Miscellaneous; Various Printed Wiring Boards - JUKI LK-1900AN Engineer's Manual

7. Miscellaneous

(1) Various printed wiring boards

1) FLT-T board
· Single-phase 100V to 120V
· 3-phase 200V to 240V
· Single-phase 200V to 240V
Pulse generation is carried out for the purposes of power supply rectification, noise reduction, and the de-
tection of a momentary interruption.
Voltage changeover
・ Connected to 100V side for
100V to 120V.
・ Connected to 200V side for
200V to 240V.
CN3 : Momentary interruption detection signal → MAIN board
CN1 : Power input ← Power switch
・ In the signal-phase mode, the power
supply is connected to Pins 4-5.
・ In the 3-phase mode, the power
supply is connected to Pins 4-5-6.
CN2 : Power output → MAIN board
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