9300 Servo PLC
System blocks
2.13 Internal motor control (MCTRL_MotorControl)
2-64
9300ServoPLC EN 1.4
2.13.13.12 Plant speed monitoring N
Max
(MCTRL_bNmaxFault_b)
Purpose
Process monitoring
Function
A maximum plant speed can be entered under code C0596, independent of the direction of rotation.
The monitoring is released, if:
• the actual speed exceeds the limit C0596
• the actual speed is more than twice the value of C0011(n
max
).
Stop!
• For active loads (e.g. hoists)make sure that no torque is applied atthe drive. Special,
plant-specific measures are required.
• If the actual speed encoder fails, it is not ensured that this monitoring reacts.
Features:
• LECOM no.: 200
• Reaction: TRIP (cannot be modified)
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