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  • Author Author: doctorcdf
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IMO iSmart

doctorcdf

Table of contents

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The IMO iSmart…..so much more than a Smart Relay!
The IMO iSmart features everything you would expect from a market leading Smart Relay* PLUS:
  • PID Control up to 30 loops;
  • Link function via built-in Modbus communications;
  • 12-bit analogue inputs;
  • Maths functions available;
  • Powerful control logic in both Ladder & Functional Block Diagram;
  • Easy HMI functionality;
  • Multi-language selectionable.
*everything you would expect…….
  • Digital, Analogue and Temperature Inputs
  • Relay, Transistor and Analogue Outputs
  • Available with or without Text HMI screen including programmable function keys
  • Retentive Data Registers
  • High Speed Inputs and PWM Outputs
  • CE, UL, cUL approval
  • Expansion modules for more I/O and more communication
  • Can be used as a Remote IO module
  • Inbuilt Real Time Clock
  • 8A Relay Output
  • Free Configuration Software
  • Available in 230VAC, 24VDC, 12VDC, 24AC power options
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Anonymous

  • FYI:  GE Durus Controller is a lot like iSmart but just not as smart.

     

    FYI #2:            # of i/o ports                16   <   64  <   960    <  multitasking   <  supervisor&control

        determines size class of PLC     nano   <  mini <  small  <     medium      <      large

     

    At least that is what Dr. Fernando Rios-Gutierrez says

    in the ECE 4951 – Senior Design Workshop.

     

    That sniffing about the internet led to another free for educational purposes Ladder Logic Simulator.

  • in reply to Former Member

    Okay, Mr. J, here is a question for you:  How do I wire up the iSmart to be the temperature contoller for my 60 watt solder iron?

     

    I am thinking a Thermocouple K sensor for Temperature Control

    and a Mini Relay SPDT 5 Pins 24VDC 10A 120V Contact

    with a life expectancy of 750,000 switching operations @ 120Vac 0.5A.

     

    The iSmart Data Sheet says that Analogue Input Impedance is 45KΩ.  I guestimate the thermocouple will generate 20mV @ 400C.  The current required is tiny: 10V / 45KΩ = 0.222 mA for full on and I am pretty sure that a transistor or op amp will be needed to condition the signal to enable driving the analog input of the iSmart PLC.  I say that because 20mV / 45KΩ = 0.444 microV.   This tells me I will be looking for a Voltage gain factor of 500.

     

    I don't really understand why the iSmart's Analogue Input Range

    is limited to 0.00 to 9.99V, but that is what the data sheet says. 

     

    I noticed that Adafruit has a Thermocouple Amplifier MAX31855 breakout board that can be used with the 'Duino.   If I order some 5 volt relays I could use a 'Duino instead of the iSmart. 

  • Excited in anticipation of my own copy of Activities (as in chapter quizzes) Manual to accompany Programmable Logic Controllers 3th Edition by Frank Petruzella arriving today or tomorrow.

     

    The 4th Ed. of Frank Petruzella's PLC Book will also come soon - borrowed using Interlibrary Loan.

     

    Thanking Andrew Carnagie and Никола Тесла for advancing the World.

  • in reply to danielw

    Hi Dan,

    If possible, may you please email me at:  j.hannah@imopc.com

    If possible, could you please email me a copy of your program for review and discussion?

    Many thanks

    Regards

    Jason Hannah - IMO Precision Controls

  • I'm still playing with this.  I'm trying out a specific example where I want 3 counters.  (They don't all have to be actual counters and thought I could acheive it using addition blocks but somehow fail to do so. 

    I want a batch counter with a preset that can be entered via the screen.

    a Job counter which is a total for the job being run, and a grand total counter that shows the result of all the runs. (Ideal if this was non volatile!)

     

    Any ideas.  I'm using FBD rather than ladder for my example.

     

     

    Dan.

  • Hi there have been some problems with the ups as there I haven't been able to receive the controller image and after I finally managed to track down the package, I've found out it have been shipped to some place in Milan while I'm based in Turin.

  • in reply to danielw

    I see, unfortunately I do not have access to the iSmart's Loader-port pin configuration. However if you ordered the cable, during its delivery, and if you have the screen and key version of the iSmart -  you are able to program much of the functions as you would with the software onto the screen - it would take some getting use to, and I would always prefer programming with the software, however at least until your cable arrives, you can explore some of the functionality. Let me know if I can help. Regards - Jason

  • in reply to Former Member

    I was wondering if I cold get away with using a USB converter as I have TTL and RS232 level versions that I use here and could patch in and play with the PC software without having to order and wait for the serial cable.

  • in reply to danielw

    Hi Daniel,

    The one end of the plug - going into the iSmart is proprietary and I do not have this information available. The other side is a standard 9-pin RS232 serial wiring setup. I assume you are looking at going into a USB to Serial converter?

    Regards - Jason Hannah - IMO Precision Controls

  • in reply to billabott

    Is the pinout known for the programming cable?