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CLI Commands
B-38
System Software for M7-300 and M7-400 Installation and Operation
C79000-G7076-C850-02
B.29 SET
Function Define an environment string
Inline command
Syntax set [<string_1>=[<string_2>]]
Description
This command defines an environment string with the CRUN function putenv. If
<String_2> is omitted, <String_1> is removed from the environment.
If the command SET is entered without parameters all current environment strings
are displayed.
Note
A separate environment is maintained for each task managed by the CRUN. You
can use environment string in CLI commands by enclosing the names in % signs,
e.g., %TEMPDIR%. You can access environment strings in programs by using the
ANSI C function getenv which is supported by the CRUN.
Example
SET TEMPDIR=C:\TEMP
Sets the environment string TEMPDIR equal to C:\TEMP.
SET TEMPDIR=
Removes the environment string TEMPDIR from the environment.
SET
Lists all current environment strings.
- 6ES7802–0FA14–8BA0 1
- Qualified Personnel 2
- Correct Usage 2
- Trademarks 2
- Safety Guidelines 2
- Audience 3
- Scope of This Manual 3
- What is New? 3
- Feedback 4
- SIMATIC Training Center 6
- Further Support 6
- Table of Contents 10
- Product Overview 13
- 1.1 M7 Optional Packages 14
- Dependencies 15
- Real-Time Operating System 17
- Additional Hardware 17
- Mass Storage 18
- Characteristic Features 20
- Device Control 20
- Interrupt Handling 20
- Monitor and Keyboard 21
- Error Handling 21
- 2.1 Installing M7-SYS RT V4.0 23
- Software Prerequisites 24
- Procedure 24
- Uninstall 24
- Menu Command 27
- Chapter Overview 27
- Reason for Installation 28
- Installation Options 28
- Basic Procedures 28
- Operating System Versions 29
- Selecting an Operating System 30
- Selecting a Medium 30
- Installing MS DOS 32
- Partitioning the Hard Disk 32
- Formatting the Target Medium 32
- Installing into an MPI Subnet 33
- Initial State 34
- Prerequisites 34
- Basic Procedure 36
- 3.8 Updating the Firmware 42
- Requirement 43
- Versions and Revision Levels 43
- In the Event of a Fault 45
- Configuration Files 45
- 3.10 The RMOS.INI File 49
- RMOS Section 50
- a space – in the CLI 50
- RMOS DOS Section 51
- 3.11 The INITTAB File 52
- What is a “Remote Terminal”? 53
- Starting the Remote Terminal 54
- MPI Addresses 54
- Using the CLI 55
- Using the Low-Level Debugger 55
- Component Functions 56
- CLI Task 56
- Program Manager 56
- Reloadable Commands 56
- Runtime Environment 57
- CLISTART.BAT 57
- Starting the CLI 57
- Editing Commands 58
- Directory Names 59
- Extensions 59
- Diverting Input and Output 60
- Accessing Drives 61
- Printing Under M7 RMOS32 61
- Descriptions of CLI Commands 61
- Application 62
- Selecting Programs 63
- Transfer Medium 63
- Rules for Off-Line Transfer 66
- Deleting M7 Programs 66
- Starting M7 Programs 67
- Starting Programs via the CLI 67
- Information Functions 68
- CPU-Messages 68
- Settings 68
- Where To Find Information 69
- Using Mass Storage 71
- Formatting under MS-DOS 72
- Formatting under M7 RMOS32 73
- The HDPART Command 74
- Reformatting a Hard Disk 74
- Formatting Diskettes 74
- Operator Prompting 74
- Partitioning 75
- Main Menu 75
- The Accept Menu 76
- The Change Menu 76
- The Add Menu 77
- The Abort Menu: 77
- Configuration File 79
- System Files 79
- Bootstrap Loader 79
- 5.5 Using Memory Cards 80
- 5.6 The REMAP_A Program 81
- Low-Level Debugger 83
- Debugger Prompt 85
- Task Mode 85
- Monitor Mode 86
- The Meaning of Context 87
- Task Execution 87
- Debugger Start 87
- Initialization of the Console 88
- Omitted Breakpoints 88
- 6.3 Syntax 89
- 6.4 Debugger Commands 91
- Memory and Registers 92
- Control Passing 92
- Input/Output 92
- Loadable Drivers 93
- 7.2 Loading a Driver 94
- Loading a Driver with CLI 95
- Removing a Driver 95
- Loading the 3964 Driver 96
- Loading the SER8250 Driver 96
- Features 99
- C79000-G7076-C850-02 100
- Retentive Data 102
- Clock Synchronization 102
- 19.2 kbps on MPI 103
- Device Unit Allocation 103
- EGA/VGA Configuration 103
- Operating System Cycle 104
- C Runtime Library CRUN 104
- System Tasks 104
- System Console 104
- M7 RMOS32 Drivers 105
- Boot Procedure 105
- Boot Medium 106
- File Management System 106
- Watchdog 106
- A.3 Main Memory Allocation 107
- Memory Areas for AT Cards 108
- Mass Storage 108
- Parallel Ports 108
- Serial Ports 109
- Resources 110
- Memory Pool 110
- Memory Allocation 111
- A.5.1 RM3PMEM.SYS 114
- A.5.2 RM3RESET.SYS 115
- DOS Debugger 116
- Maximum Number of Open Files 117
- Reading a Directory File 117
- 32-Bit-Directory Entry 117
- Start Message under MS-DOS 117
- DOS Breakdown 118
- CLI Commands 119
- B.1 BYT8250 121
- Description 122
- B.2 CANCEL 123
- Syntax cd [< 124
- B.4 CHGKBD 125
- B.5 COPY 126
- B.6 CPRI 128
- B.7 DATE 129
- B.9 DEVICE 131
- B.10 DIR 134
- B.11 DISMOUNT 135
- B.12 ECHO 136
- B.13 ERROR 137
- B.14 EXIT 138
- B.15 FORMAT 139
- B.16 FTLFORM 140
- B.17 HELP 142
- Function Create new directory 143
- Syntax md <directory> 143
- B.19 MOUNT 144
- B.21 PATH 146
- B.22 PING 148
- B.23 PROMPT 149
- Syntax rd <directory> 150
- B.25 RDISK 151
- B.26 RENAME 152
- B.27 SCANDISK 153
- Errors and Remedies 154
- B.28 SESSION 155
- B.29 SET 156
- B.30 START 157
- B.31 SYSTAT 158
- B.32 TIME 159
- B.33 VER 160
- B.34 CLI Error Messages 161
- Return Values of Task Loader 163
- Debugger Commands 165
- C.1 Debugger Syntax Rules 167
- Expression <expr> 168
- Constant (const) 168
- Delimiter (DEL) 169
- Breakpoints 170
- C.3 BASE 173
- C.4 BREAKS 174
- C.5 CALCULATE 175
- C.6 CALL 176
- C.7 CHANGE 177
- C.8 CONT 178
- BL 179
- C.10 DIR 180
- C.11 DISPLAY 183
- C.12 EVALUATE 184
- C.13 EXIT 185
- C.14 EXITK 186
- C.15 FILL 187
- C.16 FREETASK 188
- C.18 HALT 190
- C.19 HELP 191
- Function Read I/O port 192
- C.21 INHIB 193
- C.22 KILL 194
- C.23 LINES 195
- C.24 LOADTASK 196
- C.25 MONITOR 198
- C.26 OUT 199
- C.27 QUALIFY 200
- C.28 QUERY 201
- C.29 REGS 203
- C.30 REPORT 205
- C.31 SET 211
- C.32 STACK 213
- C.33 START 214
- C.34 STEP 215
- C.35 SVC 216
- C.36 SWITCH 218
- C.37 TASK 219
- C.38 TCB 220
- C.39 TCD 221
- C.40 Debugger Error Messages 222
- System Status List SZL 225
- D.3 SZL-ID 228
- Possible SZL Partial Lists 229
- Data Record 230
- Expansions for M7-300/400 231
- Characteristic Identifier 232
- Transition 237
- Mode Transition Information 238
- Index W#16#0001 241
- Index W#16#0005 242
- Index W#16#0008 243
- Diagnostic Buffer 249
- Geographical Address 251
- Base Address 252
- Diagnostic Data 255
- Channel-Specific Faults 258
- Channel Type for M7 FMs 258
- Glossary 259
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