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Device description
Leuze electronic GmbH + Co. KG
DCR 258i
13
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 connection
PWR / SWIO
HOST
1
2
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
NOTICE
Devices with stainless steel housing do not have any control buttons.
Devices with stainless steel housing do not have a bar graph indicator.
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 reading quality (SIGNAL QUALITY)
– not with devices with stainless steel housing
• Two control buttons – not on devices with stainless steel housing