Technical data

Index
Programming with STEP 7
702 Manual, 05/2010, A5E02789666-01
U
UDT 226, 597, 606, 607, 608
UDT - User-defined Data Types in STL Source Files
Example 308
Uninstalling STEP 7 55
Uninstalling the User Authorization 47
Unknown modules 190
Unmasking
Start Events 110
Unmasking Synchronous Errors 668
Example 668
Unused Addresses
Displaying 318
Unused Symbols 316
UPDAT_PI 85, 576
UPDAT_PO 85, 576
Update (operating system of the CPU) 681
Updating 414, 423, 681
Firmware (operating system) of module and
submodules - offline 681
Process image 82, 84, 85
Process Image 576, 577, 578, 579
Updating Block Calls 263
Updating Firmware 411, 421
Updating Firmware in Modules and Submodules Online
411, 421
Updating the Operating System (see Updating Firmware
in Modules and Submodules Online) 411, 421
Updating the Window Contents 407
Uploaded Blocks
Editing in the PG/PC 434
Uploading
Blocks from an S7 CPU 434
Station 433
Uploading from the Programmable Controller to the
PG/PC 431
Upper and Lower Case 208, 209
Symbols 208, 209
Upper Limits for Entering Counters 451
Upper Limits for Entering Timers 450
User Data 676
User Interface 134
User Memory 438
Compressing 438
User program
Elements 72
User Program 572
Downloading 572
in the CPU Memory 572
Tasks 71
User Programs
Downloading 418
User rights in MS Windows 7 56
User rights in MS Windows XP/Server 2003 55
User Rights Through The Automation License Manager
43
User Text Libraries 368
User-Defined Data Type
Correcting the Interface 330
User-Defined Data Types 607
User-Defined Data Types (UDT) 226
Entering the Structure 273
User-defined diagnostic messages
Displaying 373
User-Defined Diagnostic Messages
Creating and Editing 353, 361
Uses for Saving/Archiving 543
Using
SFC 576
Using a Micro Memory Card as a data carrier 182
Using Arrays to Access Data 601
Using Clock Memory and Timers 683
Using Complex Data Types 600
Using Foreign-Language Character Sets 159
Using Multiple Instances 247
Using Older Projects 630
Using Structures to Access Data 604
Using the Clock Functions 682
Using the Parameter Type ANY 619
Using the Parameter Type POINTER 611
Using the System Memory Areas 574
Using the Variable Declaration in Logic Blocks 244
Using User-Defined Data Types to Access Data 606
V
Valves 66
Creating an I/O Diagram 66
Variable declaration table 241
for OB81 503
Variable Declaration Table 244
FC for the Sample Industrial Blending Process 646
OB for the Sample Industrial Blending Process 648
Purpose 244
System Attributes for Parameters 245
Variable Declaration Window
Entering a Multiple Instance entering 248
Variable Declarations
in STL Source Files 298
Variable Detail View 245
Structure 246
Variable table
Saving 441
Using 441
Variable Table 445
Copying/Moving 445
Creating 444
Creating and Opening 443
Editing 446
Example 446, 447
Example of Entering Addresses 452
Inserting a Contiguous Address Range 449
Inserting Addresses or Symbols 446
Maximum Size 448
Opening 444
Saving 445
Syntax Check 447
Variables 395, 396
Modifying 459