Honeywell UDC3500 Product Manual page 150

Configuration
Function Prompt
Lower Display
PID SETS
(continued)
134
Selections or
Range of Setting
Upper Display
2PV SW
2SP SW
4SP SW
UDC3500 Universal Digital Controller Product Manual
Parameter
Definition
TWO SETS PV AUTOMATIC SWITCHOVER—
When the process variable is LESS than the value
set at prompt SW VALUE (Switchover Value), the
controller will use Gain, Rate, and Reset. The active
PID SET can be read in the lower display.
When the process variable is GREATER than the
value set at prompt SW VALUE, the controller will
use Gain #2, Rate #2, and Reset #2. The active PID
SET can be read in the lower display.
ATTENTION Other prompts affected: SW VALUE
Note: This operation is different from other UDC
Controllers.
TWO SETS SP AUTOMATIC SWITCHOVER—
When the setpoint is LESS than the value set at
prompt SW VALUE (Switchover Value), the
controller will use Gain, Rate, and Reset.
When the setpoint is GREATER than the value set
at prompt SW VALUE, the controller will use Gain
#2, Rate #2, and Reset #2.
ATTENTION Other prompts affected: SW VALUE.
Note: This operation is different from other UDC
Controllers.
FOUR SETS SP AUTOMATIC SWITCHOVER—
When the setpoint is LESS than the value set at
prompt SW VALUE (Switchover Value), the
controller will use Gain, Rate, and Reset.
When the setpoint is GREATER than the value set
at prompt SW VALUE, the controller will use Gain
#2, Rate #2, and Reset #2.
Similarly, the controller switches between the other
PID sets based upon the values configured for SW
VAL 2 and SW VAL 3.
ATTENTION Other prompts affected: SW VALUE,
SW VAL 2 and SW VAL 3.
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