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S5 95F

Created by: chinasdgt at: 7/7/2012 2:54 AM (2 Replies)

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7/7/2012 2:54 AM	Rate (0)
chinasdgt Posts: 8 Rating: (0)	now，i havea problem. the printing machine have the s5 95f plc, and some safety switch is connected to the output q33.3 then to the input. and the program is: PB1 SEG1：O F0.1ON F0.1S F0.1PB42 SEG1：A F0.1= Q33.2= Q33.3 = Q34.0 when the machine running ,it alarms the the satety switch is open,but i chek and change the switch,it still alrms.so i doubt that the power supplier q33.3 have problem,and the program is that the q33.3 is always true,can somebody help me?which condition the q33.3 become false. thank you
chinasdgt Posts: 8 Rating: (0)
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7/10/2012 4:50 PM	Rate (0)
El Greco Regular Member Joined: 6/18/2012 Last visit: 5/31/2022 Posts: 12 Rating: (4)	Debugging from a distance isn't so easy but maybe this can help you. SOFTWARE: PB1 SEGMENT 1 : TRUE BIT O F 0.1 "TRUE" ON F 0.1 "TRUE" S F 0.1 "TRUE" ****************************************************************** IF F 0.1 IS PROGRAMMEDBETWEEN PB1 AND PB42 (BY "R" OR "=" COMMAND FOR EXAMPLE) THEN THE STATUS CAN BE CHANGED. **************************************************************** PB42 SEGMENT 1 : OUTPUT** A F 0.1 "TRUE" -> CHECK THE STATUS OF THE TRUE BIT HERE. = Q 33.2 "OUTPUT 1" = Q 33.3 "OUTPUT 2" = Q 34.0 "OUTPUT 3" If the status of the TRUE bit is FALSE in PB42 you have the search in the software. Check on bit, byte and word level. If the status of the TRUE bit is correct HARDWARE: 1) Check the output LED on current status. Does it match with the status in your software? 2) Check the input LED on current status. Does it match with the actual status of the switch? 3) Check power supply of the output and/or the input if point 1 or 2 are not OK. OTHER: 1) Check the programmation of the alarm itself.

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7/11/2012 6:51 AM	Rate (0)
chinasdgt Posts: 8 Rating: (0)	thank you but the f0.1 only exist in program i mentioned. i will check the switch actual status and the status in program best regards
chinasdgt Posts: 8 Rating: (0)
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