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|June 24th, 2004, 12:15 PM||#1|
Lost idea build a PLC trainer
I would like to build a PLC trainer/simulator, I have Digital Input and Output, Analaog Input and Output (0-10 VDC, 4-20mA),RTD module, and High Speed module.
On the front panel PLC simulator there are:
1)Many push buttons that connected to digital input
2)Many pilot lamps that connected to digital output
3)Potensiometers that gives source 0-10VDC and 4-20 mA connected to Analog input
4)Digital displays that will show up value from analog output (example digital Amperemeter will show value when potensiometer 4-20mA was turned or Digital Voltmeter will displaying 0-10VDC when potensiometer 0-10VDC was turned).
5)PT 100 sensor that connected to RTD module
6)Encoder that connected to High speed module(simulating rpm motor with turning encoder by hand)
What is the architecture to showing temperature value and speed/rpm using digital displays?
Is it good to use Scaling Meter(Digital Display) that connected to analog output (this display will make scaling from 4-20mA to engineering unit)?
Your advice would be appreciated, thanks!
|June 24th, 2004, 12:32 PM||#2|
I would make only very simple display, maybe even in bitmode or just simple, as it is read by normal plc. like hex or so.
on a display however (so in a scada system different story.
but a standard plc does only have simple lights, on a scada almost everything is possible.
i would make some simple screens, 1 for input 1 for output, 1 for registers, 1 for arithmetics, 1 for manual forced things 1 for communication.
but hey it is very basic a plc. however i do know several simulators so why invent the wheel again?
if so i am interested in result or as beta user.
J. Wassenaerstraat 29
NL 5224 GG 's-Hertogenbosch
|June 24th, 2004, 02:13 PM||#3|
our company has stopped constructing our own trainers. We found it better and cheaper to buy them from a firm called Lucas-Nülle . They offer a very good price/quality rate and an excellent service. We couldn't do better and cheaper ourselves.
Of course there are other firms with equal offers.
Jean Pierre Vandecandelaere
Trainer nautical sector
L. Blondeellaan 9
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