Holding Brake (Option); General - Bosch Rexroth MAD Project Planning Manual

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Application notes
Motor with power connector
Temperature measurement sen‐
9.10

Holding brake (option)

9.10.1

General

Bosch Rexroth AG R911295781_Edition 11
The wire pair of the replacement sensor is electrically insulated inside the
flange socket housing at the motor (see
placement sensor, the housing has to be opened.
Designation
sors
Resistance at 25 °C
Resistance at 100 °C
Continuous current at 100 °C
Tab. 9-13: Temperature measurement sensor
The response temperatures of the sensors are as follows:
⇒110 °C Prewarning temperature
⇒120 °C Shut-off temperature
Exception:
● Frame size MAD225 ⇒ 120°C pre-warning temperature
● Frame size MAD225 ⇒ 130°C switch-off temperature
Fig. 9-8: Characteristic of temperature measurement sensor KTY84-130
(PTC)
For more information on the connection of temperature sensors, please refer
to chapter 8.7 "Temperature sensor " on page
The holding brake serves to hold axes which have come to a standstill. It may
only be used while the motor is at standstill or to carry out the brake test inte‐
grated in the drive.
Do not use the holding brake as an service brake for moving ax‐
es. If the holding brake is repeatedly activated with the drive rotat‐
ing or the allowed brake energy is exceeded, premature wear and
tear may occur. It has to be expected that the holding brake is
completely worn after approx. 20000 revolutions against the ap‐
plied brake.
MAD / MAF Asynchronous Housing Motors
fig. 8-2). For connection of the re‐
KTY84-130
577 ohm
1000 ohm
2 mA
184.