ECI MOVFR-LCD Installation Manual
Electronic Controls, Inc.
7073 North Atlantic Ave. Cape Canaveral, FL 32920
800-633-9788
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5.2
Variable Frequency Drive Board (VFD Board)
Figure 8 - Variable Frequency Drive Board
5.2.1
Frequency Board Electrical
•
220VAC
•
5A 250V fuse
5.2.2
Frequency Board Connections
•
L1
and
L2
– 240 VAC input power
•
U V W
– motor connections
•
Chassis Ground
•
GS and GS1 –
Gate switch dry contact.
•
RJ45 –
Communications port to Control Board.
5.2.3
Frequency Board LEDs
•
PWR
– On when power is present
•
BRAKE
– On all the time
•
FAULT
– On when no communications between Control board and Drive board
•
RIGHT
– On when motor turning a direction
•
LEFT
– On when motor turning opposite direction of Right
•
COM
– On when communications with Control board are good
