1/15/2009 3:31 PM | |
Joined: 9/23/2005 Last visit: 9/19/2024 Posts: 4347 Rating: (1446) |
Hi, If you have a S7-400FH system, you need S7, S7F System, SCL, CFC. Safety matrix is optional. If you would like to work with ladder or blocks, you cann't use a S7-400FH system. However if you have a s7-400F system i.e. 416F CPU, you need a S7 (Ladder, etc.) and S7 distributed safety package. In this situation, you could to program in ladder. |
Denilson Pegaia |
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This contribution was helpful to1 thankful Users |
1/19/2009 7:04 PM | |
Posts: 73 Rating: (20) |
Hi callsg, To write any type of safety program [simple or complex] you need the minimum parts below. You need Step7, CFC, S7 F Systems and S7 F Systems Runtime License for FH CPU. As far as Iknow the S7F Systems now comes with anSCL compilerso you no longer need to order the SCL. If you have an older version of F Systems then you may also need to order the SCL. Please note the safe state for digital F-I/O The safety concept is based on the existence of a safe state at all process variables. For digital F-I/O, this is the value "0"; this applies to sensors as well to actuators. Safety Matrix is an added software for writing cause and effects diagrams and supports ETT. Redundant Modules http://support.automation.siemens.com/WW/view/en/28430682 |
1/21/2009 9:56 PM | |||||||
Joined: 1/7/2006 Last visit: 11/17/2023 Posts: 2705 Rating: (318)
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Hi, First of all you need to know if you need an redundancy H-System When that is necessarry you must choose an S7-412FH or an S7-414FH or an S7-417FH, When that is not necessary then you can choose also a distributed safety F-CPU {smallest is an IM 151-7F DP CPU or an IM 151-8F PN CPU and the biggest is an CPU 416F}. When you want to use PCS7 then you need a FH-System. As mentioned before you need (for S7) for an FH-System the software F-Systems, SCL, CFC and STEP7. The Failsafe software is then programmed in CFC. Optional is on top of the software that is given the possibility for the Safety Matrix, where you can program cause/effect diagrams and the total CFC software is generated in CFC. CFC is compiling to SCL and SCL is compiling to STEP7 code. For an distributed Safety F-CPU you need Distributed Safety software and STEP7. For both versions of the Failsafe software {Distributed Safety and System Safety} there are burner librarys that are optional on top of the mentioned software. |
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I hope that the answer will help, if you have still questions, don't hesitate to ask me. |
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2/28/2011 1:09 PM | |
Posts: 139 Rating: (1) |
Thank you for this topic. |
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