devices!
►Prevent metal foreign bodies from penetrating!

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Intended use Permitted use
3Intended use
Permitted use ...........................................................................................................................................9
Prohibited use...........................................................................................................................................9
18761
>
3.1 Permitted use
11028
The IO-Link master serves as a gateway between intelligent IO-Link devices and the fieldbus. The
device is designed for use as cabinet module in plant construction.
>
3.2 Prohibited use
22053
The device may not be used beyond the limits of the technical data (→Technical data (→p. 67))!

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Function Prohibited use
4Function
Communication, parameter setting, evaluation......................................................................................11
Digital inputs...........................................................................................................................................12
IO-Link supply.........................................................................................................................................12
7482