Table Of Contents - Delta DVP-ES2 Operation Manual

2.12 High-speed Counters .............................................................................. 2-25
2.13 Special Data Register ............................................................................. 2-29
2.14 E, F Index Registers ................................................................................ 2-38
2.15 Nest Level Pointer[N], Pointer[P], Interrupt Pointer [I] ............................. 2-39
2.16 Applications of Special M Relays and D Registers .................................. 2-41
3 In st ru ctio n Se t
3.1 Basic Instructions (Without Api Numbers) .................................................. 3-2
3.2 Explanations To Basic Instructions ............................................................. 3-2
3.3 Pointers ................................................................................................... 3-13
3.4 Interrupt Pointers ..................................................................................... 3-13
3.5 Application Programming Instructions ..................................................... 3-15
3.6 Numerical List Of Instructions (Classified According To The Function) ........ 3-24
3.7 Numerical List Of Instructions (In Alphabetic Order) ................................. 3-33
3.8 Detailed Instruction Explanation .............................................................. 3-40
4 Co mmuni cat ion s
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 ............................................................................... 4-10
4.5 Command Code ...................................................................................... 4-12
4.5.1 Command Code: 01, Read Status of Contact (Input point X is not
included) .......................................................................................... 4-12
4.5.2 Command Code: 02, Read Status Of Contact (Input Point X Is Included)
......................................................................................................... 4-13
4.5.3 Command Code: 03, Read Content Of Register (T, C, D) ................ 4-14
4.5.4 Command Code: 05, Force On/Off Single Contact ........................ 4-15
4.5.5 Command Code: 06, Set Content Of Single Register .......................... 4-16
4.5.6 Command Code: 15, Force On/Off Multiple Contacts .................... 4-16
4.5.7 Command Code: 16, Set Content Of Multiple Registers ..................... 4-17
5 Sequ ent ial Fun cti on Cha rt
5.1 Step Ladder Instruction [Stl], [Ret] ........................................................ 5-2
5.2 Sequential Function Chart (Sfc) .............................................................. 5-2
5.3 The Operation Of Stl Program ................................................................. 5-4
5.4 Points To Note For Designing A Step Ladder Program ............................. 5-10
5.5 Types Of Sequences ............................................................................... 5-12
5.6 Ist Instruction ......................................................................................... 5-23
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