Appendix
4.4 The Filterbox cable
The filterbox cable is the connection between the HSA and the PHOIBOS analyzer.
It consists on one end of two cables which are labelled “Analyzer” / “Lens” and on
the other there is a 12-Pin feedthrough. It is shown in figure 36.
4.4.1 Interlock connections
For all HSA hardware types there are safety interlocks in the cable so that the
voltages are only applied if the cable is connected.
These interlocks are as follows:
–Both Connectors: C1 and C2 have to be connected to ground.
–Analyzer Connector: A2 and A3 have to be connected to B1.
4.4.2 Pin Assignment
Figure 36 shows the pin assignment of the 12 PIN UHV feedthrough connector.
The relation between the two 30-pin and the 12-pin connector is as given in table 43
and 44.
12 Pin 30-Pin Lens
2 B4
3 A3
5 C5
6 B6
7 B8
8 A7
12 C3
Table 43: Lens connector
70 HSA3500 / HSA3500 plus Power Supply
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