257
Advanced Function Setting Level Section 5-10
â– Related Parameters
Auto/manual switch (operation level): Page 178
This parameter executes robust tuning (RT).
• When AT or ST is executed with RT selected, PID constants are automat-
ically set which make it hard for control performance to degenerate even
when control object characteristics are changed.
• Even when hunting occurs for PID constants when AT or ST is executed
in normal mode, it is less likely to occur when AT or ST is executed in RT
mode.
â– Related Parameters
AT execute/cancel (PID setting level): Page 192
PID * proportional band (PID setting level): Page 217
PID * integral time (PID setting level): Page 217
PID * derivative time (PID setting level): Page 217
PID ON/OFF (initial setting level): Page 228
ST (initial setting level): Page 228
• Set this parameter to use HS alarms.
See
See
rt RT
The control must be set to 2-PID
control.
The input type must be set to tem-
perature input.
Setting range Default
on: RT function OFF, off: RT function ON off
Function
Setting
See
See
hsu HS Alarm Use
Heater burnout, HS alarms, and
heater overcurrent detection must be
supported.
Alarm 1 must be assigned.
Setting range Default
on: Enabled, off: Disabled on
Function
Setting