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DP communication to Siprotec4

Created by: lonelynx at: 9/18/2009 9:21 PM (2 Replies)

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9/18/2009 9:21 PM	Rate (0)
lonelynx Posts: 5 Rating: (0)	Hi Wehave a system with S7-400 H, Y-link , Siprotec4 units and several other ProfiBus nodes. Our problem is that the Y-link offer a limited IO-area (244 byte in/ 244 byte out), and the Siprotec4 units seem to demand quite a lot of this area. The Siprotecs we're using is both 7SJ61 and 7SJ62. I've read about the Standard Mappings and we will not be able to realizeeven the minimum standard solution with Standard Mapping. Questions: - Is it possible to adjust the optimize the communication area in any way? - Is it possible to configurea minimum in HW-config? (e.g. 8 bytes in and 8 bytes out) Thanks in advance Best Regards. bm
lonelynx Posts: 5 Rating: (0)	Last edited by: lonelynx at: 9/20/2009 5:21 PM
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9/21/2009 9:45 AM	Rate (0)
Mike J Platinum Member Joined: 10/9/2007 Last visit: 9/16/2024 Posts: 1249 Rating: (115)	Hi Lonelynx Take a look at these documents http://siemens.siprotec.de/download_neu/devices/1_General/Doku_Protokolle/Englisch/Profibus%20DP/SIPROTEC4_PROFIBUS_DP_FAQ_en.pdf http://siemens.siprotec.de/download_neu/applications/communication/PCS7v6_Siprotec_7SJ6x_Mapping3.4_v1.0_en.pdf It's not possible to change the Mapping in Siprotec, so you cannot used a smaller quantity of bytes. I think the solution is to install more Y-Links. Mike J
	Energy Automation products: Sicam, Siprotec, Digsi
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This contribution was helpful to 1 thankful Users lonelynx

9/30/2009 9:34 AM	Rate (0)
lonelynx Posts: 5 Rating: (0)	Thanks Mike Y-link will be the solution Best Regards
lonelynx Posts: 5 Rating: (0)
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