User Manual

IDEC SmartRelay functions
IDEC SmartRelay Manual 165
Parameter MI
The maintenance interval MI can be provided by the actual
value of another already-programmed function. You can use
the actual values of the following functions:
Analog comparator (actual value Ax - Ay, see Chapter
4.4.18)
Analog trigger (actual value Ax, see Chapter 4.4.16)
Analog amplifier (actual value Ax, see Chapter 4.4.20)
Analog multiplexer (actual value AQ, see Chapter 4.4.26)
Analog ramp control (actual value AQ, see Chapter
4.4.27)
Analog math (actual value AQ, see Chapter 4.4.30)
PI controller (actual value AQ, see Chapter 4.4.28)
Up/down counter (actual value Cnt, see Chapter 4.4.13)
Select the required function by the block number.
Par:
Q
R
Ral
En
MN=MI
OT
MN=0
MI=5h
MI = Configured time interval
MN = Time-to-go
OT = Total time expired since the last hi signal at input Ral
Timing diagram