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ABB ACL30 User Manual

ABB ACL30
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72 Electrical installation
Safe Torque Off (X6)
For the drive to start, both connections (OUT1 to IN1, and OUT2 to IN2) must be
closed. By default, the terminal block has jumpers to close the circuit. Remove the
jumpers before connecting an external Safe Torque Off circuitry to the drive.
For more information, see Safe torque off function for ACL30 drive application guide
(3AXD50000045959 [English]).
Thermistor input (X4:8…9)
Motor temperature can be measured using PTC or KTY84 sensors connected to the
thermistor input.
WARNING! As the thermistor input on the JCU control unit is not insulated
according to IEC 60664, the connection of the motor temperature sensor
requires double or reinforced insulation between the motor live parts and
the sensor.
If the assembly does not fulfill the requirement, do any of the following:
- Protect the I/O board terminals against contact. Do not connect to any other
equipments.
or
- Isolate the temperature sensor from the I/O terminals.
Motor
T
Motor
T
TT
One PTC or KTY84 sensor
Three PTC sensors
TH
AGND
10 nF
TH
AGND
10 nF

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ABB ACL30 Specifications

General IconGeneral
BrandABB
ModelACL30
CategoryDC Drives
LanguageEnglish

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