
Table Of Contents
v
HMI..................................................................................................................................... 298
Variables......................................................................................................................... 298
What is an HMI?............................................................................................................. 301
Jump to Display: scrolling between Displays ................................................................. 301
Displaying text according to the value of a MB or SB .................................................... 304
List Variable: Display text according to a changing MI value......................................... 305
Display Integer values as ASCII or Hexadecimal........................................................... 307
Showing an MI value on the controller's LCD ................................................................ 310
Converting Display values: Linearization ....................................................................... 314
Limiting an MI keypad entry value.................................................................................. 315
Selecting a Timer Display format ................................................................................... 316
Displaying an MI value with a leading zero .................................................................... 317
Displaying Special Symbols on the LCD........................................................................ 318
Ladder ................................................................................................................................ 320
Ladder Net...................................................................................................................... 320
Operands........................................................................................................................ 322
U90 Ladder Elements..................................................................................................... 322
Functions ........................................................................................................................ 324
What is STL?.................................................................................................................. 324
Timers (T) ....................................................................................................................... 326
Placing Contacts & Coils ................................................................................................ 326
Comments Tool .............................................................................................................. 328
Placing a Function Block ................................................................................................ 328
Inserting a new net between two existing nets............................................................... 330
Power-up ........................................................................................................................ 331
Communication Utilities.................................................................................................. 332
Clock Functions.............................................................................................................. 334
Interrupt .......................................................................................................................... 334
Immediate: Read Inputs & HSC, Set/Reset Outputs...................................................... 335
Presetting Timers via Keypad ........................................................................................ 336
Counting accumulated time............................................................................................ 336
Find Mean, Maximum, and Minimum Values ................................................................. 337
Load Indirect................................................................................................................... 338
Load Timer Preset/Current Value................................................................................... 339
Store Timer's Preset/Current Value ............................................................................... 340
Shift Register .................................................................................................................. 341
Square Root ................................................................................................................... 342
Copy MI to Output vector, Input vector to MI ................................................................. 343
Convert MB to MI, MI to MB ........................................................................................... 344
Copy Vector.................................................................................................................... 345
Fill Vector........................................................................................................................ 346
Access indirectly addressed registers: Using the Database .......................................... 348
Linearization ................................................................................................................... 349
Find and Replace Elements ........................................................................................... 352
Building a Counter.......................................................................................................... 353
Comments Tool .............................................................................................................. 354
Loops: Jump to Label ..................................................................................................... 355
Operands in use ............................................................................................................. 357
SMS ................................................................................................................................... 359
Sending SMS messages from a GSM cell phone.......................................................... 359
Writing SMS messages in your cell phone..................................................................... 359
Sending the message to the M90 .................................................................................. 360
Checking that the M90 has received the SMS message ............................................... 360
Using SMS messages in your application...................................................................... 360
SMS Phone Number: via MI Pointer .............................................................................. 361
SMS Phone Number: via MI Pointer .............................................................................. 362
Communications ................................................................................................................ 364
Configuring my PC's modem.......................................................................................... 364
Configuring your PC's modem ....................................................................................... 364
Dialing a remote M90 ..................................................................................................... 366
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