Device Description HG G-7335xZA | English, Revision 05 | Date: 19.02.2020
16
Chapter 4 – Mounting
The connectors of the inputs BUS1/BUS2 are connected in parallel, i.e. there is no
input or output. If the interpreter is installed at the end of the bus line, a bus termi
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nator has to be provided. Those terminators can be ordered from different manufac
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turers and are available for most plugs and jacks.
4.2.4 Power supply and serial interface
Here a 5-pin A-coded M12 panel plug is used, in Figure 1 referred to as PWR RS232.
This connection serves as the power supply. Additionally the serial interface RS 232
can be used for configuration, see chapter 7 on page 20.
Table 6
Pin allocation of power supply and serial interface, connector PWR / RS232
PWR / RS232 (male) Pin
Signal
Annotation
1
+24 V
2
—
n.c.
3
TxD
Serial RS 232 data output
4
RxD
Serial RS 232 data input
5
GND
Casing GND
