IFM AL1940 - Page 2

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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
1 Preliminary 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
2 Safety 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
3 Intended use 9
3.1 Permitted use ....................................................................................................................... 9
3.2 Prohibited use ...................................................................................................................... 9
4 Function 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
5 Mounting 13
5.1 Install the device ................................................................................................................13
6 Electrical 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
7 Operating 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