2-3 Pump Drives Operating Manual Cole-Parmer
External Start/Stop
Control
WARNING: Repeatedly applying AC line power to the drive as
a means of starting the pump can cause drive hardware damage
and will void the warranty. Use the control inputs located on the
9 pin connector to start and stop the pump; this will dramatically
reduce the current surge associated with starting the pump.
Replace the power cord only with one of the same type and
rating. The minimum power ratings are stated on the rear panel.
Figure 2-3. DB-9 Pin Connector Configuration with Wiring Scheme
Pin No. Description
DB-9
1
2
3
4
5
6 Start/Stop
7 Start/Stop
8
9
NOTE:
Jumper must be installed for pump to run.
Figure 2-4. DB-9 Pin Connector Jumper Installation.
Section 2
Installation and Setup
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