Siemens LOGO!, Manual

Page: 370 / 534

Index
LOGO!
370
Manual, 04/2011, A5E03556174-01
Analog threshold trigger, 213
Analog watchdog, 223
Astronomical clock, 195
Asynchronous pulse generator, 175
Average value, 276
Basics, 150
Edge-triggered wiping relay, 172
Hours counter, 205
Latching relay, 228
Mathematic instruction, 265
Mathematic instruction error detection, 268
Max/Min, 273
Message texts, 231
Mutliple function switch, 182
Off-delay, 164
On-/Off- delay, 166
On-delay, 160
PI controller, 256
Pulse output, 170
Pulse relay, 229
Pulse Width Modulator (PWM), 261
Random generator, 177
Relays, 170, 172, 228, 229
Retentive on-delay, 168
Softkey, 243
Stairway lighting switch, 179
Stopwatch, 198
Threshold trigger, 210
Triggers, 213, 216
Up-down counter, 201
Weekly timer, 185
Wiping relay, 170
Yearly timer, 190
Stairway lighting switch, 179
Start, 97
Startup flag, 139
Stop, 107
Stopwatch, 198
Subunits, 39
Summertime, 111
Summertime/wintertime conversion, 294
Clock, 111
S/W Time, 112
Switch
Multiple function, 182
Stairway lighting, 179
Switched current
maximum, 56
Synchronization, 294
Clock, 116
Sync, 116
T
Text Display (TD), 15
Threshold trigger, 210
Ticker, 236
Time response, 151
Timebase, 151, 161
Timer
accuracy, 152
Timers
Astronomical clock, 195
Asynchronous pulse generator, 175
Edge-triggered wiping relay, 172
Multiple function switch, 182
Off-delay, 164
On-/Off- delay, 166
On-delay, 160
Random generator, 177
Retentive on-delay, 168
Stairway lighting switch, 179
Stopwatch, 198
Weekly, 185
Wiping relay (pulse output), 170
Yearly, 190
Trigger
Analog differential, 216
Analog threshold, 213
U
Unused connectors, 71, 77
Up/down counter, 201
User-Defined Function (UDF), 279
V
Voltage levels, 140
Voltage supply
Circuit protection, 47
W
Weekly timer, 185
Examples, 188
setting, 187
Wintertime, 111
Wiping relay
edge triggered, 172
Wire ferrules, 46
without display
PC-LOGO mode, 315