IDEC SmartRelay Manual
203
IDEC SmartRelay functions
4.4 Special functions list - SF
Visible parameters or process variables
The following parameters or process variables can be displayed in a message text, as either
numerical values or bar-graph representations of values:
Special function Parameter or process variable visible in a
message text
Timers
On-delay T, T
a
Off-delay T, T
a
On-/Off-delay T
a
, TH, TL
Retentive on-delay T, T
a
Interval time-delay relay
(pulse output)
T, T
a
Edge-triggered interval time-delay relay T
a
, TH, TL
Asynchronous pulse generator T
a
, TH, TL
Random generator T
H
, TL
Stairwell light switch T
a
, T, T!, T!L
Dual-function switch T
a
, T, TL, T!, T!L
Seven-day time switch 3*on/off/day
Twelve-month time switch On, Off
Astronomical clock Longitude, latitude, zone, TS, TR
Stopwatch TB, Ta, Lap, AQ
Counter
Up/down counter Cnt, On, Off
Operating hours counter MI, Q, OT
Frequency trigger f
a
, On, Off, G_T
Analog
Analog trigger On, Off, A, B, Ax
Analog differential trigger On, n, A, B, Ax, Off
Analog comparator On, Off, A, B, Ax, Ay, nA
Analog watchdog n, A, B, Ax, Aen
Analog amplifier A, B, Ax
Analog multiplexer V1, V2, V3, V4, AQ
Analog ramp control L1, L2, MaxL, StSp, Rate, A, B, AQ
PI controller SP, Mq, KC, TI, Min, Max, A, B, PV, AQ
Analog math V1, V2, V3, V4, AQ
PWM (Pulse Width Modulator) A, B, T, Ax amplified
Miscellaneous
Latching relay -
Current impulse relay -
Message texts -
Softkey On/Off
Shift register -
Analog filter Sn, Ax, AQ
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