Nord Drivesystems SK 510P - Page 86

NORDAC PRO (SK 500P) – Users Manual for Frequency Inverters
86 BU 0600 en-2319
P111 P - torque limit factor S P
Setting range 25 … 400 %
Factory setting
{ 100 }
Description
"
P torque limit factor
". Directly affects the behaviour of the drive at the torque limit.
The basic setting of 100 % is sufficient for most drive tasks.
If the values are too high the drive tends to oscillate as it reaches the torque limit. If
values are too low, the programmed torque limit can be exceeded.
P112 Torque current limit S P
Setting range
25 … 400 % / 401
Factory setting
{ 401 }
Description
With this parameter, a limit value for the torque-generating current can be set. This
can prevent mechanical overloading of the drive. However, it cannot provide
protection against mechanical blockages. A slipping clutch which acts as a safety
device must be provided.
The torque current limit can also be set over a continuous range of settings using an
analogue input. The maximum setpoint (see compare adjustment 100 %, P403/P408)
then corresponds to the value set in P112.
The limit value 20 % of current torque cannot be undershot by a smaller analogue
setpoint (P400 = 2). In contrast, with the control method "CFC closed-loop (Servo
Mode) P300 setting "1", a limit value of 0% is possible.
Note A torque limit is not permissible for lifting equipment applications!
Setting values
Value Meaning
401
OFF
The torque current is not limited.
P113 Jog frequency S P
Setting range -400.0 … 400.0
Factory setting
{ 0.0 }
Description When using the ParameterBox to control the FI, the jog frequency is the starting value
after enabling.
Alternatively, if control is via the control terminals, the jog frequency can be activated
via one of the digital inputs.
Setting of the jog frequency can be performed directly via this parameter or, if the FI is
enabled via the keyboard, by pressing the OK key. In this case, the actual output
frequency is set in parameter P113 and is then available for the next start.
Note
Activation of the jog frequency via one of the digital inputs causes the remote control
to be switched off in case of bus operation. In addition, any setpoint frequencies which
are present are not taken into account.
Exception: analogue setpoint values which are processed via the functions
"Frequency addition" or "Frequency subtraction.