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6.8.3
Implementation of the Stop Category 0
Bringing the motor to a standstill by immediately switching off the amplifier power supply
(
STOPMODE & ACTFAULT parameters set to 1
). The switching sequence is precisely
determined by this circuit in order to avoid undesirable fault messages and servo ampli-
fier failures.
It is not possible to achieve a Category 0 shut-down with the servo amplifier alone, since
hard-wired electromechanical components are compulsory for this type of disconnection.
A brake that is built into the motor must have an additional electromechanical control cir-
cuit, as well as the control through the SERVOSTAR 300, in order to meet Category 0.
Usually a brake in a servo motor only has the function of a holding brake. To ensure an
emergency stop function, the braking torque that is required must be checked. If the hold-
ing brake fulfills the dynamic requirements, it must be taken into acount that this applica-
tion will cause increased wear.
Circuit suggestion
(with EMERGENCY STOP Category 0, control function with contactor relays)
30
SERVOSTAR
®
300 Product Manual
Technical description
10/2007
Danaher Motion
SERVOSTAR