//INTEGRAS/ELS/PAGINATION/ELSEVIER UK/PLC/3B2/FINALS-7-6-04/0750656794-PRELIMS.3D – 12 – [1–22/22]
19.6.2004 9:04PM
25 Master control – nesting 275
25.1 Nesting level 275
25.2 Ladder diagram – MC2 276
25.3 Principle of operation 277
26 Shift registers 279
26.1 Shift register applications 279
26.2 Basic shift register operation 279
26.3 Ladder diagram – SHIFT1 280
26.4 Principle of operation – SHIFT1 280
26.5 Operating procedure 281
26.6 Monitoring – SHIFT1 281
27 Rotary indexing table 282
27.1 Index table system – plan view 282
27.2 System requirements 283
27.3 Shift register layout 284
27.4 Ladder diagram – ROTARY1 285
27.5 Principle of operation – ROTARY1 287
27.6 Monitoring procedures 289
27.7 Instruction scan and execution 291
28 Index registers V and Z