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Sinumerik 840C Plc Interface with PC

Created by: mmkhan at: 12/3/2010 7:20 AM (11 Replies)

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12/3/2010 7:20 AM	Rate (0)
mmkhan Bronze Member Joined: 9/28/2007 Last visit: 12/28/2024 Posts: 235 Rating: (13)	Dear Experts I have Sinumerik 840C System. i want to interface the PLC CPU with my LapTop. I have Step5 V7.23 and i have RS232 to TTY Converter(Which is working on other S5 CPU S5-100,S5-95U) but i could not establish connection between PLC CPU and LapTop. can you tell me the step by step procedure. how can i configure and online with above mentioned CPU.
	Muhammad Munir Electronics Engineer
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This contribution was helpful to 1 thankful Users mmehrdad

12/3/2010 12:10 PM	Rate (0)
Pee El Sea Gold Member Joined: 1/19/2008 Last visit: 3/9/2025 Posts: 996 Rating: (64)	Hi, I would think you have a pin out problem It should work OK Pee

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12/3/2010 5:24 PM	Rate (0)
mmkhan Bronze Member Joined: 9/28/2007 Last visit: 12/28/2024 Posts: 235 Rating: (13)	Dear Can you tell me pin configuraion.
	Muhammad Munir Electronics Engineer
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12/4/2010 7:44 AM	Rate (0)
Ekalavya Posts: 2964 Rating: (484)	256 Dear Experts I have Sinumerik 840C System. i want to interface the PLC CPU with my LapTop. I have Step5 V7.23 and i have RS232 to TTY Converter(Which is working on other S5 CPU S5-100,S5-95U) but i could not establish connection between PLC CPU and LapTop. can you tell me the step by step procedure. how can i configure and online with above mentioned CPU. Hi.... You can directly connect RS232cable on the PLC CPU board...TTY converter not requried. check it out..... Regards, Ekalavya Attachment RS232.pdf (1288 Downloads)
Ekalavya Posts: 2964 Rating: (484)	Last edited by: Ekalavya at: 12/4/2010 7:50 AM RS232 PIN DETAILS ATTACHED
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12/4/2010 11:09 AM	Rate (0)
Pee El Sea Gold Member Joined: 1/19/2008 Last visit: 3/9/2025 Posts: 996 Rating: (64)	Hi, Yes Ekalavya is correct. I must have been dreaming when I gave my answer, I just use an 'off the shelf' RS232 cable. Pee

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12/4/2010 1:23 PM	Rate (0)
OvidiuNastac Silver Member Joined: 1/29/2008 Last visit: 7/26/2022 Posts: 419 Rating: (19)	Hi It is OK with the "off the shelf" cable if you have a laptop with a real RS 232 port (not a simulated one as in most of the newest laptops) or a Siemens console. In other case you must use a adapter as in attachment. Good luck Nit Attachment 232_20MA.jpg (823 Downloads)

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12/6/2010 12:03 PM	Rate (0)
mmkhan Bronze Member Joined: 9/28/2007 Last visit: 12/28/2024 Posts: 235 Rating: (13)	Dear I am using normal laptop. i dont have Pg. so now tell me the exact procedure that did i connect converter or use simple cable as you attached in the file. you have attached 15 pin S5 converter schematic i have required 25 pin converter schematic. can you send me the detail step by step procedure how can i online with plc by using step 5 software. i am using below mentioned: 1- STEP5 V7.23 2- RS232 to TTY(15 pin)Converter. i have required 25 pin configuration and procedure.
	Muhammad Munir Electronics Engineer
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12/6/2010 8:06 PM	Rate (0)
Pee El Sea Gold Member Joined: 1/19/2008 Last visit: 3/9/2025 Posts: 996 Rating: (64)	Hi 256, Remove the RS232 to TTY converter. Connect the 9 or 25 pin RS232 port on your computer to the 25 way RS232 port on the 840C using the simple pinout that Ekalavya gave you. Pee

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12/9/2010 6:39 AM	Rate (0)
mmkhan Bronze Member Joined: 9/28/2007 Last visit: 12/28/2024 Posts: 235 Rating: (13)	Dear Pee when i run STEP5 software and go to online mode after some time i recieve "Undefined Character from AS". is there any step by step procedure with images of card,cable etc.please send me the detail procedure of sinumerik 840C Plc interface with STEP5 software.
	Muhammad Munir Electronics Engineer
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12/9/2010 10:46 AM	Rate (0)
Pee El Sea Gold Member Joined: 1/19/2008 Last visit: 3/9/2025 Posts: 996 Rating: (64)	Hi, My opinion as follows:- There is no detailed interface instruction. There is nothing to change. If you can get on line then your system is working. You can check for noise or loose connections but you cannot change connection speeds or anything else. The plc in the 840C is a standard Simatic product adapted for NC. The problem you now have is a general S5 problem and not 840C specific maybe do a search in the S5 forum for help. I would guess that if you can upload and download and get online you will have to live with it droppping out sometimes. Pee

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