New to PLC's
New to PLC's
I am relatively new to PLC's. I did a course way back when i was an apprentice but dropped out after a few lessons due to finishing a 6 week project in a day and told to sit quietly for the the rest of the time...
For the past 5 years i have been working as a lead engineer in the HVAC controls field and am looking at re-learning PLC's as the hardware can be alot cheaper for certain applications (ie dumb I/O like switchboard monitoring) and i get the request a fair bit.
I have been playing with some of the automation direct software and the rockwell rslogix micro lite software with the emulator with success and now want to move on to getting some hardware for a more real world playaround.
My question is what PLC, HMI and required software would you recommend purchasing? (im not worried about brand at this stage)
I understand the price of the automation direct CLICK series is suggested alot although i dont know if this fits the bill for a test controller that im after. I also dont understand what it means by 21 instruction whether that is 21 instruction types or 21 instructions in total .
It would be nice to be able to do
- PID control (or write my own).
- Analogue control.
- Capability for high speed counting.
- Mid range control to perhaps do a large chiller manager routine (as a test study)
- Modbus master/slave over IP and rs485
- Optional C++ integration would be nice but i hear that is rare and is more VB these days
What may some of you suggest for a test product based on the above? (PLC, HMI and required software)
Thanks in advance