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s7 1500 power supply

Created by: jjjinn at: 8/21/2020 8:52 AM (2 Replies)

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8/21/2020 8:52 AM	Rate (0)
jjjinn Advanced Member Joined: 7/12/2019 Last visit: 12/7/2022 Posts: 27 Rating: (0)	If I configure the hardware like the attached picture, Should the PS of slot 9 be connected to module 8 with U-connector? If so, does the 9th slot PS supply power to the left module (slots 2~8)? I think the problem will arise if I connect slots 8 and 9. This is because CPU #1 and PS #9 supply redundant power to slots 2-8. Attachment s71500.JPG (306 Downloads)

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8/22/2020 9:56 AM	Rate (1)
VeulemansJens Experienced Member Joined: 7/31/2020 Last visit: 9/11/2024 Posts: 21 Rating: (5)	Input modules are powered by the backplane bus. so they get their power from the PS module. the U-connectors should indeed be connected to the PM. the PM can be positioned anywhere but you will have to manually wire it to the desired output modules, it does not power the backbus https://support.industry.siemens.com/cs/document/73191930/how-should-you-configure-the-system-power-supplies-for-the-s7-1500-in-step-7-(tia-portal)-so-that-all-the-connected-modules-are-supplied-?dti=0&lc=en-WW https://support.industry.siemens.com/cs/document/96998532/which-simatic-and-sitop-modules-can-you-use-with-s7-1500-as-load-power-supply-module-(pm)-?dti=0&pnid=13908&lc=en-US
	Last edited by: VeulemansJens at: 08/22/2020 10:04:47 //Jens
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8/24/2020 7:22 AM	Rate (0)
Jen_Moderator Diamond Member Joined: 6/19/2017 Last visit: 9/6/2024 Posts: 8175 Rating: (172)	Closed cause question posted twice. The second thread with the subject Power supply using PM and CPU is published within the conference SIMATIC S7-1500. Best regards, Jen_Moderator

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