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Management
Parameter manual
b maXX
BM5800
Document No.: 5.16029.03
Baumüller Nürnberg GmbH
334
3.5
The following recommendation applies for setting the delay for the pulse inhibit, T
A
1
If the state monitoring is switched off (
Bit 1 = 0):
T
A
> T
1)
SignalCom
+ T
2)
mech
2
If the state monitoring is switched on (
Bit 1 = 1) and the response signal is
reporting the state of the current through the brake:
T
A
> T
mech
– T
3)
SignalFB
3
If the state monitoring is switched on (
Bit 1 = 1) and the response signal is
reporting the mechanical state of the brake:
T
A
= 0
1)
Processing time for the command in the controller, max. 2 ms
2)
Drop-out time of holding brakes depends on type, approx. 125-400 ms
3)
Duration of current reduction in brake coil (depends on type, approx. 30 ms) + processing time for response
in controller: max. approx. 32 ms.
The following must apply for a correct error reaction:
timeout check-back signal > T
SignalCom
+ T
SignalFB
3.5.3.2 Brake watchdog
A hardware watchdog can be activated by the parameter
bit 11 for the brake.
This watchdog responds at an opened brake as soon as the controller firmware does not
execute a triggering anymore due to internal errors. The responding time of the watchdog
is 1 ms. The watchdog causes an automatic closing of the brake.
The monitoring function operates inversely if the logic is inverted to the brake control.
Bit 9 of
specifies if the current firmware provides the watchdog functionality.
Содержание b maXX BM5800
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