MPH-02, MPB-02, MPD-02
Motor, Mechanical Axis System, Measuring Systems
5-3
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
•
P-0-0512, Temperature sensor
•
P-0-0513, Temperature sensor characteristic
•
E2051 Motor overtemp. prewarning
•
F2019 Motor overtemperature shutdown
•
F2021 Motor temperature monitor defective
Functional Description
Motors with incorporated temperature sensor can be monitored by the
controller and protected against damage by thermal overload.
The controller is informed on the temperature sensor type via parameter
P-0-0512, Temperature sensor
. Standard sensor types are
characterized by a characteristic number. A characteristic stored in the
firmware is assigned to this number.
The measured motor temperature is monitored for the following threshold
values:
•
motor warning temperature (S-0-0201)
•
motor shutdown temperature (S-0-0204)
The threshold values have to be entered in the respective parameters,
depending on the thermally restricting material properties and
constructional features. Thermally restricting properties can be:
•
insulation class of the motor
•
type and construction of the bearing
•
allowed thermal effect on the machine design, etc.
If the temperature sensor was not connected this is detected by the motor
temperature monitor, too.
The thermal motor monitor has the following states:
Thermal status
Motor temperature...
Message or reaction
Thermal range not allowed, temperature
sensor possibly not connected.
... for 30 s
≤
-20°C
Error:
F2021 Motor temperature monitor defective
,
→
motor is immediately shut down (error reaction)
and switched off!
allowed thermal range
... < value of S-0-0201
no specific message or reaction
Thermal range allowed but warning
temperature exceeded, because
temperature has fallen below the
minimum distance to the upper limit.
...
≥
value of S-0-0201
warning:
E2051 Motor overtemp. prewarning
→
no specific reaction
Upper limit of allowed thermal range
reached!
...
≥
value of S-0-0204
Error:
F2019 Motor overtemperature shutdown
,
→
motor is immediately shut down (error reaction)
and switched off!
Fig. 5-1:
States of the thermal motor monitor
The current motor temperature can be queried via the value of parameter
S-0-0383, Motor temperature
.
Rexroth motors are equipped with standard type sensors. The respective
parameter value for the temperature sensor as well as for the motor
shutdown temperature are automatically set correctly when loading the
motor parameters!
Pertinent Diagnostic Messages
Rexroth Motors
Courtesy
of
CMA/Flodyne/Hydradyne
▪
Motion
Control
▪
Hydraulic
▪
Pneumatic
▪
Electrical
▪
Mechanical
▪
(800)
426-5480
▪
www.cmafh.com
