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Chapter 5. FUNCTIONS
5 - 4
Controller and Programmer
●
Programmer
When the DCP32 is used as a programmer, PID control operation is not carried
out, and the SP is output in the scaled 4 to 20 mA range.
In the MANUAL mode, the SP can be incremented or decremented in the basic
display state by the console keys.
You can also select use of the DCP32 as a programmer on either just one of
channels CH1 and CH2 or both channels.
DCP32
Channel 1 controller or Channel 2 controller
Controlled system 1
MV1
PV1
PV2
MV2
Controlled system 2
On the current output channels except heat/cool, you can choose between use of the DCP32 as a controller or a
programmer. Set this in setup data
C18
or
C41
.
You can also choose between controller or programmer functions even if the DCP32 is used for program operation
or constant-value operation.
Channels on other output models are limited to use as a controller at all times.
●
Controller
When the DCP32 is used as a controller, PID control operation is carried out
according to PV, SP and PID setting values, and the resulting manipulated
variable (MV) is output as an analog output.
Heat/cool PID control and 3-position-proportional is also possible instead of PID
control depending on the type of output supported by the DCP32 model.
In the MANUAL mode, the MV can be incremented or decremented in the basic
display state by the console keys.
SDC series
controller
4 to 20 mA
DCP32
Channel 1 programmer or Channel 2 controller
Controlled system
MV
SP output
RSP input
PV
PV
PV
PV1
PV2
MV2
Controlled system
SDC series
controller
Controlled system
MV
SDC series
controller
Controlled system
MV
Handling Precautions
If setup data
C41 has been set to 2 (SPw programmer) on CH2 on a
temperature/humidity operation model, set variable parameter 2
CH.2 to 2
(PVw + SPw additional display) to increment or decrement SPw in the
MANUAL mode.
5-17