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3.3
Connection technology
The device is connected using variously coded M12 connectors:
• A-coded, 12-pin, M12 connection for operating voltage, switching inputs/outputs, RS 232/RS 422 inter-
face
• D-coded, 4-pin, M12 connection for the Ethernet/PROFINET connection
1
PWR / SWIO
1
PWR / SWIO, M12 plug, 12-pin, A-coded
2
HOST, M12 socket, 4-pin, D-coded
Fig. 3.2:
Electrical connections
NOTICE
Ready-made cables are available for all connections (see chapter 16.4 "Cables accessories").
NOTICE
Shielding connection!
Ä The shielding is connected via the M12 connector housing.
3.4
Indicators and operational controls
The device is equipped with the following indicators and operational controls:
• Feedback LED
The green feedback LED indicates whether a read process was successful. This function is activated
upon shipment of the device from the factory and can be deactivated via the webConfig tool.
Upon successful decoding, the feedback LED illuminates briefly (GOOD READ, MATCH).
• Three indicator LEDs (PWR, NET, LINK)
• Six-level bar graph display for function selection and display of the read quality (SIGNAL QUALITY)
• Two control buttons
Leuze electronic
2
HOST
DCR 248i
Device description
13
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