Delta DVP-SS2 User Manual

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DVP-ES2/EX2/EC5/SS2/SA2/SX2/SE&TP
Operation Manual Programming
Contents
1 PLC Concepts
1.1
PLC Scan Method .....................................................................................1-2
1.2 Current Flow ..............................................................................................1-3
1.3 NO Contact, NC Contact ...........................................................................1-3
1.4 PLC Registers and Relays ........................................................................1-3
1.5 Ladder Logic Symbols ...............................................................................1-3
1.5.1 Creating a PLC Ladder Program ..................................................... 1-5
1.5.2 LD / LDI (Load NO contact / Load NC contact) ............................... 1-6
1.5.3 LDP / LDF (Load Rising edge trigger/ Load Falling edge trigger) .... 1-6
1.5.4 AND / ANI (Connect NO contact in series / Connect NC contact in
series) ............................................................................................. 1-6
1.5.5 ANDP / ANDF (Connect Rising edge in series/ Connect Falling edge
in series) .......................................................................................... 1-6
1.5.6 OR / ORI (Connect NO contact in parallel / Connect NC contact in
parallel)............................................................................................ 1-6
1.5.7 ORP / ORF (Connect Rising edge in parallel/ Connect Falling edge in
parallel)............................................................................................ 1-6
1.5.8 ANB (Connect block in series) ......................................................... 1-6
1.5.9 ORB (Connect block in parallel) ...................................................... 1-7
1.5.10 MPS / MRD / MPP (Branch instructions) ......................................... 1-7
1.5.11 STL (Step Ladder Programming) ..................................................... 1-7
1.5.12 RET (Return) ................................................................................... 1-8
1.6 Conversion between Ladder Diagram and Instruction List Mode ..............1-9
1.7 Fuzzy Syntax ........................................................................................... 1-10
1.8 Correcting Ladder Diagram ..................................................................... 1-11
1.9 Basic Program Design Examples ............................................................ 1-13
2 Programming Concepts
2.1 ES2/EX2/EC5 Memory Map ......................................................................2-2
2.2 SS2 Memory Map ......................................................................................2-5
2.3 SA2/SX2 Memory Map ..............................................................................2-7
2.4
SE Memory Map ...................................................................................... 2-10
2.5 Status and Allocation of Latched Memory ............................................... 2-12
2.6 PLC Bits, Nibbles, Bytes, Words, etc ....................................................... 2-13
2.7 Binary, Octal, Decimal, BCD, Hex ........................................................... 2-13
2.8 M Relay ................................................................................................... 2-15
2.9 S Relay .................................................................................................... 2-29
2.10 T (Timer) .................................................................................................. 2-30
2.11 C (Counter) .............................................................................................. 2-31
2.12 High-speed Counters............................................................................... 2-33
2.13 Special Data Register .............................................................................. 2-38

Delta DVP-SS2 Specifications

General

Brand	Delta
Model	DVP-SS2
Category	Controller
Language	English