User Manual

Table of contents
LOGO!
Manual, 06/2014, A5E33039675
9
4.4.16 Hours counter ............................................................................................................................. 176
4.4.17 Threshold trigger ........................................................................................................................ 180
4.4.18 Analog threshold trigger ............................................................................................................. 183
4.4.19 Analog differential trigger ........................................................................................................... 186
4.4.20 Analog comparator ..................................................................................................................... 188
4.4.21 Analog watchdog........................................................................................................................ 192
4.4.22 Analog amplifier ......................................................................................................................... 195
4.4.23 Latching relay ............................................................................................................................. 197
4.4.24 Pulse relay ................................................................................................................................. 198
4.4.25 Message texts ............................................................................................................................ 200
4.4.26 Softkey ....................................................................................................................................... 209
4.4.27 Shift register ............................................................................................................................... 211
4.4.28 Analog multiplexer ..................................................................................................................... 213
4.4.29 Analog ramp ............................................................................................................................... 216
4.4.30 PI controller ................................................................................................................................ 220
4.4.31 Pulse width modulator (PWM) ................................................................................................... 224
4.4.32 Mathematic instruction ............................................................................................................... 227
4.4.33 Mathematic instruction error detection ....................................................................................... 230
4.4.34 Analog filter ................................................................................................................................ 232
4.4.35 Max/Min ...................................................................................................................................... 234
4.4.36 Average value ............................................................................................................................ 237
5 Web server ......................................................................................................................................... 239
5.1 Enabling the Web server ............................................................................................................ 239
5.2 Logging on to the Web server .................................................................................................... 240
5.3 Viewing LOGO! system information ........................................................................................... 242
5.4 Operating the virtual module on the Web server ....................................................................... 243
5.5 Viewing and editing variable memory tables ............................................................................. 248
5.6 Logging off from the Web server................................................................................................ 248
6 UDF (User-Defined Function) .............................................................................................................. 249
7 Data log .............................................................................................................................................. 253
8 Configuring LOGO! ............................................................................................................................. 255
8.1 Selecting parameter assignment mode ..................................................................................... 255
8.1.1 Parameters ................................................................................................................................. 257
8.1.2 Selecting the parameters ........................................................................................................... 258
8.1.3 Modifying parameters ................................................................................................................ 259
8.2 Setting the default values for LOGO! ......................................................................................... 261
8.2.1 Setting the time of day and date ................................................................................................ 262
8.2.2 Setting the display contrast and backlight choice ...................................................................... 263
8.2.3 Setting the menu language ........................................................................................................ 265
8.2.4 Setting the number of AIs in LOGO! .......................................................................................... 266
8.2.5 Setting the start screen .............................................................................................................. 267
9 Using memory cards ........................................................................................................................... 269
9.1 Formatting micro SD cards ........................................................................................................ 269
9.2 Inserting and removing the card from LOGO! ............................................................................ 273