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71M6515H Demo Board User’s Manual
Note : For smooth operation of the PMTest program it is important to observe the following rules:
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?
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It is important to exit all programs that access COM port 1 before PMTEST.exe is started.
Make sure all applicable updates to the Windows ? operating system are installed before running
the application.
PMTest.exe will not run on Windows? 98 or older operating systems.
Real-time performance can be affected by processor-intense operations of the PC, such as starting new
applications, loading files into applications, or ending applications. Such operations have to be avoided to
ensure uninterrupted communication between PC and the 6515H Demo Board.
Do not press the ALT key on the keyboard!
1.8
1.8.1
USING THE DEMO BOARD
The 71M6515H Demo Board is a ready-to-use meter with a preprogrammed scaling factor Kh of 3.2
Wh/pulse. In order to be used with a calibrated load or a meter calibration system, the board should be
connected to the AC power source using the spade terminals on the bottom of the board. The current
transformers should be connected to the dual-pin headers on the bottom of the board. For the Kh to be
adjusted properly, current transformers with 2,000:1 winding ratio must be used.
STARTING UP THE DEMO BOARD AND THE GUI PROGRAM
In order to control and monitor the Demo Board, the connections specified in section 1.6 have to be
established.
The sequence of actions when powering up the Demo Board is as follows:
1.
2.
3.
4.
5.
6.
Power up the Demo Board
Start the GUI Control Program PMTest.exe.
Check for communication between the GUI Control Program and the 71M6515H. Communication is
established when the green “LED” indicator labeled 1SEC on the GUI screen flashes red every
second.
Initialize the 71M6515H to match the desired application and measurement parameters. Establish
the CE image, calibration factors, pulse parameters, nominal temperature, IMAX/VMAX using the
commands and fields described in 1.8.2.
Establish the desired configuration using the bits of the CONFIG register (field 16 in the GUI
window), but do not enable the CE.
Enable the CE by clicking the square button next to “CE_ENABLE”.
Once, voltage is applied and load current is flowing, the red LED D5 will flash each time an energy sum of
3.2 Wh is collected.
Similarly, the red LED D6 will flash each time a reactive energy sum of 3.2 VARh is collected.
1.8.2
CONTROLLING THE DEMO BOARD
Upon starting the PMTEST.exe application, the graphical user interface (GUI) of the demo application
shown in Figure 1-4 will be displayed on the screen. The gray boxes are the meter outputs and the white
boxes contain host, i.e. user, inputs.
It is important to enable the computation engine (CE) in order to see activity in the GUI window. You can
check the computation engine (CE) status by verifying the status of the button on the left of CE_ENABLE in
the “Config” block of the GUI. It should display a “1”, as shown in Figure 1-4. If not, the CE can be enabled
by clicking the “0” button to the left of the “CE_ENABLE” text using the left mouse button. Upon clicking, the
“0” will toggle to a “1”, and the green and red indicator lights underneath the “Status/Mask” text will start
blinking.
Revision 2.0
? Copyright 2005 TERIDIAN Semiconductor Corporation
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