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Make a field on HMI count how many times a logic entrance receive a signal

Created by: DanielAlb at: 1/31/2013 2:09 AM (3 Replies)

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1/31/2013 2:09 AM	Rate (0)
DanielAlb Posts: 4 Rating: (0)	Hello everybody! im new on this area, so i am learning how to program with ladder (software TIA v11). i am having some troubles to make a simple math calc. What i want: when the PLC receive a signal at a logic entrance, i want the plc to increase a value in a field on the HMI screen. like a counter. to count how many signals the logic entrance receive. i think i cant create the cauculator in ladder because tags dont comunicate with the field on hmi. so if someone can help me i will be very thankful!
DanielAlb Posts: 4 Rating: (0)
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1/31/2013 4:28 PM	Rate (0)
FreakOnALeash Posts: 267 Rating: (24)	Hello, I think this is what you are searching for: Attachment Forumcount.zip (376 Downloads)
FreakOnALeash Posts: 267 Rating: (24)	Last edited by: O_Moderator at: 1/31/2013 10:08 PM
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1/31/2013 11:58 PM	Rate (0)
DanielAlb Posts: 4 Rating: (0)	Yes! Thank You so much! You've helped me a lot! But i have one more question... How can i make the program to activate a contact (N.O. Contact) when the numbers arrive at 100 for example...?
DanielAlb Posts: 4 Rating: (0)
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2/4/2013 11:06 AM	Rate (0)
FreakOnALeash Posts: 267 Rating: (24)	You have to compare the counter value and give this to an output. http://support.automation.siemens.com/WW/view/en/36932465 chapter 7.1.2 chapter 7.4
FreakOnALeash Posts: 267 Rating: (24)
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