Blocksize Power Modules (Pm240-2); Description Of Pm240-2 - Siemens SINAMICS S120 Manual
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Power Modules
4.2 Blocksize Power Modules (PM240-2)
Note
Malfunctions on non-Siemens equipment caused by high-frequency faults in residential
environments
In the first environment, Category C2 according to EMC product standard IEC 61800-3
(residential, commercial and industrial sector), the device may cause high-frequency
disturbance, which can result in malfunctions in other equipment.
• Have the installation and commissioning with appropriate radio interference suppression
measures preformed by qualified personnel.
Note
Connection authorization
Power Modules have been designed for use in the industrial environment and generate
current harmonics on the line side as a result of the rectifier circuit.
When connecting devices and equipment to the public low voltage supply (grid) with input
currents between 16 and 75 A, then EN 61000-3-12 applies.
When connecting a machine with integrated Power Modules to the public low-voltage line
supply, authorization is required in advance from the local power supply company (utility
company) if
• the rated input current of the motor ≤ 16 A per conductor, and
• the rated input current of the motor does not comply with the requirements specified in
EN 61000-3-2 regarding current harmonics.
Note
For a UL-approved system use UL-approved cables only.
4.2
Blocksize Power Modules (PM240-2)
4.2.1
Description of PM240-2
A Power Module is a power unit (frequency converter) that provides the power supply for the
connected motor. It must be connected with a Control Unit, in which its open-loop and
closed-loop control functions are saved.
Power Modules are designed for single-motor drives without energy recovery into the line
supply. Generated energy produced during braking is converted to heat in braking resistors.
Power Modules of the Blocksize format contain:
● Output inverter for the supply of a motor
● Braking chopper for (external) braking resistor
● 24 VDC / 1 A power supply
82
Manual, (GH6), 07/2016, 6SL3097-4AL00-0BP5
AC Drive
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