Delta DVP-EX2

ii
2.14
E, F Index Registers ................................................................................ 2-52
2.15 Nest Level Pointer [N], Pointer [P], Interrupt Pointer [I] ........................... 2-53
2.16 Applications of Special M Relays and D Registers .................................. 2-56
3 Instruction Set
3.1 Basic Instructions (without API numbers) .................................................. 3-3
3.2 Explanations to Basic Instructions ............................................................. 3-4
3.3 Pointers ................................................................................................... 3-20
3.4 Interrupt Pointers ..................................................................................... 3-21
3.5 Application Programming Instructions ..................................................... 3-22
3.6 Detailed Instruction Explanation .............................................................. 3-32
3.6.1 Loop Control Instructions .............................................................. 3-32
3.6.2 Transmission Comparison Instructions ......................................... 3-51
3.6.3 Four Arithmetic Operations Instructions ........................................ 3-74
3.6.4 Rotation and Displacement Instructions ........................................ 3-96
3.6.5 Data Processing Instructions ....................................................... 3-108
3.6.6 High Speed Processing Instructions ........................................... 3-125
3.6.7 Handy Instrucitons ...................................................................... 3-172
3.6.8 External I/O Display Instrucitons ................................................. 3-228
3.6.9 Serial I/O Instrucitons .................................................................. 3-245
3.6.10 Basic Instructions ........................................................................ 3-309
3.6.11 Communication Instructions ........................................................ 3-323
3.6.12 Floating Point Operation Instructions .......................................... 3-405
3.6.13 Additional Instructions ................................................................. 3-437
3.6.14 Positioning Control Instructions ................................................... 3-471
3.6.15 Real Time Calendar Instructions ................................................. 3-524
3.6.16 Gray Code Instructions ............................................................... 3-535
3.6.17 Matrix Operation Instructions ...................................................... 3-538
3.6.18 Contact Type Logic Operation Instructions ................................. 3-556
3.6.19 Contact Type Comparison Instructions ....................................... 3-560
3.6.20 Specific Bit Control Instructions ................................................... 3-588
3.6.21 Floating-Point Contact Type Comparison Instructions ................ 3-598
3.6.22 Delta Special CANopen Communication Instructions ................. 3-602
3.6.23 Module Instructions ..................................................................... 3-659
4 Communications
4.1
Communication Ports ............................................................................... 4-2
4.2 Communication Protocol ASCII mode ...................................................... 4-3
4.2.1 ADR (Communication Address) ...................................................... 4-3
4.2.2 CMD (Command code) and DATA .................................................. 4-4
4.2.3 LRC CHK (checksum) ..................................................................... 4-5
4.3
Communication Protocol RTU mode ........................................................ 4-7
4.3.1 Address (Communication Address) ................................................. 4-7
4.3.2 CMD (Command code) and DATA .................................................. 4-7
4.3.3 CRC CHK (check sum) ................................................................... 4-8
4.4
PLC Device Address ............................................................................. 4-11
4.5 Command Code .................................................................................... 4-13