Good Plc Simulator

biswatmak · Feb 2, 2011

need help plz...........need a good plc simulator,which would make my PC to work as a plc cpu(VIRTUAL PLC).

i would also like to know how would i be able interface this "virtual plc system" with external devices like dc motors,LEDs,etc.

JesperMP · Feb 2, 2011

Which PLC brand do you want to simulate ?

edit: Since you want to connect to external devices, what you ask for is not to simulate a PLC, but a soft-PLC running in a Windows environment.

biswatmak · Feb 2, 2011

nothing specific ..............say suppose siemens???????

JesperMP · Feb 2, 2011

The following vendors have soft-plcs for running on a Windows PC:

Siemens
Rockwell automation
Beckhoff
3S (codesys)
Several codesys derivatives (too many to list).

biswatmak · Feb 2, 2011

1) so will they be able to mimic an actual plc hardware and communicate with relays and other peripherals???

2) i would also like to know if possible that "can a microcontroller" be used as a plc cpu????????

KalleOlsen · Feb 2, 2011

biswatmak said:
1) so will they be able to mimic an actual plc hardware and communicate with relays and other peripherals???

2) i would also like to know if possible that "can a microcontroller" be used as a plc cpu????????

ad 1: It sounds to me you need a soft-plc. Look at http://www.3s-software.com/

ad 2: Why not use a real PLC instead? Search the forum for CHEAP+PLC.

Kalle

biswatmak · Feb 2, 2011

we are doing a college project and in india the cheapest plc costs a good amount of money.....................so the project have tobe cost effective as well as time saving.

iraq_plc · Feb 2, 2011

Glofa plc lg can simulate yr program AND THE NAME OF PROGRAM GMWIN U CAN DOWNLOAD IT FROM LS
Software [PLC] GMWIN V4.17 for GLOFA-GM PLC

Content GMWIN v4.17

1. Improved when compiling the program written at Window XP at Window Vista
2. Online editing function about rung including global variable of GM7U improved
3. Operating function improved when inputting index array value A of byte array A to
Function/Function Block at GM6
4. New: HSCC4RAX, HSCC4RCP, HSCC4RCT, HSCC4RMD, HSCC4ROT, HSCC4RPR,
HSCC4RRD, HSCC4RWR, HSCC6RAX, HSCC6RCP, HSCC6RCT, HSCC6RMD, HSCC6ROT,
HSCC6RPR, HSCC6RRD, HSCC6RWR
Adjustment: TCR4INI, TCR4RD, TCR2INI, TCR2RD, TCR62INI, TCR62RD
5. GM7U array type global variable function improved
6. TP_UINT adjustment of APP.4fb
7. Adding user library excluding option at upload file (less than GM6)
8. Connection option – in case of connecting modem, adding “modem initialization
command”, adding wireless serial adapter using option
9. APM_JOG adjustment
10. GMR flag improved: _SLOT_B_S[]
11. Crash and communication error improved when starting simulator
12. Simulator TIME operation function improved (MUL_TIME, DIV_TIME etc.)
13. Adding block copy function between variable window and excel
14. Adding Return Insertion function at variable comment
15. Adding memory reference adjustment function
16. Adding program comparison function
17. Adding trend monitor function
18. Adding Save/Read function as High Speed Link parameter file
19. Special Function Block APM_SSS adjustment (GM4/GM6), adding APM_RCP
(special.2fb, special.4fb, special.6fb)
20. Adding user function block monitor function
21. Adding LS bus library for GM4C
22. Adding writing Bn0 file without program source
Files

GMWIN 417(ENG)_0605.exe (24.54 MB)

CLICK http://eng.lsis.biz/support/downloadcenter.asp TO DOWNLOAD
http://eng.lsis.biz/common/asp/downloadcenter_file.asp?DownLoad_ID=945&fileNum=1

biswatmak · Feb 2, 2011

what i meant was

1) using a pc or microcontroller other than an actual plc cpu(which we generally use)

2) write programming in lader logic

3) communicate this setup with external devices and operate them accordingly

one more thing......there is a software called easyplc on the net.I want some alternatives of this kind of software.
i would be very obliged if you kindly check it out and give me some recommendations.
Thanks.

JesperMP · Feb 2, 2011

A microcontroller will not be cheaper.

I heard before that LG makes their programming software available for free download. That sounds perfect for a classroom on a budget.

To make the PCs work as controllers for real i/o will be quite expensive.
Much more expensive than just buying a few small LG PLCs to run the student projects on.

Mark- · Feb 2, 2011

Hello,

Check out this soft PLC: PeakHMI MODBUS Master/Slave Relay Ladder Logic

PeakHMI MB RLL Features

MODBUS Serial (RS-232/485) RTU Master (Unlimited connections)
- Function codes 1, 2, 3, 4, 15 and 16
MODBUS Serial RTU Slave (Unlimited connections)
- Function codes 1, 2, 3, 4, 5, 6, 15 and 16
MODBUS TCP/IP Master (Unlimited connections)
- Function codes 1, 2, 3, 4, 15 and 16
MODBUS TCP/IP Slave (Unlimited connections)
- Function codes 1, 2, 3, 4, 5, 6, 15 and 16
Full address space emulation
- 000001 - 065535
- 100001 - 165535
- 300001 - 365535
- 400001 - 465535
Editor (Offline & Online)
Unlimited programs
Unlimited networks
64 * 64 network
Direct and indirect addressing
Runtime monitoring
Binary instructions
- Examine On, Examine Off, Coil, Branch, Positive One-Shot,
  Negative One-Shot, Latch, Unlatch, Coil Not, Coil Positive One-Shot,
  Coil Negative One-Shot
Timer/Counters
- Timer On, Timer Off, Timer Retentive, Counter, Load Accumulator,
  Load Preset, Accumulator Move to Register, Preset Move to Register
Math
- Add, Subtract, Multiple, Divide (Integer, Double Integer, Floating Point)
- Scaling
- Comparison
  - Equal To, Not Equal To, Greater Than, Greater Than Equal To, Less Than, Less Than Equal To
- Limit
- Round, Truncate, Square, Square Root
- Absolute, Odd
- Average
- Ramp
- First Order Lag
Move/Convert/Select
- Move
- Binary Select, Binary Count
- Minimum Select, Maximum Select
- Swap Bytes
- Rotate Bits
- Integer Select
- Integer to Float
- Fahrenheit to Celsius, Celsius to Fahrenheit

briancr · Feb 3, 2011

I have a couple of Glofa PLC's in the factory, Mainly for small projects only, DI and DO only. Software is free, easy to use, serial cable, ok, USB to serial involved, but it has never fallen over, and they are cheap

biswatmak · Feb 3, 2011

okay.......what is the cheapest readily available micro plc ????

Good Plc Simulator

biswatmak

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biswatmak

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