SECO−MDK−4KW−65SPM31−GEVB

www.onsemi.com

16

TESTING AND OPERATION

This section describes how to test and operate the

development board and present the test results. At the

beginning the Safety and Precautions are described, which

are a mandatory read before manipulating the board.

Safety Precautions

This section describes the Safety Precautions which are

a mandatory read before manipulating the board.

Attention:

The

SECO−MDK−4KW−65SPM31−GEVB

is

powered by external DC power supply, and is

exposed to high voltage. Only trained personnel

should manipulate and operate on the system.

Ensure that all boards are properly connected

before powering, and that power is off before

disconnecting any boards. It is mandatory to read

the Safety Precautions Table before manipulating

the board. Failure to comply with the described

safety precautions may result in personal injury or

death, or equipment damage.

Table 2. SAFETY PRECAUTIONS

1

Ground Potential

The ground potential of the system is biased to a negative DC bus voltage potential. When

measuring voltage waveform by oscilloscope, the scope’s ground needs to be isolated.

Failure to do so may result in personal injury or death.

2

USB Isolation

The ground potential of the system is NOT biased to an earth (PE) potential. When

connecting the MCU board via USB to the computer, the appropriate galvanic isolated USB

isolator have to be used. The recommended isolation voltage of USB isolator is 5 kV.

3

DC BUS Capacitors

SECO−MDK−4KW−65SPM31−GEVB system contains DC bus capacitors which take time

to discharge after removal of the main supply. Before working on the drive system, wait ten

minutes for DC BUS capacitors to discharge to safe voltage levels. Failure to do so may

result in personal injury or death.

4

Trained Personnel

Only personnel familiar with the drive and associated machinery should plan or implement

the installation, start−up and subsequent maintenance of the system. Failure to comply may

result in personal injury and/or equipment damage.

5

Hot Temperature

The surfaces of the NFAM5065L4B and development board drive may become hot, which

may cause injury.

6

ESD

SECO−MDK−4KW−65SPM31−GEVB system contains parts and assemblies sensitive to

Electrostatic Discharge (ESD). Electrostatic control precautions are required when

installing, testing, servicing or repairing this assembly. Component damage may result if

ESD control procedures are not followed. If you are not familiar with electrostatic control

procedures, refer to applicable ESD protection handbooks and guidelines.

7

Installation and Use

A drive, incorrectly applied or installed, can result in component damage or reduction in

product lifetime. Wiring or application errors such as under sizing the motor, supplying an

incorrect or inadequate AC supply or excessive ambient temperatures may result in system

malfunction.

8

Powering Down the System

Remove and lock out power from the drive before you disconnect or reconnect wires or

perform service. Wait ten minutes after removing power to discharge the DC bus

capacitors. Do not attempt to service the drive until the bus capacitors have discharged to

zero. Failure to do so may result in personal injury or death.