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Full shutdown of F-program

Created by: Eli_47 at: 10/4/2012 8:35 AM (2 Replies)

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10/4/2012 8:35 AM	Rate (0)
Eli_47 Experienced Member Joined: 8/23/2012 Last visit: 5/27/2025 Posts: 118 Rating: (4)	Good day. I have problem. In runtime is randomly called full shutdown of f-program (see picture with diagnostic buffer). Please help me locate and correct the cause. Attachment diagnostic_buffer.zip (306 Downloads)

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10/10/2012 9:23 AM	Rate (0)
yy1 Gold Member Joined: 3/24/2009 Last visit: 7/9/2024 Posts: 535 Rating: (112)	Dear Eli_47, the F_CYC_CO, which causes this shutdown, is a system-block, which checks the cycle-time of the runtime-group. You can try to change the parameter MAX_CYC of this block manually or change the cycle-time of the OB. But I'm not sure, that this will solve the problem. If the problem persists, you will have to call the customer support. Best regards, yy1 help This F-Control block is automatically inserted and interconnected in an automatically generated F-System chart "@F_CycCo-OB3x" and in an automatically generated F-Runtime group with ID "@F_" during compilation of the S7 program in order to create an executable safety program from the user's safety program. The F-CPU monitors the F-Cycle time for each cyclic interrupt OB 3x that contains F-Runtime groups. The first time you compile the S7 program, a dialog will appear and prompt you to enter a value for the maximum cycle time "MAX_CYC" that can elapse between two calls of this OB. If you need to change the maximum F-Cycle time after the initial compilation of the S7 program, you must set the F-Cycle time at the MAX_CYC input of the F_CYC_CO-OB3x block in F-System chart @F_CycCo-OB3x. For information about setting F-Monitoring times, refer to chapter "Runtimes, F-Monitoring times, and response times".
	Last edited by: yy1 at: 10/10/2012 9:47 AM
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This contribution was helpful to 1 thankful Users Eli_47

10/11/2012 10:18 AM	Rate (0)
Eli_47 Experienced Member Joined: 8/23/2012 Last visit: 5/27/2025 Posts: 118 Rating: (4)	yy1 Dear Eli_47, the F_CYC_CO, which causes this shutdown, is a system-block, which checks the cycle-time of the runtime-group. You can try to change the parameter MAX_CYC of this block manually or change the cycle-time of the OB. But I'm not sure, that this will solve the problem. If the problem persists, you will have to call the customer support. Best regards, yy1 help This F-Control block is automatically inserted and interconnected in an automatically generated F-System chart "@F_CycCo-OB3x" and in an automatically generated F-Runtime group with ID "@F_" during compilation of the S7 program in order to create an executable safety program from the user's safety program. The F-CPU monitors the F-Cycle time for each cyclic interrupt OB 3x that contains F-Runtime groups. The first time you compile the S7 program, a dialog will appear and prompt you to enter a value for the maximum cycle time "MAX_CYC" that can elapse between two calls of this OB. If you need to change the maximum F-Cycle time after the initial compilation of the S7 program, you must set the F-Cycle time at the MAX_CYC input of the F_CYC_CO-OB3x block in F-System chart @F_CycCo-OB3x. For information about setting F-Monitoring times, refer to chapter "Runtimes, F-Monitoring times, and response times". Tnx yy1. I calculate MAX_CYC by using "s7ftimeb" excel file. And my MAX_CYC was 1s (calculated was ms,but i did greater then calculated).But i try again.

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