AS 4168.1-1994

1 - AS 4168.1:1994 PROGRAMMABLE CONTROLLERS - GENERAL INFORMATION
4 - PREFACE
6 - CONTENTS
8 - INTRODUCTION
9 - 1 General
9 - 1.1 Scope
9 - 1.2 Object of the standard
10 - 1.3 Object of this part
10 - 1.4 Normative references
11 - 2 DefinItIons
11 - 2.1 Application program
11 - 2.2 Assignment list
11 - 2.3 Automated system
11 - 2.4 Availability
11 - 2.5 Binary coded decimal (BCD)
11 - 2.6 Boolean data
11 - 2.7 Bus
11 - 2.8 Byte
11 - 2.9 Catalogued device
12 - 2.10 Component
12 - 2.11 Connect/disconnect
12 - 2.12 Coupling (for interference)
12 - 2.13 Cross-reference list
12 - 2.14 Current sinking
12 - 2.15 Current sourcing
12 - 2.16 Data communication equipment (DCE)
12 - 2.17 Data terminal equipment (DTE)
12 - 2.18 Device
12 - 2.19 Disconnect
12 - 2.20 Duration
13 - 2.21 Element
13 - 2.22 Execution
13 - 2.23 Fail-safe shut down
13 - 2.24 Image (input/output (I/O) image), image register)
13 - 2.25 Input
13 - 2.26 Instruction
13 - 2.27 Internal failure
13 - 2.28 Isolated (devices, circui ts)
13 - 2.29 Ladder diagram (relay ladder diagram)
14 - 2.30 Language
14 - 2.31 Logic control system
14 - 2.32 Main processing unit (MPU)
14 - 2.33 Man-machine interface (MMI)
14 - 2.34 Mean time between failure (MTBF)
15 - 2.35 Memory utilization
15 - 2.36 Network
15 - 2.37 On-line
15 - 2.38 Operating system
15 - 2.39 Operation
15 - 2.40 Output
15 - 2.41 Overvoltage category
15 - 2.42 PC program
15 - 2.43 PC-system
15 - 2.44 Peripheral
16 - 2.45 Peripheral (permanent, transportable, portable, hand-held portable, on-line pluggable)
16 - 2.46 Permanent installation
16 - 2.47 Plug/unplug
16 - 2.48 Power rail
16 - 2.49 Pluggable
16 - 2.50 Programmable controller (PC)
17 - 2.51 Programmable controller system (PC-system)
17 - 2.52 Programming and debugging tool (PADT)
17 - 2.53 Real number
17 - 2.54 Rel ay ladder diagram
17 - 2.55 Remote input/output station (RIOS)
17 - 2.56 Restart (cold r., hot r., warm r.)
18 - 2.57 Restart (automatic, controlled, manual of protected output)
18 - 2.58 Rung
18 - 2.59 Scan time
18 - 2.60 Sequential control system
18 - 2.61 Sequential function chart (SFC)
18 - 2.62 Serial (data transmission)
18 - 2.63 Sink mode output
19 - 2.64 Software
19 - 2.65 Source mode output
19 - 2.66 System software
19 - 2.67 Test equipment (TE)
19 - 2.68 Time (delay, execut i on, response, scan, transfer)
21 - 2.69 Time of day
21 - 2.70 Timer (off-delay timer, on-delay timer)
21 - 2.71 User program
21 - 2.72 User program memory
21 - 2.73 Voltage - common mode
21 - 2.74 Voltage - transverse mode (differential mode)
21 - 2.75 Watchdog
21 - 2.76 Word
22 - 3 Glossary
22 - 3.1 Baud
22 - 3.2 Binary character
22 - 3.3 Binary digit (bit)
22 - 3.4 Bit
22 - 3.5 Character
22 - 3.6 Character set
22 - 3.7 Data
23 - 3.8 Direct address
23 - 3.9 Direct addressing
23 - 3.10 Feedback control
23 - 3.11 Hardware
23 - 3.12 Hexadecimal
23 - 3.13 Initialization
23 - 3.14 Interrupt
23 - 3.15 Jump (unconditional jump, conditional jump)
23 - 3.16 Open loop control
24 - 3.17 Parameter
24 - 3.18 Program
24 - 3.19 Redundancy
24 - 3.20 Register
24 - 3.21 Reliability
24 - 3.22 Sequential program
24 - 3.23 Statement
24 - 3.24 Syntax
24 - 3.25 Variable
25 - 4 Functional characteristics
25 - 4.1 Basic functional structure of a programmable controller system
25 - 4.1.1 General structure
26 - 4.1.2 Signal processing function
26 - 4.1.3 Interface function to sensors and actuators
26 - 4.1.4 Communication function
26 - 4.1.5 Man-machine interface (MMI) function
26 - 4.1.6 Programming, debugging, testing and documentation functions
26 - 4.1.7 Power supply functions
27 - 4.2 Characteristics of the signal processing function
27 - 4.2.1 Operating system
27 - 4.2.2 Memory for appl icat i on program and application data storage
27 - 4.2.2.1 Application program storage
27 - 4.2.2.2 Application data storage
28 - 4.2.2.3 Memory type, memory capacity, memory utilization
28 - 4.2.3 Execution of the application program
29 - 4.3 Characteristics of the interface function to sensors and actuators
29 - 4.3.1 Types of input/output signals
29 - 4.3.2 Characteristics of the input/output system
29 - 4.4 Characteristics of the communication function
29 - 4.5 Characteristics of the man-machine interface (MMI) function
29 - 4.6 Characteristics of the programming, debugging, monitoring, testing and documentation functions
30 - 4.6.1 Writing the application program
30 - 4.6.1.1 Generati ng the application program
30 - 4.6.1.2 Displ aying the application program
30 - 4.6.2 Automated system startup
30 - 4.6.2.1 Loadi ng the application program
30 - 4.6.2.2 Accessing the memory
30 - 4.6.2.3 Adapting the programmable controller system
30 - 4.6.2.4 Indicating the automated system status
31 - 4.6.2.5 Testing the application program
31 - 4.6.2.6 Modifying the application program
31 - 4.6.3 Documentation
31 - 4.6.4 Application program archiving
32 - 4.7 Characteristics of the power supply functions
32 - 4.8 Availability and reliability
32 - 4.8.1 Architecture of the automated system
32 - 4.8.2 Architecture of the programmable controller system
32 - 4.8.3 Design, testing and maintenance of the application program
32 - 4.8.4 Installation and service conditions
33 - 4.9 Ergonomic characteristics
33 - 4.9.1 General
33 - 4.9.2 Status indicators
33 - 4.9.3 Displays
33 - 4.9.4 Keyboards
33 - 4.9.5 Other recommendations
35 - Annex A - Illustration of programmable controller system hardware definitions
36 - Annex B - Typical interface diagram of a programmable controller system