Bosch PIN8 N1 Instrukcja Naprawy Pobierz pdf (Strona 127)

100

101

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

1 2 ... 122 123 124 125 126 127 128 129 130 131 132 ... 727 728

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