Yamatake SDC35, User Manual

Page: 179 / 280

6-7
Chapter 6. LIST OF DISPLAYS AND SETTING DATA
■
PID bank
Bank selection:
(Note) For presence of the decimal point, when [C23: PID Decimal point position] is set at “0”, the
decimal point does not exist. When this setting is set at “1”, the decimal point exists.
Display Item
Contents
Initial
value
User
level
Remarks
Proportional band
(PID 1) 0.1 to 999.9% 5.0 0 Displayed when the control
method is other than the
ON/OFF control (CtrL
≠
0).
Integral time (PID 1) 0 to 9999s or 0.0 to 999.9s (Note)
(No integration control action when
set at "0".) 120 0
Derivative time
(PID 1) 0 to 9999s or 0.0 to 999.9s (Note)
(No derivative control action when set
at "0".) 30 0
Manual reset (PID 1) -10.0 to +110.0% 50.0 0
Displayed when the control
method is other than the
ON/OFF control (CtrL
≠
0) and
the I (Integral time) in the
same PID group is “0”.
MV low limit (PID 1) -10.0 to +110.0% 0.0 1 Displayed when the control
method is other than the
ON/OFF control (CtrL
≠
0) or
Displayed when the control
method is other than the
ON/OFF control (CtrL
≠
0) and
the Heat/Cool control is used
(C26 = 1).
MV high limit (PID 1) -10.0 to +110.0% 100.0 1
Proportional band for
cool side (PID 1) 0.1 to 999.9% 5.0 0
Integral time for cool
side (PID 1) 0 to 9999s or 0.0 to 999.9s (Note)
(No integration control action when
set at "0".) 120 0
Derivative time for
cool side (PID 1) 0 to 9999s or 0.0 to 999.9s (Note)
(No derivative control action when set
at "0".) 30 0
Output low limit for
cool side (PID 1) -10.0 to +110.0% 0.0 1
Output high limit for
cool side (PID 1) -10.0 to +110.0% 100.0 1
Proportional band
(PID 2) Same as PID 1 5.0 0 Same as PID 1
Integral time (PID 2) 120 0
Derivative time
(PID 2) 30 0
Manual reset (PID 2) 50.0 0
MV low limit (PID 2) 0.0 1
MV high limit (PID 2) 100.0 1
Proportional band for
cool side (PID 2) 5.0 0
Integral time for cool
side (PID 2) 120 0
Derivative time for
cool side (PID 2) 30 0
Output low limit for
cool side (PID 2) 0.0 1