172-65710M-04 (SC-F71 Parameters/Functions) 23 Dec 2021
284
When executing Autotuning (AT) of the Cascade control, always use “Input
1_
Autotuning (AT)” in the Operation transfer mode.
When executing Autotuning (AT) for the Cascade control, make sure that the
set values (SV) of the Master and the Slave are properly set.
Switching between Cascade and Single
Selection by front key operation
Single control (Master single or Slave single)
Cascade control
Cascade control
Single control (Master single or Slave single)
During the Cascade control mode, the Remote (REM) mode lamp lights on.
[Position of the Remote mode lamp]
The FUNC key may be configured to switch between Cascade control and
Single control. Refer to 10.8 Accessing some functions directly (FUNC key) for
details.
Switching the mode with Digital Input (DI)
To switch the Remote/Local (Cascade control) using the Digital Input (DI), u
se “DI
function selection
” in Function block No. 23 (Engineering mode).
Refer to 5.2 Switching Functions Using Digital Inputs (DI) for the Digital input
(DI) assignment.
R/S
RUN
R/L
SNGL
setting mode
PV/SV monitor
Monitor & SV
R/L
CAS
280
.
Operation transfer mode
Remote/Local
transfer
(2 seconds
or more)
0 0
.
Switch to
Cascade control
MODE
RUN/STOP
transfer
MODE
or
MODE
+
setting mode
PV/SV monitor
Monitor & SV
280
.
0 0
.
(Several
times)
Master side Measured value (PV)
Master side Set value (SV)
R/L
CAS
R/L
SNGL
Remote/Local transfer
Remote (REM)
mode lamp
Содержание SC-F71
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