4-4 Operating the Converter
590 Series DC Digital Converter
Selecting Speed Feedback
AUXILIARY POWER ONLY IS CONNECTED AT THIS STAGE
Connect the auxiliary power supply to power terminals D7 and D8 (but do not connect the main
3-phase power supply at this stage). Check that the correct voltage appears between terminals
D7 and D8.
The MMI will now display the Welcome screen, and the Health and Overcurrent Trip MMI
LEDs will be illuminated (assuming that the Converter’s control terminals are wired as shown in
Figure 3-4, Minimum Connection Requirements).
Use a digital voltmeter to check for the following:
+24V rail at terminal C9, +10V rail at terminal B3, -10V rail at terminal B4
Using the MMI, select the correct speed feedback option. The default
is ARM VOLTS FBK. (Note that this is the last selection in the list,
use the ↑ (UP) key to reveal other selections).
The selections are ARM VOLTS FBK, ANALOG TACH, ENCODER
and ENCODER/ANALOG.
Note: Refer to Chapter 13: “Standard and Optional Equipment” - Speed Feedback Option
Boards for further information.
MMI Menu Map
1
SETUP PARAMETERS
2
SPEED LOOP
SPEED FBK SELECT
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