Omron E5EN User Manual page 53

J
1 point shift
method
J
2 point shift
method
(1) In the configuration shown in Figure 1, bring the set point to near the
value at which the temperature of the control target is to be con
trolled. Assume that the control target temperature (C) and the con
trol target temperature (B) are matching.
(2) Check the control target temperature (B) and the controller readout
(A). Take the following value as the input shift value, and set the same
numerical values to 
control target temperature (B) controller readout (A)
Figure 2 shows the effect of 1 point temperature input shift.
(3) After setting the input shift values, check controller readout (A) and
control target temperature (B). If they are almost the same, this com
pletes temperature input shift.
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Figure2 1 point Temperature Input Shift
Use 2 point input shift if you want to increase the accuracy of the readout
values across the range of the sensor.
(1) Shift the controller readout by two points, near room temperature
and near the value at which the temperature of the control target is
to be controlled. For this reason, bring the control target temperature
to near room temperature and to near the set point, and check control
target temperature (B) and controller readout (A).
(2) Using equations (1) and (2) calculate the upper and lower limit tem
perature input shift values from the readout and temperature to be
shifted that you obtained in step 1.
Figure 3 shows the effect of shift by 2 point temperature input shift.
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Figure3 2 point Temperature Input Shift
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