SevenStar D07 Series - Electrical Interfacing

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Figure 6 is an example of system construction. “ → ” shows the direction of flow, please pay attention for the
flow direction .
Figure 6. Compression Fitting Connector Installation
Attention
:
When installing the fitting, you should manually use spanner to wrench it tighten by 1/2 turn pulling up,
(imported Compression Fitting should use spanner to be tighten in 1,25 turns) to prove its not blow-by
after your installing the front ferrule ,back ferrule and nut. Please note you should use two spanners to
operating, one spanner for locking the fitting stable and another one for revolving the nut. Especially
when you dismantle the tube, you should operate by the two spanners otherwise fitting will become
flexible which will affect its airproof function.
4.4 Electrical Interfacing
Figure 7. D07-7K Electrical Interfacing
Back Ferrule
Nut
Fittings
Tube
Front Ferrule
6
5
4
3
2
1
15
14
13
12
11
10
9
8
7
Set(0~5VDC)
-15VDC
-15VDC
+15VDC
Zero adjustment
Signal common
GND
Valve drive
Common
Power common
Output(0~5VDC)
+15V
+15V
-15V
-15V
Off
Auto
Purge
1
9
8
15