![background image](http://html1.mh-extra.com/html/ifm/al1940/al1940_device-manual_3898536012.webp)
12
ifm
Device Manual IO-Link Master with Modbus interface CabinetLine 8 Ports IP 20 (AL1940)
05 / 2018
Function
Digital inputs
>
4.1.5
Visual indication
7772
The device has the following visual indicators:
Status and error indication of the gateway, of the Modbus connection and of the system
Status display of the voltage supply
Status and activity display of the Ethernet connection
Status, error and short circuit/overload indication of the IO-Link ports
>
4.2
Digital inputs
7584
The device has 8 additional digital inputs (type 2 according to EN 61131-2).
The digital inputs are on clamp 2 of the IO-Link ports X01 ... X08.
All inputs refer to the potential of the device supply (clamp 3).
>
4.3
IO-Link supply
7623
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).