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Leuze electronic GmbH + Co. KG
MA 238
i
31
8.2.3 RS 232 service interface – X33
The X33 RS 232 interface facilitates the configuration of the Leuze device and the MA 238
i
via PC, which
is connected by means of a serial null modem cable.
X33 pin assignment – service connector
8.2.4 S10 service switch
The S10 DIP switch can be used to select between the "operation" and "service" modes, i.e. you switch
between the following options here:
• Operation (RUN) = default setting
• Service Leuze device (DEV) and
• Service fieldbus gateway (MA)
Figure 8.4: DIP switch service - operation
For further information on the corresponding options, see chapter 4.4 "Operating modes".
8.2.5 Rotary switch S4 for device selection
The S4 rotary switch is used to select the Leuze end device.
Figure 8.5: Rotary switch for device selection
The following switch positions are assigned to the Leuze devices:
SERVICE (9-pin SUB-D connector)
Pin
Name
Comment
2
RXD
Receive Data
3
TXD
Transmit Data
5
GND
Functional earth
Table 8.1:
SERVICE pin assignment
Leuze device
Switch position
Leuze device
Switch position
Default setting
Other RS 232 devices such as
KONTURflex QUATTRO
0
LSIS 4x2i, DCR 202i
7
BCL 8
1
Hand-held scanner
8
BCL 22
2
RFID (RFI xx,
RFM xx, RFU xx)
9
n.c.
3
BPS 8
A
BCL 300i, BCL 500i,
BCL 600i
4
ODS 9, ODSL 30, ODSL 96B,
BPS 300i
B
BCL 90, BCL 900i
5
MA 3x
C
LSIS 122, LSIS 222
6
Reset to factory setting
F