INTORQ BFK471-25, Перевод оригинальной инструкции по эксплуатации

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Commissioning and operation
INTORQ | BA 14.0200 | 02/2016 36
13. Screw the bridges back onto the motor terminals. Remove additional PE conductor, if necessary.
6.3.2 Monitoring wear
1. The switching contact for the brake must be open.
2. Remove two bridges from the motor terminals to de-energise the motor.
- Do not switch off the voltage supply to the brake.
- When connecting the rectifier to the neutral point of the motor, the PE conductor must also be con-
nected to this point.
3. Apply DC voltage to the brake.
4. Measure the AC voltage at the motor terminals. The measured level must be zero.
5. Close the switching contact for the brake.
- The brake will then be released.
6. Measure the DC voltage at the brake:
- Compare the DC voltage with the voltage indicated on the nameplate. A deviation of ±10 % is per-
missible. Note that the bridge-half-wave rectifier is used in this configuration!
7. Check the air gap "s
L
".
- The air gap must be zero and the rotor must rotate freely.
8. Start the proximity switch.
9. Check the technical specifications for the proximity switch: When using an operating voltage between
10 – 30 volts, the no-load current must remain under 10 mA. (The output current must not exceed
150 mA.)
10. Open the switching contact for the brake.
- The brake is applied.
11. Check the switching status for the wear check of the proximity switch (refer to Table 15):
- As long as the wear limit has not been reached, there must be a signal at the proximity switch, re-
gardless of whether the switching contact is opened or closed.
- If the wear limit is reached, no signal may be present at the proximity switch!
12. Switch off DC voltage for the brake.
Contact type Connection Brake released Proximity switch:
Signal is present
N/O contact black / blue / brown +24 V yes yes
no no
Tab. 14: Switching status of the proximity switch for checking the air gap