4. Trial Operation
4-14
4.8.4 FX / RX operation
1) FX Operation (Forward Run Command by Control Terminal)
① Apply 0V between AI1 and 5G (for setting by potentiometer, adjust it to Min).
② Check the motor speed display in display group shows ”+0.0rpm” after connecting the terminals FX and CM.
③ Increase AI1 voltage little by little and check the speed is increasing (for setting by potentiometer, turn the pot
to max. smoothly).
④ To stop the motor, disconnect the FX and CM terminal.
2) RX Operation (Reverse Run Command by Control Terminal)
① Apply 0V between AI1 and 5G (for setting by potentiometer, adjust it to Min).
② Check the motor speed display in display group shows ”-0.0rpm” after connecting the terminals RX and CM.
Increase AI1 voltage little by little and check the speed is increasing (for setting by potentiometer, turn the pot
to max. smoothly).
③ To stop the motor, disconnect the RX and CM terminal.
3) T
he cases of abnormal rotation due to the wrong wiring of encoder and/or motor during low speed
(about 100rpm) operation by control terminal.
Command
Rotating
direction
Speed display Torque display Wiring Status
FX Forward +100.0(rpm) Below +10%
RX Reverse -100.0(rpm) Below -10%
Normal
FX Forward -10 ~ -40(rpm) 150%(Torque Limit)
RX Reverse 10 ~ 40(rpm) -150%(Torque Limit)
Encoder wiring
reversed
FX Reverse -10 ~ -40(rpm) 150%(Torque Limit)
RX Forward 10 ~ 40(rpm) -150%(Torque Limit)
Phase V and W
wiring reversed
FX Reverse +100.0(rpm) Below +10%
RX Forward -100.0(rpm) Below -10%
Encoder and Motor
all reversed
z If A and B phase are reversed, be sure to replace A with B phase wire after checking the pulse
encoder wiring.
z If motor wires are reversed, be sure to replace V with W phase wire after checking the motor
output wiring.
z It does not need to change wiring if user changes the setting value of PAR_11(Enc Dir Set) from “A
Phase Lead” to “B Phase Lead”.
z Torque display is on the basis of the no load operation.
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