E6582233
F-31
6
[Parameter setting]
Title Function Settin
f304 Dynamic braking selection 1
f305 Overvoltage limit operation 1
f308 Dynamic braking resistance Proper value
f309 Dynamic braking resistor capacity Proper value
f626 Over-voltage stall protection level 136 (%)
★ To use this inverter in applications that create a continuously regenerative status (such as downward
movement of a lift, a press or a tension control machine), or in applications that require deceleration
stopping of a machine with a significant load inertial moment, increase the dynamic braking resistor
capacity according to the operation rate required.
★ To connect an external dynamic braking resistor, select one with a resultant resistance value greater than
the minimum allowable resistance value. Be sure to set the appropriate operation rate in
f308 and
f309 to ensure overload protection.
★ When using a braking resistor with no thermal fuse, connect and use a thermal relay as a control circuit for
cutting power off.
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