HEIDENHAIN TNC 306 Technical Manual - Manual (Page 291)

3/2000
TNC 416/TNC 406/TNC 306 PLC-functions 7-1
PLC Programming — Contents
7
1 PLC-functions 7-5
1.1 Selecting PLC-operation 7-5
1.2 PLC — Main menu 7-6
1.2.1 Editing PLC-programs 7-6
1.2.2 Deleting PLC-programs 7-8
1.2.3 Transferring programs from EPROM 7-8
1.2.4 Translating PLC programs 7-8
1.2.5 Utilization 7-8
1.3 Test functions for the PLC-program 7-9
1.3.1 TRACE function 7-9
1.3.2 TABLE function 7-10
1.3.3 Debug Functions 7-10
1.3.4 Transferring the PLC-program 7-11
2 Program creation 7-12
2.1 Program structure 7-12
2.1.1 Command 7-12
2.1.2 Module technique 7-13
2.2 Address allocation 7-14
2.2.1 Operand directory 7-14
2.2.2 Addressing the word memory 7-14
2.3 Data transfer PLC
→ NC and NC → PLC
7-15
2.4 Timers and counters 7-18
2.4.1 Timers 7-18
2.4.2 Counters 7-20
2.5 Edge evaluation of the PLC-inputs 7-21
2.6 EPROM-creation 7-21
2.7 Error-messages 7-23
2.7.1 Syntax errors within a command line 7-23
2.7.2 Syntax errors in the course of a program 7-23
2.7.3 Run-time errors 7-24
3 Commands 7-26
3.1 Load and Assign Commands 7-26
3.1.1 LOAD (L) L 7-26
3.1.2 LOAD NOT (LN) LN 7-28
3.1.3 LOAD TWO'S COMPLEMENT (L–) L– 7-30
3.1.4 LOAD BYTE (LB) LB 7-31
3.1.5 LOAD WORD (LW) LW 7-31
3.1.6 LOAD DOUBLEWORD (LD) LD 7-31
3.1.7 ASSIGN (=) = 7-33
3.1.8 ASSIGN BYTE (B=) B= 7-35