Toshiba VF-A7 Welding System User Manual


 
F-48
Torque limits can be set with the parameters  and .
[Positive torque limit]
(
Selection of power running torque limit #1
):Set at (

)
(
Power running torque limit #1
) :Set a desirable torque limit level.
[Negative torque limit]
(
Selection of regenerative torque limit #1
):Set at (

)
(R
egenerative
torque limit #1) :Set a desirable torque limit level.
Parameter setting
Title Function Adjustment range Default setting

Selection of power running
torque limit #1
:
VI(voltage)
/
II(current)
:
RR(volume
/
voltage)
:
RX(voltage)
:
RX2(voltage)(optional)
: 

Power running torque limit #1
 [%], :
Invalid


Selection of regenerative
torque limit #1
:
VI(voltage)
/
II(current)
:
RR(volume/
voltage)
:
RX(voltage)
:
RX2(voltage)(optional)
:


Regenerative torque limit #1
 [%], :
invalid

Note) If the value set with  (stall prevention level) is smaller than the torque limit, then
the value set with  acts as the torque limit.
b) Limiting the torque with external signals
The torque limits can be changed arbitrarily by means of external signals.
With these parameters, you can set 4 patterns of positive torque limits and 4 patterns o
f
negative torque limits. Refer to 7.2 for the setting for switching from the terminal board.
Power running torque limit #1  Regenerative torque limit #1 
Power running torque limit #2  Regenerative torque limit #2 
Power running torque limit #3  Regenerative torque limit #3 
Power running torque limit #4  Regenerative torque limit #4 
Positive
Forward
Negative
Reverse
Power runningRegenerative
Power running Regenerative