Configuration
12/00 UDC2300 Controller Product Manual 27
4.5 Tuning Set Up Group
Introduction
Tuning consists of establishing the appropriate values for the tuning constants you are
using so that your controller responds correctly to changes in process variable and
setpoint. You can start with predetermined values but you will have to watch the system
to see how to modify them. The Accutune feature automatically selects Gain, Rate, and
Reset on demand.
ATTENTION
Because this group contains functions that have to do with security and lockout, we recommend
that you configure this group last, after all other configuration data has been loaded.
Function Prompts
Table 4-4 TUNING Group (Numeric Code 200) Function Prompts
Prompt Selection or Range of Setting
English Numeric
Code
Description
Numeric
Code
English
Factory
Setting
Reference
Guide
Page
PB or GAIN 201
Proportional
Band or Gain
PB = 0.1 to 1000 %
Gain = 0.01 to 1000
1.0 143
RATE T 202
Rate in Minutes 0.00 to 10.00 minutes
0.08 or less = OFF
0.00 148
I MIN
or
I RPM
203
Reset in
minutes/repeat
Reset in
repeats/minute
0.02 to 50.00
0.02 to 50.00
1.0
1.0
136
MANRST 204
Manual Reset -100 to 100 % Output 0.0 142
PB 2 or
GAIN 2
205
Proportional
Band 2 or Gain 2
PB = 0.1 to 1000 %
Gain = 0.01 to 1000
1.0 144
RATE2T 206
Rate 2 in
Minutes
0.00 to 10.00 minutes
0.08 or less = OFF
0.00 148
I2 MIN
or
I2 RPM
207
Reset in
minutes/repeat
Reset in
repeats/minute
0.02 to 50.00
0.02 to 50.00
1.0
1.0
136
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