AC voltage for U.S. or 230 AC voltage for Europe). Examples of Measurement Category
II are measurements performed on household appliances, portable tools, and similar
hardware.
• Measurement Category III is for measurement performed in the building installation at
the distribution level. This category refers to measurements on hard-wired hardware such
as hardware in fixed installations, distribution boards, and circuit breakers. Other
examples are wiring, including cables, bus bars, junction boxes, switches, socket outlets
in the fixed installation, and stationary motors with permanent connections to fixed
installations.
• Measurement Category IV is for measurements performed at the primary electrical
supply installation typically outside buildings. Examples include electricity meters and
measurements on primary overcurrent protection devices and on ripple control units.
Installing and Configuring
This section describes how to install the PXIe-6672 hardware and software and how to
configure the device.
Installing the Software
Refer to the readme.htm file that accompanies the NI-Sync software for software installation
directions.
Note Be sure to install the driver software before installing the PXIe-6672
hardware.
Installing the Hardware
The following are general installation instructions. Consult the chassis user manual or
technical reference manual for specific instructions and warnings about installing new
modules.
1. Power off and unplug the chassis.
2. Choose an available slot in the chassis. The PXIe-6672 can be installed in a System
Timing Slot (marked by either a square glyph shown in Figure 1. on page 5 or a square
glyph with a circle inside of it, as shown in Figure 2. on page 6), or in a non-timing
PXI Express (PXIe) slot.
Note Star trigger functionality and the ability to replace PXI_CLK10 are not
available when the PXIe-6672 is installed in a non-timing PXIe slot.
Figure 1. System Timing Device Slot Indicator Glyph without Circle
PXIe-6672 User Manual
| © National Instruments | 5
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