User Manual

Controller user's manual INDU-50 v1.95(86)EN
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8. Governor diagrams
Governor – simple histeresis – heating
Type 0*
Tz – temperature setpoint
t – time
Governor – reversed histeresis – refrigeration
Type 1*
Tz – temperature setpoint
t – time
Governor – simple histeresis – algorithm of temperature
approaching
Type 2*
Temperature control can be divided into three
zones. In the first zone the output Dout is controlled
until Tza temperature is reached.
Above the Tza
temperature, in the second zone, the algorithm of
temperature approaching the set value id realized. In
the third zone the temperature in between the
lower and upper histeresis is kept.
Governor of temperature approaching
Tz – temperature setpoint
t – time
Tza – thershold tempereature for triggering the
„approach” algorithm (for temp. below Tza-Dout
output is permanently on)
Dout – state at binary output (high state corresponds
with the activation of heaters)
Governor PID
Type 3
*
Tz – temperature setpoint
t – time

governors types set for individual channels in SETUP cells SF29, 30, 31