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12.93 1 Introductory Remarks
1.1 Application
1 Introductory Remarks
1.1 Application
The PLC 135 WB/WB2/WD is a powerful interface controller for process automation
(controlling, reporting, monitoring). It is integrated in the SINUMERIK 880 / 880 GA2 and
SINUMERIK 840C numerical control and controls machine-related functional sequences
(auxiliary axes, tool magazines, monitors).
With the SINUMERIK 880 / 880 GA2 up to two PLCs and with the SINUMERIK 840C one PLC
(programmable logic controller) can be used per control. The user programs are developed in
the STEP 5 programming language or in high-level programming languages.
1.2 Programming languages
1.2.1 STEP 5 programming language
The operations available in STEP 5 enable the user to program functions ranging from simple
binary logic to complex digital functions and basic arithmetic operations.
Depending on the programmer (PG) used a STEP 5 program may be written in the form of a
control system flowchart (CSF), ladder diagram (LAD) or statement list (STL) (Fig. 1.1), thus
enabling the programming method to be adapted to the application. The machine code (MC5)
generated by the programmers is identical for all three. Depending on the programmer (PG)
used, the user program can be translated from one method of representation to another by
conforming to certain programming conventions (see Section RULES OF COMPATIBILITY
BETWEEN LAD, CSF AND STL METHODS OF REPRESENTATION).
Fig. 1.1 Methods of representing the STEP 5 programming language
Ladder diagram Statement list Control system
flowchart
Programming with Programming with Programming
symbols similar to mnemonics with graphic
those used in sche- designating symbols
matic circuit dia- functions
grams
Complies with Complies with Complies with
DIN 19239 DIN 19239 IEC 117-15
(draft) (draft) DIN 40700
DIN 40719
DIN 19239
(draft)
( )
LAD STL
AI
AN I
AI
ON I
OI
=Q
>=1
&
CSF
© Siemens AG 1992 All Rights Reserved 6FC5197- AA80 1–1
SINUMERIK 840C/880 (PJ)
- SINUMERIK 840C 1
- SINUMERIK 880/880 GA2 1
- PLC 135 WB/WB2/WD 1
- SINUMERIK 2
- documentation 3
- Preliminary Remarks 4
- Contents 5
- 1 Introductory Remarks 8
- 1.3 Programming 9
- 1.3.1 Program structure 9
- 1.3.2 Program organization 10
- 1.3.3 Program processing 11
- 1 Introductory Remarks 12.93 13
- 2 Program Blocks 14
- 2.2 Calling program blocks 15
- 3 Data Blocks 16
- 3.2 Calling data blocks 17
- 3 Data Blocks 11.92 19
- 4 Function Blocks 20
- 4.2.1 Block header 21
- 4.2.2 Block body 21
- 4.3.1 Call statement 22
- 4.3.2 Parameter list 22
- 4.4.1 Library number 23
- 4.4.4 Block parameter types 24
- 5 Organization Blocks 27
- 5.2 Overview 28
- 5.3 Points of interruption 29
- 5.3.1 Normal mode 30
- 5.3.2 Response time 30
- 5.3.3 Special mode 31
- (LIM/SIM) 31
- 1) SINUMERIK 880 only 33
- PLC 1 PLC 2 34
- 11.92 5 Organization Blocks 39
- 5 Organization Blocks 12.93 40
- V Block type Block number 45
- 6 Start-up 46
- 6 Start-up 12.93 47
- 6.1 Self-diagnostics program 47
- 11.92 6 Start-up 48
- 6.3 User data blocks 49
- 6.4 Timeout analysis 49
- 7 Device Error Analysis 50
- 7.1 Interrupt stack 51
- 7.2 Detailed error code 54
- 8.1 Segment allocation 56
- 1) SINUMERIK 880, SW 6 57
- 8.1 Segment allocation 58
- 8.2 Segment switch 59
- 8.3 Block lists 59
- 8.3 Block lists 60
- Examples 61
- 9.2 Basic operations 64
- 9.2.2 Storage operations 67
- 1) Not for transfers 70
- 2) PII: Process input image 70
- 3) PIQ: Process output image 70
- 9.2.5 Comparison operations 80
- 9.2.6 Block calls 84
- 9.2.7 Code operations 86
- 9.2.8 Arithmetic operations 87
- 9.2.9 Other operations 88
- 9.3.2 Setting operations 89
- 9.3.8 Shift operations 95
- 9.3.9 Conversion operations 96
- 9.3.11 Jump operations 97
- 9.3.11 Jump operations 98
- 9.3.12 Processing operations 100
- 9.3.12 Processing operations 101
- SINUMERIK 840C/880 (PJ) 101
- 9.3.14 Other operations 103
- 9.3.14 Other operations 104
- 10.1 General 106
- AND-boxes 109
- Fig. 10.20 Connector for CSF 119
- 11 Hardware 122
- 12.93 11 Hardware 126
- Programmer 127
- 12.3 START PLC 128
Prodotti e manuali riguardandi Generatori elettrici Siemens 880
Generatori elettrici Siemens v1.0 Manuale Utente
(67 pagine)
(67 pagine)
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