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indirect addressing in absolute address in Ladder and SCL?

2/15/2024 1:05 PM	Rate (0)
Sam.S Experienced Member Joined: 6/15/2016 Last visit: 1/13/2026 Posts: 181 Rating: (3)	Hi, How to use indirect addressing in absolute address in Ladder and SCL? Attachment PIC_1.png (272 Downloads)
	Regards, SAM.
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2/15/2024 1:16 PM	Rate (0)
qwazee Platinum Expert Joined: 3/30/2020 Last visit: 1/23/2026 Posts: 5676 Rating: (1084)	Sam007s Hi, How to use indirect addressing in absolute address in Ladder and SCL? It was never possible to do indirect addressing in LAD / FBD. Then follows that the indirect addressing implementation differs between processors. Guessing you want the S7-300.. In STEP 7 (TIA Portal) and in S7-300/S7-400, how can you implement indirect addressing in an SCL program?
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2/15/2024 2:34 PM	Rate (0)
Towome Platinum Expert Joined: 7/9/2015 Last visit: 1/23/2026 Posts: 4500 Rating: (644)	Hi, we don´t know you PLC but if you use S7-1200/1500 use PEEK/POKE instruction. Regards, Towome
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This contribution was helpful to 1 thankful Users qwazee