11
Pin no.
Function
OFF
ON
6
Loop 2
Input approximation
Straight line
Square root
approximation
5
Loop 1
Input approximation
Straight line
Square root
approximation
4
Loop 2
Enabled
Disabled or not used
3
SP write mode
EEPROM and RAM
RAM
2
Control action
Reverse
Normal
1
Control method
PID control
ON/OFF control
The switch is factory-set to OFF.
Input Approximation
Set each loop to either straight line (no approximation) or square root approxi-
mation.
Loop 2
Set to “enabled” to use input loop 2, or to “disabled” to use only input loop 1. It is
not possible to use only input loop 2.
Note Always set this switch to the ON (disabled) position when input loop 2 is not
used. A sensor error occurs if this switch is set to the OFF (enabled) position
when no temperature sensor is connected to loop 2.
SP Write Mode
This setting selects the SP storage memory. Set it to ON or use RAM Write com-
mands if the writing is to be frequently changed.
Display Units
Selects whether setting and SVs displayed on the Data Setting Console are in
Celsius or Fahrenheit.
Control Action
Reverse:
The output is increased when the measured temperature is below the SP (i.e., a
negative temperature difference).
Normal:
The output is increased when the measured temperature is above the SP (i.e., a
positive temperature difference).
Control Method
Selects the method of control.
Switch Settings
