IFM AL1940 - Modbus; 8.3 Modbus; Integrate the AL1940 into the Modbus Project

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ifm Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940) 05 / 2018
Configuration Modbus
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8.3 Modbus
Integrate the AL1940 into the Modbus project .......................................................................................49
Set IO-Link master and IO-Link ports .....................................................................................................51
Read input data of several IO-Link ports ................................................................................................52
Read input data of individual IO-Link ports ............................................................................................53
Write output data of several IO-Link ports ..............................................................................................54
Write output data of individual IO-Link ports ..........................................................................................55
Read diagnostic information and events ................................................................................................56
Read device information .........................................................................................................................57
Control IO-Link master ...........................................................................................................................57
Configure IO-Link devices ......................................................................................................................57
Modbus: Programmers' notes ................................................................................................................58
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On the field bus side, the device can be configured with any Modbus compatible projection software.
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8.3.1 Integrate the AL1940 into the Modbus project
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The AL1940 provides the functionality of a Modbus-TCP slave. The user can integrate the IO-Link
master via the profile of a generic Modbus-TCP slave to a fieldbus project.
The IO-Link master, the IO-Link Ports and the process data are configured via the Modbus register of
the AL1940.