Measurement Computing WavePort 312P rev.1.0 - Manual (Page 8)

1-2 Introduction and Hardware Setup PowerVista/312 User’s Manual
1.1.2 What Is EasyPower Measure ?
EasyPower  Measure  is a single software application that uses C++ object oriented programming to
accomplish the most critical needs of power system measurement. Each measurement feature represents a piece
of specialty hardware, and in most cases exceeds the scope of that hardware. All features are integrated into a
single fast access database so that any measurement can be retrieved with simple click and drag functionality.
1.1 Understanding the Hardware
Figure 1-1 (previous page) shows the basic hardware arrangement of PowerVista/312. Figure 1-2 provides more
information regarding hardware aspects of the PowerVista/312. Main points from the figure are as follows:
The left side of the case supports the signal connection panel. This panel is where voltage and current signal
inputs are made, as well as a safety ground connection. Various types of connections are illustrated and
discussed in Chapter 4.
The cover plate covers the data acquisition device and the uninterruptable power supply option (if part of your
unit). The laptop’s power adapter can also be mounted beneath the cover plate. A slot at the rear of the plate
permits cable passage. The left side of the cover plate contains circulation vents for forced-air cooling.
The communication cable (or optional WBK20 enhanced parallel port PC-card) links the acquisition device to
the PC via parallel (or enhanced parallel) port.
The 110 VAC outlet (on the cover plate) can be used to supply power to Laptop’s power adapter.
The power switch and LED (on the cover plate). The power switch turns power on or off for the UPS option
and the PowerVista/312 acquisition device. The LED lights when the switch is closed and power is available to
the unit. Note that power to the laptop is not related to the switch or LED.
Dual-lock tabs can be used to secure the Laptop and its power adapter to the cover plate. The dual-lock tabs are
similar to Velcro
TM .
A thru-hole (located on the case portion of the latch, just right of the case handle) can be used to attach a seal,
small padlock, or tag, or small chain.
110 VAC power-inlet (on the right side of the unit’s case) connects to a 110 VAC supply via a power cord.
Power through this inlet supplies the data acquisition device, optional uninterruptable power supply (UPS), and
unit receptacles, including the cover plate receptacle (for powering the Laptop).
Fan. The right side of the unit contains a fan for forced-air cooling.
Acquisition Device [Not Shown] – The data acquisition portion of the PowerVista/312 is located beneath the
cover plate and consists of a modified WaveBook. Separate documentation is provided for this portion of the
PowerVista/312.
Uninterruptable Power Supply option (UPS) [Not Shown]. This optional power supply (if ordered) is located
beneath the cover plate. The UPS option provides power to the acquisition device in instances of faltering or no
AC; and can be used as a battery to supply power for up to three hours. Note that the UPS is intended for use by
the acquisition device only. It is not connected to the receptacles that supply power to the laptop PC.