Device description
Leuze electronic
DCR 202i
11
3.1.3 Accessories
Special accessories are available for the code reader (see chapter 15):
• Mounting systems for mounting.
• Housing hood with integrated protective screen made of glass for increased protection against
scratches or welding sparks.
• Housing hood with integrated linear polarisation filter – avoids additional interfering reflections.
• Diffusor foil that can be affixed to housing hoods, with plastic or glass screen. The diffusor foil
reduces interfering reflections.
• Ready-made connection and interconnection cables for M12 connectors.
• External illumination and mounting bracket for external illumination.
For further information, contact your responsible Leuze electronic subsidiary or Leuze electronic cus
-
tomer service (see chapter 13).
• MA 2xxi modular connection units for connection to fieldbus systems (see chapter 7.6).
3.2
Device construction
1
Lens
2
Control panel with indicator LEDs, control buttons, bar graph display
3
LEDs for illumination (red light)
4
M4 mounting thread
5
Device housing
6
Housing hood
7
M12 connection technology
8
Feedback LED (green)
Figure 3.1: Device construction
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
interface
• D-coded, 4-pin, M12 connection for the Ethernet connection
2
3
3
1
8
5
7
6
4
