Lenze DDS Target 9300 Servo PLC V8.x - Manual (Page 92)

2.12 MCTRL_MotorControl (node number 131)
9300 Servo PLC
System blocks
2−86
L
9300 Servo PLC EN 5.1
2.12.17.10 OH4 − heatsink temperature monitoring (adjustable)
This monitoring function protects the drive controller.
Error Monitoring function System variable Possible responses
No. Display TRIP Message Warning FAIL−QSP Off
x054 OH4 Heatsink temperature (adjustable) MCTRL_bKuehlGreaterC0122_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 (OH) via the monitoring function "heatsink temperature (fixed)".
( ^ 2−84)
·
With this function the process can be influenced to avoid a switch−off of the controller at an
unfavourable moment.
·
Furthermore, for instance, additional fans, which would cause an unacceptable noise in
continuous operation, can also be switched on and off.
MCTRL_bKuehlGreaterC0122_b is derived from a comparator with hysteresis.
·
The operating threshold is set under C0122.
·
Hysteresis is 5 K (fixed), i. e. monitoring is reset at 5 K below the operation threshold that has
been set.
·
The response is set under C0582.
Code LCD Possible settings IMPORTANT
Lenze Selection
C0122 OH4 limit 85 Temperature threshold for heatsink
temperature prewarning
"Tht > C0122" (fault OH4)
45 {1 °C} 85
C0582 MONIT OH4 2 Configuration of monitoring
2 Warning
3 Off