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Siemens CU240B-2 Operating Instructions

Siemens CU240B-2
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DC braking when a fault occurs
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Requirement:
Fault number and fault response are assigned
via p2100 and p2101.
Function:
1. A fault occurs, which initiates DC braking as
response.
2. The motor brakes along the down ramp to
the speed for the start of DC braking.
3. DC braking starts.
DC braking initiated by a control command
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Requirement:
p1231 = 4 and p1230 = control command, e.g.
p1230 = 722.3 (control command via DI 3)
Function:
1. The higher-level control issues the
command for DC braking, e.g. using DI3:
p1230 = 722.3.
2. DC braking starts.
If the higher-level control withdraws the com‐
mand during DC braking, the inverter interrupts
DC braking and the motor accelerates to its
setpoint.
DC braking when the motor is switched off
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Requirement:
p1231 = 5 or p1230 = 1 and p1231 = 14
Function:
1. The higher-level control switches off the
motor (OFF1 or OFF3).
2. The motor brakes along the down ramp to
the speed for the start of DC braking.
3. DC braking starts.
Advanced commissioning
6.25 Electrically braking the motor
Converter with the CU230P-2 Control Units
314 Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE

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Siemens CU240B-2 Specifications

General IconGeneral
BrandSiemens
ModelCU240B-2
CategoryInverter
LanguageEnglish

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