Model DR4020 and DR4022 has two
ON/OFF type controllers that can be
configured by the user with parameter
H01:
• H01=4, 5 threshold controller
• H01=6 controller with window
HC1 HC2 H01 Type of Setting
H
C
4
independent setpoint
H
C
5
interdependent setpoints
-
-
6
Neutral Zone (or window)
Associated parameters: SEt1, SEt2, dF1,
dF2, db1, db2, HC1, HC2 and H01.
CONTROLLER ON-OFF
Independent ON-OFF control diagram. The two outputs provide
1
control as though they were completely independent of each other.
Dependent ON-OFF control diagram.
2
Setpoint SEt2 provides control relative to SEt1.
3
ON-OFF control plan with Neutral Zone (or window).