Installation
GA 09.033/6.02 – (2011-07) –
©
Oerlikon Leybold Vacuum
25
3.5 Interface Connector RS232
The RS232C interface allows for operating CENTER
ONE via a HOST or terminal (
→
61). It can also be
used for updating the firmware (
→
90).
Connect the serial interface to the RS232 con-
nector on the rear of the unit using a screened
cable (electromagnetic compatibility).
DANGER
DANGER: protective low voltage
According to EN 61010, voltages
exceeding 30 VAC or 60 VDC are
hazardous.
If you are using CENTER ONE as
desk-top unit you may only connect
a protective low voltage (SELV).
Pin assignment
Pin assignment of the 9-pin D-Sub appliance connector:
Pin Signal
1
2
3
4
5
6
7
8
9
Not used
TXD
RXD
Not used
GND
DSR
Not used
CTS
GND