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s7 300 redundent hardware selection

Created by: GAS2 at: 5/12/2010 8:45 AM (1 Replies)

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5/12/2010 8:45 AM	Rate (0)
GAS2 Posts: 66 Rating: (0)	hi all, i want to configure redundent system S7300 (only between CPU). Which are the redundent CPU in S7300 PLC series. Please suggest cost effective CPU selection. thank you.
GAS2 Posts: 66 Rating: (0)
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5/12/2010 9:13 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 9/9/2024 Posts: 8735 Rating: (1167)	Dear GAS2, If you want to use S7-300, there is no Redundant CPU. You can only use Software Redundancy. Here you can download manual: SIMATIC S7-300/S7-400 Software Redundancy for Simatic S7 And this might help: Which modules can you use when implementing software redundancy? If you want to use a Redundant CPU, you can use the smallest one: S7-400H V4.5 and CPU412-3H released for delivery Best regards, Wizard

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