Setting up Compax3 C3I22T11
136 192-120114 N5 C3I22T11 June 2008
4.1.9. Limit and Monitoring Settings
In this chapter you can read about:
Current (Torque) Limit ......................................................................................................136
Positioning window - Position re
ached...........................................................................136
Following error limit ..........................................................................................................137
Maximum operating speed
...............................................................................................138
4.1.9.1 Current (Torque) Limit
The current required by the speed controller is limited to the current limit.
4.1.9.2 Positioning window - Position reached
Position reached indicates that the target position is located within the position
window.
In addition to the position window, a position window time is supported. If the actual
position goes inside the position window, the position window time is started. If the
actual position is still inside the position window after the position window time,
"Position reached" is set.
If the actual position leaves the position window within the position window time,
the position window time is started again.
When the actual position leaves the position window with Position reached = "1",
Position reached is immediately reset to "0".
Position monitoring is active even if the position leaves the position window becau-
se of measures taken externally.
3
1: Positioning window
2: positioning window time
3: Setpoint position reached (state / status word 1 Bit 10 = "1") and O1 (X12/3)
Linkage to the setpoint value
The signal ”position reached” can be linked to the setpoint value.
In addition, the internal setpoint value generation is evaluated.
It applies: The positioning window is only evaluated with a constant internal
setpoint value.
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