Omron E5AR - MANUAL 2 User Manual page 28

● Control mode
1-input
Control mode
type
IN1
Standard control
IN1
Heating/cooling
control
Standard control
–
with remote SP
Heating/cooling
–
control with
remote SP
–
Ratio control
Cascade standard
–
control
Cascade heating/
–
cooling control
1.3 Input/output Configuration and Main Functions
The type of control performed by each controller is selected by setting
the control mode. Setting the control mode sets default values for the
output assignments required for the control.
After setting the control mode, specify direct / reverse operation for
each channel.
Standard type
Control modes that can be selected vary depending on the number
of input points.
4-input
2-input type
type
IN1
IN2
IN1
IN2
IN1
IN2: Remote SP
IN1
IN2: Remote SP
IN1
IN2: Ratio setting
IN1: Primary loop
IN2: Secondary loop
IN1: Primary loop
IN2: Secondary loop
Direct/Reverse
operation
Direct
operation
(cooling)
Reverse
operation
(heating)
• When pulse output is used, the control period must be set for each
channel.
Out- Control / Transfer output
put
IN1 OUT1 Channel 1 control output (heating side)
IN2 OUT2 Channel 2 control output (heating side)
IN3 OUT3 Channel 3 control output (heating side)
IN4 OUT4 Channel 4 control output (heating side)
OUT1 Channel 1 control output (heating side)
IN1
OUT2 Channel 1 control output (cooling side)
OUT3 Channel 2 control output (heating side)
IN2
OUT4 Channel 1 control output (cooling side)
– OUT1 Channel 1 control output (heating side)
OUT1 Channel 1 control output (heating side)
–
OUT2 Channel 1 control output (cooling side)
–
OUT1 Channel 1 control output (heating side)
–
OUT1 Channel 2 control output (heating side)
OUT1 Channel 1 control output (heating side)
–
OUT2 Channel 1 control output (cooling side)
Description
Control whereby the MV is increased as the
present value increases
(When the present value (PV) is higher than the
set point (SP), the MV is increased in proportion
to the difference between the PV and the SP.)
Control whereby the MV is decreased as the
present value increases
(When the present value (PV) is lower than the
set point (SP), the MV is increased in proportion
to the difference between the PV and the SP.)
assignment
1-9