Nova-Tech LMI Series HH Metering Pump User Manual
Page 16
![background image](/manuals/340343/16/background.png)
16
8.2 Optional 4-Pin Cable (P/N 33796 HH9 Only)
The optional 4-pin external cable is used for connecting incoming
pulse or pacing signals such as those triggered by a manual
switch, reed switch, opto-coupler or by NPN or PNP transistors.
The remote ON/OFF input is also accessed through the
standard 4-pin connector.
Table 2: Pin Out Table - 4-Pin Cable (P/N 33796)
Figure 6: 4-Pin Cable (P/N 33796)
8.3 Optional 4-Pin Cable (P/N 28368 HH7 Only)
The optional 4-pin external cable is used for connecting incoming
pulse or pacing signals such as those triggered by a manual
switch, reed switch, opto-coupler or by NPN or PNP transistors.
Figure 7: 4-Pin Cable (P/N 28368)
PIN
WIRE
SIGNAL
1
White
+15V Output
2
Black
Pacing input
3
Green
+15V Ground
4
Red
Remote ON/OFF
& Computer Input
PIN
WIRE
SIGNAL
1
White
Pacing Input
2
Black
Pacing input
3
None
None
4
None
None
Table 3: Pin Out Table - 4-Pin Cable (P/N 28368)