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5.4
PC or terminal connection
Via the serial interface, you can configure the scan engine by means of a PC or terminal. For this, you need
a RS 232 connection that establishes the RxD, TxD and GND connections between PC and scan engine.
The RS 232 connection can be established in the following ways:
• Direct connection of the plug connector of the scan engine to the PC or terminal via its own connector.
• Connection via the DCR40-IFK Interface Kit and a MA-CR modular adapter unit.
To simplify the connection of the connection wires to the PC interface, a modular adapter unit (MA-CR)
is available for implementing the device connector to D-SUB, 9-pin (see chapter 13.2 "Accessories").
To work with the DCR 40 scan engine, the MA-CR modular adapter unit must be connected via the
DCR40-IFK Interface Kit that reduces the external voltage supply from 5 V DC to 3.3 V DC.
3
4
1
RS 232 connection
2
CR 50, DCR 50, DCR40-IFK Interface Kit, DCR 80 connection
3
DCR 55, DCR 85, CR 100, CR 55 connection
4
Molex Micro-Fit, 6-pin
5
USB connection
6
Connection to machine control, PLC, external voltage supply 5 V DC
7
External voltage supply 10 ... 30 VDC
8
SWIN DIP switch (level for trigger button; 5 V if the scanner high switching input is active, GND if the low input is
active)
9
USB/PWR DIP switch (USB position if voltage is supplied via USB; PWR position if voltage is supplied via (7))
10
Trigger button
11
Status LEDs
Fig. 5.3:
Connection options for MA-CR modular adapter unit
5.5
Cable lengths and shielding
The maximum cable length is 3 m.
Should a cable extension be necessary, make certain that the cables of the RS 232 interface are shielded.
Leuze electronic
2
8
9
5
6
1
10
11
7
DCR 40
Electrical connection
15
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