RKC INSTRUMENT PF900 User Manual

5. OPERATION
5-8 IMR02L04-E3
5.3 Type and Switching Procedures of Operation Mode
5.3.1 Type of Operation mode
PF900/901 offers 4 type of Operation mode. It is possible to switch any type within the Operation mode.
 Reset mode (RESET)
Initializes the program operation and produces the Manipulated output value set at the Reset mode.
Action stop or Action continued for Event or Transmission output may be selected at the Reset mode.
 Program control mode (RUN)
Controls based on the program pattern being set.
 Fixed set point control mode (FIX)
Controls with the Set value (SV) being set at the Fixed set point control mode.
 Manual control mode (MAN)
Set Manipulated output value manually.
5.3.2 Operation mode switching
 Action at Operation mode switching
Refer to the table below for the action at Operation mode switching.
Operation mode before switching
Operation
mode after
switching
Reset mode
(RESET)
Program control mode
(RUN)
1
Fixed set point control
mode (FIX)
Manual control mode
(MAN)
Reset mode
(RESET)
Produces the Manipulated output value set at the Reset mode.
Program
control mode
(RUN)
Action starts based on
the Control computation
result.
Action continues with
the SV in the Program
control mode.
1
Action continues with
Manual manipulated
output value.
(Bumpless transfer
2
)
Fixed set point
control mode
(FIX)
Action continues with
the SV in the Fixed set
point control mode.
Manual
control mode
(MAN)
Action starts with
Manual manipulated
output value (the output
value in the Reset
mode).
Action continues with
Manual manipulated
output value (the last
output value in the
Program control mode).
Action continues with
Manual manipulated
output value (the last
output value in the Fixed
set point control mode).
1
Once Program control mode is restarted, the program state will return as it was before switched to the Fixed set point control mode
(FIX) or the Manual control mode (MAN). If the Program control mode is switched to the RESET mode, program state will be
reset and the operation restarts from the beginning of the program when switching to the Program control mode.
2
When changing to the operation mode with the control action P, PD or ON/OFF, output may bump when using Bumpless switch
(control output does not change rapidly).
Manual control mode
(MAN)
Program control mode
(RUN)
Reset mode
(RESET)
Fixed set point control
mode (FIX)

RKC INSTRUMENT PF900 Specifications

General

Brand	RKC INSTRUMENT
Model	PF900
Category	Controller
Language	English