Table of co ntents
LOGO!
8 Manual, 06/2014, A5E33039675
3.7.10 Correcting progra mming er rors ................................................................................................... 89
3.7.11 Selecting a nalog output va lues for RUN /STO P transiti on .......................................................... 89
3.7.12 Defining th e type of analog outputs ............................................................................................ 91
3.7.13 Setting the power- on delay of LOGO! ......................................................................................... 92
3.7.14 Clearing the circ uit progra m and passw ord ................................................................................ 92
3.7.15 Summert ime/winter time conv ersi on ............................................................................................ 93
3.7.16 Synchron ization ........................................................................................................................... 96
3.8 Configur ing addit ional funct ions for LOGO! ................................................................................ 98
3.8.1 Configur ing networ k setting s ....................................................................................................... 99
3.8.2 Configur ing a UDF (U ser- D efined Fu n ction) ............................................................................. 100
3.8.3 Configur ing the Data Log .......................................................................................................... 101
3.8.4 Viewing n etwork i nputs/out puts ................................................................................................ 101
3.8.5 Changing LO GO! t o master/s lave mode ................................................................................... 103
3.8.6 Diagnosi ng errors fr om LOGO! ................................................................................................. 105
3.9 Memory space and c ircuit p rogram size ................................................................................... 109
4 LOGO! func tions ................................ .................................................................................................. 115
4.1 Constants and conn ectors ........................................................................................................ 115
4.2 Basi c functi ons list - GF ............................................................................................................ 120
4.2.1 AND ........................................................................................................................................... 121
4.2.2 AND with edge eva luation ......................................................................................................... 122
4.2.3 NAND (not AND) ....................................................................................................................... 123
4.2.4 NAND wit h edge ev aluation ...................................................................................................... 123
4.2.5 OR ............................................................................................................................................. 124
4.2.6 NOR (not OR) ........................................................................................................................... 125
4.2.7 XOR (e xclusi ve OR) .................................................................................................................. 126
4.2.8 NOT (Negat ion, Inver ter) ........................................................................................................... 126
4.3 Special funct ions ....................................................................................................................... 127
4.3.1 Designati on of the i nputs ........................................................................................................... 127
4.3.2 Time resp onse .......................................................................................................................... 128
4.3.3 Backup o f the rea l- time clo ck .................................................................................................... 129
4.3.4 Retentivity .................................................................................................................................. 129
4.3.5 Parameter pr otection ................................................................................................................. 129
4.3.6 Calculat ing the gain and offs et of analog va lues ...................................................................... 130
4.4 Special funct ions list - SF .......................................................................................................... 131
4.4.1 On - delay .................................................................................................................................... 136
4.4.2 Off - delay .................................................................................................................................... 140
4.4.3 On -/off - delay ............................................................................................................................. 142
4.4.4 Retentive on- delay .................................................................................................................... 144
4.4.5 Wiping re lay (puls e output) ....................................................................................................... 146
4.4.6 Edge - tr iggered w iping re lay ...................................................................................................... 148
4.4.7 Asynchr onous puls e gener ator ................................................................................................. 150
4.4.8 Random gen erator .................................................................................................................... 152
4.4.9 Stair way l ightin g switc h ............................................................................................................. 154
4.4.10 Multiple f unction sw itch ............................................................................................................. 156
4.4.11 Weekly tim er ............................................................................................................................. 159
4.4.12 Yearly tim er ............................................................................................................................... 162
4.4.13 Astronomic al clock .................................................................................................................... 168
4.4.14 Stopwatch.................................................................................................................................. 171
4.4.15 Up/down c ounter ....................................................................................................................... 173