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12 | Diagnostics
STOBER
140
05/2019 | ID 442790.01
12.2.7
Event 36: High voltage
The drive controller is interrupted:
§
The power unit is disabled and axis movement is no longer controlled by the drive controller
§
The brakes are no longer controlled by the drive controller and engage in the event of an inactive release override
(F06)
Cause
Check and action
Short delay times
Check the DC link voltage during the braking operation using the scope image (E03)
and, if necessary, reduce the delay values, use a (larger) braking resistor or connect a
DC link
Brake chopper deactivated
Check the values of the parameterized braking resistor and correct it if necessary
(A21, A22, A23)
Braking resistor connection error
Check the connection to the braking resistor and drive controller and correct them if
necessary
Braking resistor overloaded
Check that the maximum permitted braking resistor power loss is suitable for the
application and replace the braking resistor if necessary
Brake chopper is defective
Check the DC link voltage during the braking operation using the scope image (E03);
brake chopper is defective if the DC link voltage exceeds the on limit of the brake
chopper (R31) without the DC link voltage dropping; replace the drive controller if
necessary
Supply voltage exceeded
Check the supply voltage for an overrun of the permitted input voltage and adjust it
if necessary
Tab. 153: Event 36 – Causes and actions
12.2.8
Event 37: Motor encoder
The drive controller is interrupted if:
§
U30 = 0: Inactive
Response:
§
The power unit is disabled and axis movement is no longer controlled by the drive controller
§
The brakes are no longer controlled by the drive controller and engage in the event of an inactive release override
(F06)
The drive controller is interrupted with emergency braking if:
§
U30 = 1: Active and
§
A29 = 1: Active for STOBER device controller
or
§
U30 = 1: Active and
§
A540 = 2: slow down on quick stop ramp for CiA 402 device controller
Response:
§
The axis is stopped by emergency braking; the brakes are no longer controlled by the drive controller and engage in the
event of an inactive release override (F06)
§
At the end of emergency braking, the power unit is disabled and axis movement is no longer controlled by the drive
controller