Service Operating Mode; Figure 7.1: Barcode Label "Service; Figure 7.2: Connecting The Rs 232 Interface To A Pc Or Terminal - Leuze electronic BCL 8 Series Manual

Commissioning
7.3.2

Service operating mode

Setting the required parameters is carried out easiest in the 'Service' operating mode. The
operating mode Service provides the following defined operating parameters on the RS 232
interface, no matter how the BCL 8 is configured for standard operation:
• transfer rate 9600 baud
• no parity
• 8 data bits
• 1 stop bit
• prefix: STX
• postfix: CR, LF
Activating the service interface
The service interface can be activated by holding a defined barcode label ("Service", see
figure 7.1) in front of the reading window during power-up (initialisation phase).
Figure 7.1:
While the laser switches on for approx. 1s after power-up, the "Service" label is to be held
up in front of the barcode reader at a suitable read distance. When the device is in service
mode, the status LED flashes orange.
Connection
You can connect a PC or a terminal to the BCL 8 via the serial interface and configure the
BCL 8 through this connection. The connection is made using an RS 232 connection cable
that establishes the RxD, TxD and GND connections between PC and BCL 8.
If the BCL 8 is connected to a connector unit, you can establish the connection in the same
way in front of the connector unit. For the respective pin assignments, please refer to the
data sheet of the connector unit.
Figure 7.2:
38
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Barcode label "Service"
PC
Connecting the RS 232 interface to a PC or terminal
SERVICE
BCL 8
3 GND
2 TxD
4 RxD
BCL 8
Leuze electronic