Omron E5AC-T User Manual page 309

6 Parameters
*.ofr
• These parameters set the required manipulated variable to remove the offset during
settling in P or PD control for each PID set number.
Function
Setting
Related Parameters
See
See
Integral Time (Adjustment Level): Page 6-36
PID ON/OFF (Initial Setting Level): Page 6-63
*.olh
*.oll
These parameters set the MV upper and lower limits for each PID set.
• The MV Upper Limit and MV Lower Limit parameters set the upper and lower limits of the
manipulated variable. When the calculated manipulated variable exceeds the upper or
lower limit value, the upper or lower limit value will be the output level.
Function
• MV limits do not operate when floating control is used with models that support posi-
tion-proportional control, so these parameters are disabled.
• MV Upper Limit
The setting range depends on whether standard, position-proportional (closed) control, or
heating/cooling control is used. In addition, the cooling MV during heating/cooling control
Setting
is expressed as a negative value.
Standard
Position proportional (closed)
Heating/cooling
• MV Lower Limit
The setting range depends on whether standard, position-proportional (closed) control, or
heating/cooling control is used. In addition, the cooling MV during heating/cooling control
is expressed as a negative value.
Standard
Position proportional (closed)
Heating/cooling
Related Parameters
See
See
PID ON/OFF (Initial Setting Level): Page 6-63
Close/Floating (Initial Setting Level): Page 6-75
6 - 48
PID * Manual Reset Value
(*: 1 to 8)
Setting range
0.0 to 100.0
PID * MV Upper Limit
PID * MV Lower Limit
(*: 1 to 8)
Control method
Control method
The control method must be set to standard control
and 2-PID control and the integral time must be set
to 0.
Unit Default
% 50.0
2-PID control must be used.
Closed control must be used (for position
proportional models).
Setting range
MV lower limit + 0.1 to 105.0
0.0 to 105.0
Setting range
−5.0 to MV upper limit − 0.1
−105.0 to 0.0
E5@C-T Digital Temperature Controllers User's Manual (H185)
Unit Default
% 100.0
Unit Default
0.0
%
−100.0