Cascade control (program control) – Yokogawa Data Acquisition with PID Control CX2000 User Manual
Page 412
App-43
IM 04L31A01-01E
Appendix
App
Cascade Control (Program Control)
Local
Program
Program operation
Hold operation start
Advance operation start
Contact input
Contact input
PV event output
Time event output
Measurement alarm function
DI
DI
DI
DI
DI
DI
Program operation stop
Program operation start
Control computation section 1
SP ramp-rate setting
Secondary loop
SP 1 to 8
Primary loop
SP 1 to 8
Control computation section 2
Manual operation
Preset output
Current or
pulse
Relay
Run
Auto, cascade
Auto, manual
Manual
Stop
Stop/Run switching
Auto/Manual, cascade switching
Cascade switching
Cascade
Tracking signal
Output limiter
Control output
Program pattern selection
DO
DO
DO
DO
DO
DO
Note: Does not function
during program control
Primary loop
PV input
Secondary loop
PV input
Input type selection
Unit selection
Analog input range conversion
Square root computation
Ten-segment linearizer approximation/
ten-segment linearizer bias
PV input bias
PV input filter
Input type selection
Unit selection
Analog input range conversion
Square root computation
Ten-segment linearizer approximation/
ten-segment linearizer bias
PV input bias
PV input filter
Expansion
contact
input
Time
event
1
Time
event
2
Meas.
alarm
1
Meas.
alarm
2
PV
event
1
PV
event
2
Note: There are 6 contact input terminals and
6 contact output terminals on a single
control output terminal block.
The functions that can be assigned to
each input/output terminal vary depending
on the control mode and whether program
operation is enabled.
Appendix 7 Control Functon Blodk Diagram