6/16/2009 9:05 AM | |
Joined: 9/27/2006 Last visit: 9/22/2024 Posts: 12282 Rating: (2685) |
Hello Navnag; Let's see if we can answer some of yoyr questions here. First, the attached document discusses how to setup a Y-link with different Siemens slaves, in the last pages. I also seem to remember that the I/O configuration of the slaves downstream of a Y-Link must not change during runtime, but unfortunmatelyI cannot find a confirmation of that right now. Maybe someone else can help us out. Unfortunately the "cheap" brick-type I/O slaves available from Siemens, ET 200L, ET 200B, cannot be setup on a Y-Link with analog signals, only digital signals (AC or DC); see the last pages of the attached pdf. And only the ET 200S supports the 1SI modules , unless you want to setup a CP 340/341 in a ET 200M rack for your serial communications. The ET 200M, by the way, cannot be used with a Y-Link, but rather it can be setup for redundancy with 2 IM 153-2 interface modules and an active backplane. That would change the price a bit (maybe not for better...). Maybe one solution to the price of the I/O would be to look at other manufacturer's offerings of Profibus I/Os. Some are definetly cheaper than Siemens; most have a very good reputation. Here are 3 links for different product lines, you can find more if you search on Profibus.com, Profibus, Products. Wago profibus I/O: http://www.wago.us/products/26801.htm Beckhoff Profibus I/O Phoenix Contacts Profibus I/O: http://www.phoenixcontact.com/global/news/18338_18340.htm Hope this helps,Daniel Chartier AttachmentY_LINK_E.pdf (590 Downloads) |
This contribution was helpful to3 thankful Users |
6/16/2009 8:25 PM | |
Joined: 7/2/2008 Last visit: 8/26/2024 Posts: 928 Rating: (308) |
Dear all, I highly doubt that ET200S can be hot swappable behind Y-Link (Directly). The point is thatInsert/Remove module interrupt is an acyclic event and then it's a property of DPV1. Check differences between DPV0,DPV1 and DPV2. Sadly, All DPV1 properties are disabled after Y-Link either you get your ET200M/ET200S fromStep7 HW catalog or through GSDfile. Please see the attached Pdf. The document that Mr. Daniel attached is for the old Y-Link. The statement in the second page (Supports system changes during operation on an S7-400H) is little vague. It definitely means that you can change either IM157 or the Y-Coupler while CPU is in RUN but not the DP slaves behind the Y-Coupler. I've also extracted page 49 of the previously attached document which states that DPV1 slaves CANNOT be operated on a Y-Link. It's little different in the new Y-Coupler (The manual can be downloaded here). The new Y-Coupler supportsDPV1 slaves BUT, (Extracted from manual) Slaves at the lower-level DP master system cannot be operated in DPV1 mode unless they have been integrated and configured with GSD rev. ≥ 5. The GSD must contain the following entries: ● Prm_Block_Structure_supp=1 ● PrmCmd_supp=1 ● Slave_Redundancy_supp=1STEP 7 checks these entries during configuration. If these entries are not found, the slave is then operated in DPV0 mode. AttachmentET200S Y Link1.pdf (498 Downloads) |
This contribution was helpful to1 thankful Users |
6/19/2009 4:34 PM | |
Joined: 7/2/2008 Last visit: 8/26/2024 Posts: 928 Rating: (308) |
Hello Navang, Until Krish gives an answer.Please take a look at Y-Link manual. In page 165, 12.2 Diagnostics with STEP 7: IM 153-2 Diagnostic interrupt If a DPV0 slave or a non-interrupt-capable DPV1 slave on the underlying master system reports a diagnosis, the IM 153-2 initiates a diagnostic interrupt on the higher level DP master system ("proxy diagnostic interrupt").The diagnostic frame of the slave is stored in the additional interrupt information. If this frame is longer than 59 bytes, the information exceeding the 60th byte is discarded. In addition to this, bit 7.(Ext_Diag_Overflow) is set in the third forwarded byte (byte x+6). The diagnosis of an interrupt-capable DPV1 slave operated in DPV1 mode does not cause a diagnostic interrupt.In page 166, 12.2.4 Example of a diagnosis in redundant mode (Using SFC13) |
Last edited by: H-H at: 6/19/2009 4:48 PMI added link to thread |
|
This contribution was helpful to1 thankful Users |
6/22/2009 2:58 PM | |
Joined: 11/21/2007 Last visit: 8/12/2024 Posts: 2325 Rating: (308) |
Hi All I had asked this from SIMATIC Technical Support. I am sharing their reply for the benefit of all concerened : ----------------- It Is possible by using the block sfc 58 ,sfc 59 ,sfc 52,sfc 53. and also use link better diagnostic feature http://support.automation.siemens.com/WW/view/en/387257 ----------------- Thanks & Best Regards Navnag |
There is no such thing as the last bug in a program |
|
6/23/2009 11:12 PM | |
Joined: 7/2/2008 Last visit: 8/26/2024 Posts: 928 Rating: (308) |
Hello Navang, Thanks for the feedback regarding diagnostics. I hope you will give us feedback on how you will configure and parameterize ET200S under Y-Link (DPV0 or DPV1). About FB125, I'm not sure it will show you slaves under Y-Link. the DP Master system of the Y-coupler always have 5980 or above and I don't believe this number would fit as a parameter for FB125 (You have to check it). So, FB125 will tell you about DP slaves connected directly to the upper DP masters which means you will have your Y link (IM153-2)displayed just as a single slave (No slaves behind). Now, I'm having doubts whether you have to switch DP MASTERSYSTEM parameter of FB125 according to which CPU is master or not. Takea look at this thread. Best regards. H-H |
6/30/2009 12:50 AM | |
Joined: 7/2/2008 Last visit: 8/26/2024 Posts: 928 Rating: (308) |
Dear Krish, Thank you very much for your feedback. I was really astonished that there's a dedicated function in PCS7 (I have quite limited knowledge of PCS7) libraryfor monitoring ET200S downstream of Y-Link. I've read its description and it's really good. Thanks again for such info and such help. Dear Navang, I've tried to configure the ET200S standard and HF interface module behind IM153-2 based Y-Link and no use. I still can't mark Operation at preset <>actual configuration. The only way I could enable such feature and also to enable Replace module during operation was to use the inserted DPV0 GSD file. Do you mind if you upload your sample configuration so I can figure out what's wrong with mine? Since I'm still interested in such configuration (Y-Link with ET200S) I read more on the FB125 and found out that the S7-400 H CPUs are not listed in application area of FB125. Best regards. H-H AttachmentApplication area of FB 125.pdf (310 Downloads) |
This contribution was helpful to1 thankful Users |
Follow us on