CHAPTER 4
OPERATING INSTRUCTIONS
Entire Contents Copyright 2004 by Adaptive Power Systems, Inc. (APSI) • All Rights Reserved • No reproduction without written authorization from APSI.
APS-3000P Series 4 - 8 OM-001-03000-00P-03.9
External Switching Control
For external control, you can also use your installed external RS-232 or GPIB port.
Both of these interfaces provide two-way APS-3000P control and data when using an
external controller. Please see Chapter 5 for details about using RS-232 and GPIB.
Alternatively, you can attach a simple external switching controller, such as a PLC, to
the 9-pin PLC D-sub connector on the rear panel. A PLC can be used to control the
output ON/OFF or to switch between any of three pre-programmed control memories
(P1, P2, or P3). Chapter 5 describes PLC operation.
NOTE: The PLC connector is NOT an input/output port for RS-232 serial data
or for GPIB parallel data. RS-232 or GPIB controllers must use their own port.
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