HEIDENHAIN TNC 407 (243 020) Technical Manual - Manual (Page 462)

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TNC 407/TNC 415/TNC 425 7-1
7 PLC Programming — Contents
1 PLC functions Fehler! Textmarke nicht definiert.-17 7-6
1.1 Select PLC operation 7-6
1.2 PLC – Main menu 7-7
1.3 File management 7-8
1.4 Text Editor 7-10
1.5 File output via data interface 7-10
1.6 Test functions for the PLC program 7-11
1.6.1 TRACE functions 7-11
1.6.2 Logic diagram 7-11
1.6.3 TABLE function 7-12
1.6.4 COMPILE function 7-12
2 Program creation 7-16
2.1 Program structure 7-16
2.1.1 Command 7-16
2.1.2 Module technique 7-17
2.2 Address allocation 7-18
2.2.1 Operand directory 7-18
2.2.2 Addressing the memory 7-18
2.3 Data transfer NC/PLC 7-19
2.3.1 Number transfer 7-19
2.3.2 General data transfer (Strobes) 7-23
2.4 Timers and counters 7-24
2.4.1 Timers 7-24
2.4.2 Counters 7-26
2.5 Edge evaluation of the PLC inputs 7-27
2.6 EPROM creation 7-28
2.7 Error messages 7-30
3 Commands 7-36
3.1 Load and Assign Commands 7-36
3.1.1 LOAD (L) 7-36
3.1.2 LOAD NOT (LN) 7-38
3.1.3 LOAD TWO'S-COMPLEMENT (L–) 7-40
3.1.4 LOAD BYTE (LB) 7-41
3.1.5 LOAD WORD (LW) 7-41
3.1.6 LOAD DOUBLEWORD (LD) 7-41
3.1.7 ASSIGN (=) 7-43
3.1.8 ASSIGN BYTE (B=) 7-45
3.1.9 ASSIGN WORD (W=) 7-45
3.1.10 ASSIGN DOUBLEWORD (D=) 7-45
3.1.11 ASSIGN NOT (=N) 7-46