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help me clear abot tip38 (analog scale)

9/29/2010 7:35 PM	Rate (0)
namchihung Posts: 1 Rating: (0)	I'm a new guy in PLC programer. I have a problem not clear about tip38b for S7-200. In the S-ITR ( scale interger to real) value at AIW.. is from 0 to 32000 with type word, please tell me how to convert type word to type interger ??? LD Always_On // Load Special Memory location 0.0 // to cause execution every cycle -R #OSL, #OSH // Subtract OSL from OSH, store in // OSH (de-scaled Output value) -I #ISL, #Input // Subtract ISL from Input but input is word not is int // ISL(de-scaled Input value) when I use the simulation for S7-200 for tip38b, I get the fault (file attach) Sorry if my english not good ! thanks Attachment fault when simulation.pdf (249 Downloads)
namchihung Posts: 1 Rating: (0)
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9/30/2010 7:58 AM	Rate (0)
Helmut_13 Posts: 2930 Rating: (432)	Hi, have you checked your program in a S7-200 PLC? Your picture is from a Non-Siemens S7-200 simulator software. Can this simulator software work with libraries? Scalle WORD to INT: This requires two steps. 1. scalle WROD to REAL (Scale_I_to_R) 2. Scale REAL to INT (Scale_R_I I hope this helps
Helmut_13 Posts: 2930 Rating: (432)
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