98 Functionality CG Drives & Automation, 01-5980-01r2
Jog Speed Reverse [352]
Jog Ramp Rate [353]
Setting the Jog Ramp Rate allows e.g. positioning of saw/
cutter during slow (Jog) speed. The jog speed will increase or
decrease towards the set jog reference speed with the set ramp
rate.
8.4 Load Monitor and Process
Protection [400]
8.4.1 Load Monitor [410]
The functions in this menu enable the softstarter to be used
as a load monitor. See explanation in section 7.3.4, page 56.
The alarm actions for alarms and pre-alarms can be chosen
independently of each other in menus [4111], [4121],
[4131], and [4141]. The corresponding alarm delays are set
in menus [4113], [4123], [4133], and [4143].
• Manual settings of the “Alarm Levels” are done in menus
[4112], [4122], [4132], and [4142].
• Settings of the Autoset “Alarm Margins” are done in
menus [4171]- [4174], and the “Autoset Alarm” is
activated in menu [4175] when running at what is
considered to be the “Normal Load”.
All alarm levels are calculated and expressed as a percentage
that refers to the nominal motor power (menu [223]), i.e.
100% equals the nominal motor power.
It is possible to choose whether the load monitor shall be
active or not during start, using the start delay function in
menu [416].
See detailed explanation of the load monitor function
(including examples) in section 7.3.4, page 56. For more
information regarding alarms, trips and warning. See section
8.2.4, page 76.
Maximum Alarm [411]
These menus contain the settings for the load monitor
maximum alarm.
Maximum Alarm Action [4111]
Setting of the wanted alarm behaviour when a “Maximum
Alarm” has been detected.
Default: 10%
Range: 1- 30% of nominal motor speed [225]
Default: 0.2 s/%
Range: 0.1 . 10.0 s/%
352 Jog RampRate
Stp 0.2s/%
Default: No Action
No Action 0
For a definition, see Table 23, page 55.
Hard Trip 1
Soft Trip 3
Warning 4
4111 MaxAlarmAct
Stp No Action
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