Nor-Cal SDC15 Controller - Manual (Page 143)

6-9
Chapter 6. LIST OF DISPLAYS AND SETTING DATA
Display Item Contents Initial
value User
level Remarks
Output operation at
changing Auto/Manual 0: Bumpless transfer
1: Preset 0 1 Displayed when the control
method is other than the
ON/OFF control (CtrL≠0).
When the operation mode is
the MANUAL mode at power
ON, the preset MANUAL
value (C20) becomes the
Manipulated Variable (MV).
Preset MANUAL
value -10.0 to +110.0% 0.0 or
50.0
1
Initial output type
(mode) of PID control 0: Auto
1: Not initialized.
2: Initialized (If SP value different
from the current value is input.)
0 2
Initial output of PID
control -10.0 to +110.0% 0.0 or
50.0
2
Heat/Cool control 0: Not used.
1: Used. 0 0 Displayed when the control
method is other than the
ON/OFF control (CtrL≠0).
When set at “1”, the control
action is set to the reverse
action (C14 = 0), the preset
MANUAL value (C20) is set
to “50.0”, and the initial
output of the PID control
(C22) is changed to “50.0”.
Heat/Cool selection 0: Normal
1: Energy saving 0 1
Heat/Cool control
dead zone -100.0 to +100.0% 0.0 0
Heat/Cool control
change point -10.0 to +110.0% 50.0 2
LSP system group 1 to 4 1 0
SP ramp unit 0: 0.1U/s
1: 0.1U/min
2: 0.1U/h 1 2 "0.1U" shows that the
decimal point position of the
PV is shifted one digit
rightward.
Displayed when the
Heat/Cool control is used
(C26 = 1).
CT1 operation type 0: Heater burnout detection
1: Current value measurement 0 0 Displayed when the optional
model has two current
transformer input points.
CT1 output 0: Control output 1
1: Control output 2
2: Event output 1
3: Event output 2
4: Event output 3 0 0 Displayed when the optional
model has two current
transformer input points and
the CT1 operation type is set
at "heater burnout detection"
(C36 = 0).
CT1 measurement
wait time 30 to 300ms 30 0
CT2 operation type Same as CT1 0 0 Displayed when the optional
model has two current
transformer input points.
CT2 output Same as CT1 0 0 Displayed when the optional
model has two current
transformer input points and
the CT2 operation type is set
at "heater burnout detection"
(C39 = 0).
CT2 measurement
wait time Same as CT1 30 0