PMA 407 Mode D'emploi page 13

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Switching off output 1 relay
REL1 Ä
Heating current monitoring
Control inputs W/W2 and L/R
Control input W/W2:
Control input L/R:
Optimizing aid for manual adjustment of control parameters
higher: increased damping
Xp1
lower:
reduced damping
higher: increased damping
Tn
lower:
reduced damping
higher:
reduced damping
Tv
lower:
increased damping
*
Con1
y
= corr. variable
Yh
= control range
Tu
= delay time (s)
Tg
= recovery time (s)
Vmax =
= max. rate of increase
of process value
(°C/s)
Xmax = maximum process
value
Xh
= adjustment range
slower line-out
faster line-out
slower line-out
faster line-out
faster response
slower response
HCA HC
Con2
W2
With 2-point and 3-point controllers, the
cycle time must be adjusted to
∆x
X
max
Tg =
t1 or t2 ß 0,25 Tu.
∆t
slower reduction of energy
faster reduction of energy *
slower change of energy
faster change of energy *
earlier reduction of energy
later reduction of energy *

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