Yaskawa F7 Drive User Manual User Manual download pdf (Page 105)

Basic Programming 5 - 4

 Run Command Source

 b1-02 Run Source Selection

In order to run the Drive and motor in REMOTE mode, the Drive must receive a run command and a speed command from an

external source. Parameter b1-02 specifies from where the RUN command will be accepted.

To issue a run command from the Digital Operator:

Set b1-02=0 and use the RUN and STOP keys on the Digital Operator to start and stop the Drive.

To issue the run command from the terminals:

Set b1-02=1 and select between 2-wire and 3-wire operation according to the following:

2-Wire Control: The factory setting is for 2-wire operation. In the 2-wire configuration, a closure between S1 and SN will be

interpreted as a Forward run command by the Drive. A closure between S2 and SN will be interpreted as a Reverse run

command. If both S1 and S2 are closed, the Drive will alarm and the Digital Operator will flash an EF fault. The Drive will not

run in this condition.

Fig 5.1 2-Wire Control

3-Wire Control: When any of the multi-function digital input parameters, H1-01 through H1-05, is set to 0, terminals S1 and

S2 become Run and Stop, respectively. The multi-function digital input that was set to 0 will function as a Forward/Reverse

input for the Drive. When the Forward/Reverse input is open the Drive will run in the Forward direction and when the input is

closed, the Drive will run in the Reverse direction.

In 3-wire operation, a momentary closure (> 50mS) between S1 and SN will cause the Drive to run provided that S2 and SN is

held closed. The Drive will stop any time the S2-SN connection is broken. If the 3-wire configuration is implemented via a

3-wire Initialization (A1-03=3330), terminal S5 becomes the Forward/Reverse input.

Fig 5.2 3-Wire Control

Setting Description

0 Operator - RUN and STOP keys on Digital Operator

1 Terminals - Contact closure between terminal S1 and SN (factory default)

2 Modbus Serial Communication - RS-422/485 terminals R+, R-, S+, and S-

3 Option Board - Option board connected to 2CN

FWD Run/Stop

REV Run/Stop

Run Command (Run on momentary “Close”)

Stop Command (Stop on momentary “Open”)

FWD/REV Run Selection (FWD Run when “Open” Rev Run when “Closed”

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Yaskawa F7 Drive User Manual User Manual Page 105