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Pin Assignment OP77B on RS232

Created by: R. Georgii at: 8/23/2010 10:21 PM (5 Replies)

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8/23/2010 10:21 PM	Rate (0)
R. Georgii Posts: 12 Rating: (0)	Hello, Once I have worked with OP270 and I have built my own connector to connect the PC to the HMI and download the program using the RS232 connection with DB-9 connector. I would like to know if there is this possibility with the OP77B. If yes, where can I find the pin assignment of both connectors (PC and HMI)? If no, wich cable could I use to do this communication and download the program? I read others threads but I am in doubt if we can use the MPI/USB (same to S7-300 and 400 with the PC) cable to do this or not. Someone could help me please!? Thanks in advance.
R. Georgii Posts: 12 Rating: (0)
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8/24/2010 8:46 AM	Rate (0)
Sandman Platinum Member Joined: 4/29/2010 Last visit: 12/16/2022 Posts: 1557 Rating: (160)	Hello, yes you can use a RS232 cable to download your project to the OP77B. At this FAQ you can find the cable assigment: http://support.automation.siemens.com/WW/view/en/21401061 best regards

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This contribution was helpful to 1 thankful Users R. Georgii

8/24/2010 4:03 PM	Rate (0)
R. Georgii Posts: 12 Rating: (0)	Thanks Sandman, But only one more question. I read on the link that that pin assignment is to ProTool, is it the same to WinCC Flexible (wich is used to OP77B)? Thanks again
R. Georgii Posts: 12 Rating: (0)
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8/24/2010 5:11 PM	Rate (0)
skimmer Bronze Member Joined: 9/5/2007 Last visit: 3/7/2023 Posts: 317 Rating: (17)	Hi., Yes it's the same.

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5/10/2018 10:39 AM	Rate (0)
amr_tolba Posts: 2 Rating: (0)	Dear Sir could you till me the pin assignment for the cable that you made or send it to me on mail for op270 --Deleted E-Mail-- and thanks in Advance R. Georgii Hello, Once I have worked with OP270 and I have built my own connector to connect the PC to the HMI and download the program using the RS232 connection with DB-9 connector. I would like to know if there is this possibility with the OP77B. If yes, where can I find the pin assignment of both connectors (PC and HMI)? If no, wich cable could I use to do this communication and download the program? I read others threads but I am in doubt if we can use the MPI/USB (same to S7-300 and 400 with the PC) cable to do this or not. Someone could help me please!? Thanks in advance.
amr_tolba Posts: 2 Rating: (0)	Last edited by: Jen_Moderator at: 5/11/2018 6:27:06 AM Deleted E-Mail, because doesn't comply with forum terms.
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5/10/2018 11:16 AM	Rate (0)
Duris_I Diamond Member Joined: 4/28/2015 Last visit: 3/24/2023 Posts: 9164 Rating: (723)	Hello, pls look to this manual (link pdf): MP270 Manual I've found probably better link: OP270 Manual Attachment Manuals.zip (68 Downloads)
	Last edited by: Duris_I at: 5/10/2018 12:14:37 PM Last edited by: Jen_Moderator at: 5/11/2018 6:33:04 AM Added files as an attachment. With best regards... Ivan Duris VId: OMICO
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