Datasheet

Status displays and operational controls
Leuze electronic MA 248i 43
TNT 35/7-24V
8.2.2 Connector X30 … connectors
PCB connectors X30 … X32 are available in the MA 248i for connecting the respective
Leuze devices via RS 232.
Figure 8.3: Connections for Leuze devices
Attention!
Several Leuze devices may not be connected to the MA 248i simultaneously, as only one
RS 232 interface can be operated.
8.2.3 RS 232 service interface – X33
The X33 RS 232 interface facilitates the configuration of the Leuze device and the MA 248i
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
SERVICE (9-pin SUB-D connector)
Pin Name Remark
2RXD Receive Data
3 TXD Transmit Data
5 GND Functional earth
Table 8.1: SERVICE pin assignment