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(3) Dead band setting in two-position control (three-position control)
Set the dead band in two-position control.
Three-position control can be achieved by setting a dead band area in addition to areas for the manipulated value
for heating (MVh) 100% and the manipulated value for cooling (MVc) 100%.
Heating only
(manipulated value for cooling (MVc): 0%)
100%
0%
-100%
(4) Setting method
1.
Set "Method selection" to "Param write" of the control mode to be used.
"CC IE Field Configuration" windowSelect the temperature control module from "List of
stations"[CC IE Field Configuration][Online][Parameter Processing of Slave Station]
2.
Set "CH Overlap_dead band setting".
Manipulated value
for heating (MVh): 0%
Manipulated value
(manipulated value for heating (MVh): 0%)
for cooling (MVc): 0%
Heating
Set value (SV)
Input range
Cooling only
Temperature to start cooling
Cooling
CHAPTER 8 FUNCTIONS
Heating proportional band (Ph): 0
Cooling proportional band (Pc):
No setting required
Integral time (I):
No setting required
Derivative time (D):
No setting required
Temperature
process value (PV)
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8
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Troubleshooting
