8-29
IM 05P02C41-01EN
Control Functions
8.1.5 Loop Control with PV Auto-selector, Heating/cooling Loop Control with
PV Auto-selector, and Position Proportional Loop Control with PV Auto-
selector
Setting Details
Parameter
symbol
Name
Display
level
Setting range
Menu symbol
CTLM
Control mode
STD
SGL: Single-loop control
CAS1: Cascade primary-loop
control
CAS: Cascade control
PVSW: Loop control with PV
switching
PVSEL: Loop control with PV
auto-selector
CTL
CAUTION
• Some parameters will be initialized if the control mode (CTLM) is changed.
• When using the ladder program, the control mode cannot be changed.
Description
These control modes automatically select or calculate the larger, the smaller, the
average, or difference of multiple (two to four) PV inputs for control.
Loop control with PV auto-selector can be used for Standard type or Heating/cooling type
controller.
Heating/cooling loop control with auto-selector can be used for Heating/cooling type
controller.
Position proportional loop control with auto-selector can be used for Position proportional
type controller.
► PID control and Heating/cooling control: 8.2 Setting Control Type (CNT)
Description about Loop control with PV auto-selector
► Input selection: 7.4 Using Larger, Smaller, Average, or Difference of Two to Four Inputs as PV
Up to four 10-segment linearizer approximation/10-segment linearizer biases can be
used for the input unit or output unit.
The Function block diagram describes only the basic functions.
Parameter symbols in the Function block diagram describe representative parameters.
For the functions and parameters which are not described in Function block diagram, see
the following.
► Contact input assignment: 12.1 Setting Contact Input Function
► Contact output assignment: 12.2 Setting Contact Output Function
► Contact output assignment to retransmission output terminal: 10.1 Setting Control Output Type
► Analog output range change: 10.14 Changing Current Output Range
8
8.1 Setting Control Mode (CTLM)
Содержание UTAdvanced UP55A
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