Matrix Orbital PK202-24-USB User Manual
Page 14
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WARNINGS
•
RPM Reading should not be used at 5V.
•
There are no current limiting resistors.
•
Maximum current draw is 1000mA.
•
Default voltage setting is 12V.
•
As of Firmware Revision 2.1, the default PWM frequency is
19.1Hz.
2.2.2 Advanced GPO Power Select
12 Volt
5 Volt
Figure 9: High / Low Power Select
When the jumper is placed in the high power position, the unit supplies +12V to the advanced GPOs. If
the jumper is placed in the low power position, +5V is supplied to the GPOs. For 12V, external power by a
3.5” floppy connector will be required.
Matrix Orbital
PK202-24-USB
10
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