110
The bits for the control command word 1 are defined as follows:
Bit
Value
Function
Note
bit2~bit0
111B
Running command
Start VFD
(
enable when jog is disable
)
110B
Stop mode 0
Stop according to the preset deceleration
time(enable when jog is disable)
101B
Stop mode 1
Coast to stop
100B
Stop by external fault
Coast to stop and VFD display external
f
lt
011B
Stop mode 2
Not support
Others
Reserved
bit3
1
Reverse
Set the operating direction when run
command is enable
0
Forward
bit4
1
Jog forward
No action when bits for jog forward and
reverse are enable at the same time,and jog
stop when both are disable at the same time.
0
Jog forward disable
bit5
1
Jog reverse
0
Jog reverse disable
bit6
1
Enable Acc/Dec
The bit5~bit0 of control word 1 are enable
when this bit is enable.
0
Disable Acc/Dec
bit7
1
Host computer control word 1
enable
Selection bit of host computer control word
1
0
Host computer control word 1
disable
bit8
1
Main reference enable
Selection bit of main reference
0
Main reference disable
bit9
1
Fault reset enable
Selection bit of fault reset
0
Fault reset disable
bit15~bit10
000000B
Reserved
Note:
(
1
)
The host computer control word(control word1 and control word 2) is enable when set “Methods of inputting
operating commands” to “communication control”.The control word 1 is enabled when the bit7 of control word 1 is
enable.And bit5~bit0 are enable when the bit6 of control word 1 is enable.
(
2
)
Processing of fault and alarm in host computer:when VFD is failure,all the command of control word 1 and
control word 2,except fault reset command,are disable,it need to reset fault firstly before sending other
commands.When the alarm happens,the control words is still enable.
The bits definitions of control word 2 are shown as follows:
Bit
Value
Function
Note