Lenze Drive PLC Developer Studio 9300 Servo PLC (V8.x) - Manual (Page 90)

2.12 MCTRL_MotorControl (node number 131)
9300 Servo PLC
System blocks
2−76
L
9300 Servo PLC EN 5.0
2.12.17.11 OH7 − motor temperature monitoring (adjustable)
This monitoring function monitors the process.
Error Monitoring function System variable Possible responses
No. Display TRIP Message Warning FAIL−QSP Off
x057 OH7 Motor temperature (adjustable) MCTRL_bMotorTemp−
GreaterC0121_b · ü
· Lenze setting
ü Setting possible
This monitoring function is designed as an early warning stage before final disconnection of the drive
controller by means of TRIP (OH3) via the monitoring function "motor temperature (fixed)".
( ^ 2−74)
·
With this function the process can be influenced to avoid a switch−off of the motor at an
unfavourable moment.
·
Furthermore, for instance, additional fans, which would cause an unacceptable noise in
continuous operation, can be switched on and off.
MCTRL_bMotorTempGreaterC0121_bis derived from a comparator with hysteresis.
·
The operating threshold is set under C0121.
·
Hysteresis is 15 K (fixed), i. e. monitoring is reset at 15 K below the operation threshold that
has been set.
·
The response is set under C0584.
Code LCD Possible settings IMPORTANT
Lenze Selection
C0121 OH7 limit 150 Temperature threshold for motor
temperature prewarning
"TMot > C0121" (fault OH7)
45 {1 °C} 150
C0584 MONIT OH7 à Monitoring configuration: Motor
temperature
(Motor temperature > variable limit
temperature C0121)
à Dependent on C0086
·
Temperature monitoring via
resolver input
2 Warning
3 Off