7
7. Connections
If the HORIBA STEC ’s peripheral devices are not used, connect according to the figure
below.
The connections marked with
※
are necessary only when the respective functions are
required.
A control valve driving current(max 200mA) flows to the power COMMON line.
In order to prevent a voltage drop due to wiring be sure to wire the power COMMON line
and signal COMMON line separately and connect them on the power supply side.
Note: Pins no.1,6 and 8 are N.C. for SEF-E431X/E441X.
Open
Control
Close
※
SET
+15V
Power COMMON
-15V
1
2
3
4
5
6
7
8
9
Signal COMMON
Valve Test Point
N. C.
※
※
OUT
