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RS MEMORY AREA

Created by: TEBANCH at: 9/8/2008 11:14 PM (2 Replies)

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9/8/2008 11:14 PM	Rate (0)
TEBANCH Silver Member Joined: 3/25/2008 Last visit: 1/28/2022 Posts: 232 Rating: (19)	Hi every one, I'm loockin for information about what RS18 and RS134 are used for, and i would like to know if there is an equivalent in S7 for this memory addreses and finaly if there is a way to convert instructios that contain this kind ofoperators (for exanple L RS18 or T RS 18). Thanks all you for your help, have a nice day.
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9/8/2008 11:44 PM	Rate (1)
Phantom75 Posts: 2661 Rating: (278)	TEBANCH ... Hi every one, I'm loockin for information about what RS18 and RS134 are used for, ... RS system data area may differ from CPU to CPU. You should check the relevant manual. For example here is the link for the 155U: S5-155U CPU 948 Programming Guide TEBANCH ...i would like to know if there is an equivalent in S7 for this memory addreses and finaly if there is a way to convert instructios that contain this kind ofoperators (for exanple L RS18 or T RS 18). ... I do not think there are equivalent instructions/memory areasbecause in S7 we use SFC/SFB's. Also, most of the RS is read-only and only a few bytes are allowed for user writes (if I remember right).
Phantom75 Posts: 2661 Rating: (278)
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9/9/2008 12:23 AM	Rate (0)
TEBANCH Silver Member Joined: 3/25/2008 Last visit: 1/28/2022 Posts: 232 Rating: (19)	Hi Phantom, it's a litle bit hard to find & understand S5 documentation, specially when working more with S7 JEJE. I get the manual you suggest, because the cpu that i'm migrating to S7 is in fact aS5-155. Thank you, the help shuld be very usefull.
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