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BK Precision 8500 User Manual

BK Precision 8500
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Current, A Duration, ms Between times
3 1000 0 and 1
0 800 1 and 2
2 500 2 and 3
0 300 3 and 4
6 500 4 and 5
This list has 5 steps, located at the transitions 1 through 5. The first duration, 1000 ms, occurs after
the triggered event. Subsequent durations are from the previous transition to the current transition.
Here are the keystrokes to set up this list:
Keys Display
Shift + Menu :CONFIG
:LIST SET
Enter :MODE SET
Enter Select :LIST mode. This will cause the LIST annunciator to turn on.
Enter :MODE SET
:EDIT LIST FILE
Enter :CURRENT LIST
Enter Select :REPEAT.
Enter LIST COUNT= N How many steps this list has. Enter the number 5.
5 Enter COUNT 1= X.XXA Set the current for the first step. Enter 3.
3 Enter COUNT 1= X.XXMS Set the duration for the first step. Enter 1000.
1000 Enter Repeat the current and duration entry for the following 4 steps.
Enter STORE LIST FILE1 The 1 is underlined, indicating you can enter a
number to specify the "file" (i.e., block of EEPROM) to store this list to.
Choose a number via the keypad or the knob. You can choose any
number between 1-8.
Enter :EDIT LIST FILE
Esc Esc Standard display
First, press the On/Off key. The load will sink the current that is stored as the CC mode parameter
(set it to 0 A if you don't want an initial current). Then press Shift + Trigger to have the list start
executing.
Should you wish to have the list only execute once after the trigger, you can edit the list to use
:ONCE instead of :REPEAT.
To exit List mode press the Shift and Trigger key
Test files
Test files are a generalization of lists -- they let you generate a sequence of tests using different
8500 DC Load Series Version: February 4, 2009 Page 37 of 76

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BK Precision 8500 Specifications

General IconGeneral
Maximum Power150 W
Current Range0-30 A
Load ModesCC, CV, CR, CP
Input Voltage100-240 VAC, 50/60 Hz
Voltage Resolution1 mV
Current Resolution1 mA
Ripple and Noise (CV)≤ 10 mVrms
Operating Temperature0°C to 40°C
Storage Temperature-10°C to 70°C
InterfaceRS232
DisplayVFD
Voltage Accuracy0.05% + 5 mV
Current Accuracy0.1% + 10 mA
Ripple and Noise (CC)10 mA rms

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