Freelance projects

Freelance projects

Need an industrial automation engineer

Embedded Systems & Microcontrollers — incorrectly specified categories?

50 USD

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Programming the algorithm for the operation of an asynchronous electric motor

There is an asynchronous electric motor:

We connect a frequency converter to this motor, one of the following

Sako SKI 780

Sako SKI 600

Sako SKI 70

Factory parameters of the motor -

1:40, that is, we reduce the rpm to 37.5 revolutions per minute with a gearbox and it rotates only in one direction

Task: to add external control to the frequency converter, so that it is possible to control the following parameters, in addition to the rotation speed, which is set by the frequency converter directly, namely:

1) change the direction of motor rotation

(Clockwise - counterclockwise)

2) rotation time (in seconds) to the right

pause time in seconds

rotation time (in seconds) to the left

and again pause time in seconds

For example: 10 seconds rotating to the right, 3 seconds resting, then 10 seconds to the left and again 3 seconds resting

These timings need to be adjustable

For example: 10-2-10-2 needs to be able to change during the operation of the motor to, for example, 7-1-7-1 or 9-4-9-4, etc.

Proposals 4

Please select

Sergey Didychuk

16 2

Projects 15
Rating -
Rating 324

Budget: 50 USD Deadline: 1 day

Hello. I will write what to buy, I will draw how to connect, feel free to contact...

Yurii Bondarenko

9 0

Budget: 50 USD Deadline: 5 days

It can be done using a programmable relay (timer) or take another frequency converter with PLC function.

Maxim Genov

7 2

Budget: 50 USD Deadline: 15 days

Hello. I developed something similar for SIMENS frequency converters. For clarification of details, write in the personal account.

Kyrylo Bielyi

0 0

Projects -
Rating -
Rating 110

Budget: 80 USD Deadline: 1 day

Good day, please write to me in private messages, I will help you do it.

Alexey Alexeev
Паттая, Thailand

Projects -
Rating -
Rating 20

Need an industrial automation engineer

Sergey Didychuk

Yurii Bondarenko

Maxim Genov

Kyrylo Bielyi

Proposals are currently absent

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