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Control Circuits with internal DC bus dynamic brake (ZKS)
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Note:
Do not pick o the E-Stop signal after the Bb contact.
If the safety end switches illustrated also function as a travel
range limit, then a separate set-up must be created in case of
actuation, which makes it possible to move back out of the
end position!
=>
limits".
The internal DC bus dynamic brake is used:
•
To brake energized permanent-magnet servo motors, if a controlled
braking with the drive controller is not possible as a result of a unit
fault.
•
For a quick discharge of the DC bus.
Note:
DKC**.3-016-7-FWs and DKC**.3-040-7-FWs have no internal
ZKS setup.
The ZKS connection have bridges installed at delivery, thus
deactivating the ZKS function.
=>
Connections".
CAUTION
customerservice@hyperdynesystems.com
See also rmware functional description: "Travel range
See page 4-62: "X5, DC bus, Motor and Mains
The ZKS does not guarantee personnel safety!
A DC bus dynamic brake will bring synchronous
motors to a standstill regardless of whether the drive
electronics are still working or not.
Without this, synchronous motors run uncontrolled if
the drive control electronics are faulty.
Asynchronous motors do not brake if the DC bus
voltage is short circuited!
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(479) 422-0390
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