IDEC SmartRelay Manual ix
4.3.3 Backup of the real-time clock ......................................................123
4.3.4 Retentivity....................................................................................123
4.3.5 Parameter protection...................................................................124
4.3.6 Calculating the gain and offset of analog values.........................125
4.4 Special functions list - SF ............................................................ 128
4.4.1 On-delay......................................................................................131
4.4.2 Off-delay ...................................................................................... 135
4.4.3 On-/Off-delay ...............................................................................136
4.4.4 Retentive on-delay.......................................................................138
4.4.5 Interval time-delay relay/Pulse output .........................................139
4.4.6 Edge-triggered interval time-delay relay......................................140
4.4.7 Asynchronous pulse generator....................................................142
4.4.8 Random generator....................................................................... 144
4.4.9 Stairwell Light Switch...................................................................146
4.4.10 Dual-function switch ....................................................................148
4.4.11 Seven-day time switch................................................................. 150
4.4.12 Twelve-month time switch ...........................................................155
4.4.13 Up/down counter .........................................................................161
4.4.14 Operating hours counter.............................................................. 164
4.4.15 Frequency trigger ........................................................................168
4.4.16 Analog trigger .............................................................................. 171
4.4.17 Analog differential trigger.............................................................174
4.4.18 Analog comparator ......................................................................177
4.4.19 Analog watchdog.........................................................................182
4.4.20 Analog amplifier........................................................................... 185
4.4.21 Latching relay ..............................................................................190
4.4.22 Current impulse relay .................................................................191
4.4.23 Message texts.............................................................................. 193
4.4.24 Softkey......................................................................................... 205
4.4.25 Shift register.................................................................................208
4.4.26 Analog Multiplexer.......................................................................210
4.4.27 Analog Ramp Control .................................................................. 212
4.4.28 PI controller .................................................................................216
4.4.29 Pulse Width Modulator (PWM) ....................................................222
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