Honeywell UDC2300 - Page 156

Function Parameter Reference Guide
146 UDC2300 Controller Product Manual 12/00
12.2.69 PIDSET (NUMBER OF TUNING PARAMETER SETS)
This prompt is part of the Control Set up group.
This selection lets you choose one or two sets of tuning constants (gain, rate, and reset).
Selections Definitions
ONE ONE SET ONLY—Only one set of tuning parameters is available.
Configure the values for:
Gain (proportional band),
Rate,
Reset Time, and
Cycle Time (if time proportional is used).
2KBD
TWO SETS KEYBOARD SELECTABLE—Two sets of tuning
parameters can be configured and can be selected at the operator interface or
by using the Digital Inputs.
Press
DISPLAY key until you see PID SET1 or PID SET2 to switch between
sets. Configure the values for:
Gain, Rate, Reset, Cycle Time
Gain #2, Rate #2, Reset #2, Cycle #2 Time
2 PV
TWO SETS PV AUTOMATIC SWITCHOVER—When the process
variable is GREATER than the value set at prompt SW VAL (Switchover
Value), the controller will use Gain, Rate, Reset, and Cycle Time. The
active PID SET can be read in the lower display.
When the process variable is LESS than the value set at prompt SW VAL,
the controller will use Gain #2, Rate #2, Reset #2, and Cycle #2 Time. The
active PID SET can be read in the lower display.
Other prompts affected: SW VAL
2 SP
TWO SETS SP AUTOMATIC SWITCHOVER—When the setpoint is
GREATER than the value set at prompt SW VAL (Switchover Value), the
controller will use Gain, Rate, Reset, and Cycle.
When the setpoint is LESS than the value set at prompt SW VAL, the
controller will use Gain #2, Rate #2, Reset #2, and Cycle #2.
Other prompts affected: SW VAL