Lenze Drive PLC Developer Studio 9300 Servo PLC (V8.x) - Manual (Page 91)

9300 Servo PLC
System blocks
2.12 MCTRL_MotorControl (node number 131)
2−77
L
9300 Servo PLC EN 5.0
2.12.17.12 OH8 − motor temperature monitoring via T1, T2
This monitoring function protects the motor.
Error Monitoring function System variable Possible responses
No. Display TRIP Message Warning FAIL−QSP Off
x058 OH8 Motor temperature (PTC) MCTRL_bPtcOverTemp_b ь ь ·
· Lenze setting
ü Setting possible
MCTRL_bPTCOverTemp_b is derived from the digital signal across the terminals T1, T2 next to the
power terminals UVW.
·
The switch−off threshold and the hysteresis depend on the encoder system (DIN 44081).
·
The response is set under C0585:
Code LCD Possible settings IMPORTANT
Lenze Selection
C0585 MONIT OH8 3 Monitoring configuration: Motor
temperature
(Motor temperature across T1/T2 too
high)
·
Temperature monitoring via PTC
input
0 TRIP
2 Warning
3 Off
Stop!
If you use the inputs T1, T2 to protect the motor, the monitoring response should not be "Warning"
or "Off" since the motor could be damaged or destroyed in the event of more overload!