Honeywell UDC2800 Universal Digital Controller User Guide
- June 9, 2024
- Honeywell
Table of Contents
UDC2800 Universal Digital Controller
User Guide
Getting started
When start up the controller for the first time, it is required to enter the initial password and a new password. The initial password is 1234.
Overview
This document is a quick start guide for UDC2800 controller. For detailed
instructions, see UDC2800 Product Manual.
To Download the Product Manual:
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In a web browser, enter https://process.honeywell.com/us/en/support/product-documents-downloads, and login.
If you are a new user, register at this website first. -
In the Search box, enter UDC2800 Product Manual (#51-52-25-157), and click the Search icon.
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Select DOCUMENT TYPE & PRODUCT filters, if required. The All search Results page appears with the search results.
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Click the package to download it.
Model Number Interpretation
Write your controller’s model number in the spaces provided below and circle
the corresponding items in each table. This information will also
be useful when you wire your controller.
- Select the desired Key Number. The arrow to the right marks the selection available.
- Make the desired selections from Table I to Table VI. A dot ‘·’ denotes availability.
Dimensions and Mounting
Wiring
Attention: It is recommended to set up an uninterrupted power supply to avoid fluctuations on the device power line, as such fluctuations may cause device availability issues.
Configuration Procedure
| Step | Operation | Press | Result |
|---|---|---|---|
| Enter Set Up Mode | Setup key | Enter in the first set up group. Security. | |
| 2 | Select any Set Up group | Setup key or Increment | |
| or Decrement keys | Sequentially displays the other set up groups shown in the |
prompt hierarchy. See Configuration Record Sheet for prompts.
You can also use the Increment or Decrement keys to scan the set up groups in
both directions. Stop at the set up group tile that describes the group of
parameters you want to configure. Then proceed to the next step.
3| Select a Function
parameter| Function key| Enter in the first function prompt of the selected
set up group.
Increment or
Decrement keys| Press Increment or Decrement keys to display the other
function prompts of the selected set up group. Stop at the function prompt
that you want to change.
4| Change the Value or
Selection| Function key| Enter in the value or selection of the selected
function prompt.
Increment or
Decrement keys| Increment or decrement the value or selection that appears for
the selected function prompt
You can press the Increment and Decrement keys at the same time to move the
current editable digit one step left.
| Enter the Value or
Selection| Function key| Enter value or selection made into memory.
6| Exit Configuration| Lower Display key| Exit the set up mode and returns to
the main screen.
Configuration Record Sheet
Enter the value or selection for each prompt on this sheet so you will have a record of how your controller was configured.
Group Prompt
| Function Prompt| Value or
Selection| Factory
Setting| Group Prompt| Function Prompt| Value or
Selection|
Factory Setting
---|---|---|---|---|---|---|---
Security| Password Lockout Auto/Man Key Run/Hold Key SP Select Key Restore
Settings Restore*
Change Password
| ――――
――――
――――
――――
――――
――――
――――
――――| 0
Calibration Enable Enable Enable Disable Disable
– –
| Accutune| Fuzzy Suppression Accutune
Duplex Output Error Status
| ――――
――――
――――
Read only
| Disable Disable Manual None
Tuning| Proportional Band 1 or Gain 1 or Rate Min
Reset Mins/Rpt 1 or
Reset Rpts/Min 1 Manual Reset Proportional Band 2 or Gain 2
Rate 2 Min
Reset Mins/Rpt 2 or Reset Rpts/Min 2
Proportional Band 3 or Gain 3
Rate 3 Min
Reset Mins/Rpt 3 or Reset Rpts/Min 3
Proportional Band 4 or
Gain 4
Rate 4 Min
Reset Mins/Rpt 4 or Reset Rpts/Min 4 Cycle Time 1 Sec
Cycle Time 2 Sec| ――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
――――|
1.000
0.00
– – 0
1.000
0.00
1.00
1.000
0.00
1.0
1.000
0.00
1.00
– – 20
20
| SP
Ramp/Program
| SP Ramp Function Ramp Time Min Ramp Final SP
SP Rate Function Rate Up EU/HRr Rate Down EU/Hr
SP Program Function Soak Deviation Program Termination Program End State Key Reset/Rerun
Hot Start
| ――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
――――
| Disable 3
1000
Disable 0
0
Disable 0
Last SP
Disable
Disable
Disable
Start Up Procedure for Operation
It is required to enter the initial password and a new password when start up
the controller for the first time. The initial password is 1234.
For more information of interface displays, see “Function of displays“ in
UDC2800 Product Manual.
| Step | Operation | Press | Result |
|---|---|---|---|
| 1 | Select Manual Mode | Man Auto key | Until ‘Manual’ is displayed under MODE. |
The controller is in manual mode.
2| Adjust the Output| Increment or
Decrement keys| Lower Display = OUT and the output value in Wo.
To adjust the output value and ensure that the final control element is
functioning correctly.
3| Enter the Local Setpoint| Lower Display key| Until the required ‘SP’ and
the Local Setpoint Value are displayed.
4| | Increment or
Decrement keys| To adjust the local setpoint to the value at which you want
the process variable maintained.
Attention: The local setpoint 1 cannot be changed if the Setpoint Ramp
function is running.
5| Select Automatic Mode| Man Auto key| Until ‘Auto’ is displayed under MODE.
The controller is in Automatic mode.
The controller will automatically adjust the output to maintain the process
variable at setpoint.
6| Tune the Controller| Setup key| Make sure the controller has been
configured properly and all the values and selections have been recorded on
the Configuration Record Sheet.
Refer to Tuning Set Up group to ensure that the selections for Proportional
Band or Gain, Rate Min, and Reset Mins/Rpt, or Reset Rpts/Min have been
entered.
Use Accutune to tune the controller. See ‘Accutune III’ in UDC2800 Product
Manual.
Setpoints
You can configure the following setpoints for the UDC2800 controller.
- A Single Local Setpoint
- 2 Local Setpoints
- 3 Local Setpoints
- 4 Local Setpoints
- Up to 4 Local Setpoints and 1 Remote Setpoint
Changing the Setpoint value
| Step | Operation | Press | Result |
|---|---|---|---|
| 1 | Select the Setpoint | Low Display key | Until you see: |
Lower Display = SP or 2SP or 3SP, or 4SP (Value)
2| Adjust the Output| Increment or
Decrement keys| To change the Local Setpoint to the value at which you want
the process maintained. The display -blinks” if you attempt to enter setpoint
values beyond the high and
low limits.
The configured setpoint will be stored immediately.
Switching between Setpoints
You can switch Local and Remote setpoints or between two Local setpoints when
configured.
Attention: The Remote Setpoint value cannot be changed at the keyboard.
To switch between Setpoints
Press the Function key to switch the four Local Setpoints and/or the Remote
Setpoint.
Attention: “KEY ERROR” appears if:
- the remote setpoint or additional local setpoints are not configured as a setpoint source.
- you attempt to change the setpoint while a setpoint ramp/program is running.
- you attempt to change the setpoint with the setpoint select function key disabled.
- while a setpoint ramp/program is not terminated.
Viewing the operating parameters
Under the main screen, press the Lower Display key to scroll through the operating parameters listed in table below. The lower display will show only those parameters and their values that apply to your specific model.
| Lower Display | Description |
|---|---|
| OUT XXX.X | Output value is shown in percent with one decimal point when |
Control Algorithm is NOT configured as Three Position Step
Control (TPSC), and Slidewire is connected.
OUT XXX| Output value is shown in percent with no decimal point when
Control Algorithm is NOT configured as Three Position Step
Control (TPSC), Output Algorithm is configured as Position
Proportion , and Slidewire fails.
COUT XXX.X| Appears when Shed function is Enabled, and Output Override
register is successful override by Modbus (In Slave Mode) .
EOUT XXX.X| Appears when Shed function is Enabled, and the controller is in
Slave Mode, push A/M key to enter Emergency Mode.
POS XXX| Slidewire Position – Used only with TPSC applications that use a
slidewire input.
SP XXXX.XXX| Local Setpoint #1, appears when Control Algorithm is configured
as ANY algorithm except Disable in the Algorithms set up group.
It also appears for current setpoint when using SP Ramp.
2SP XXXX.XXX| Local Setpoint #2, appears when the following two conditions are
satisfied:
• In the Algorithms set up group, configure Control Algorithm as ANY
algorithm except Disable.
• In the C ont r o l set up group, configure L o
c a l S P S o u rc e as 2/3/4 Local
SPs.
3SP XXXX.XXX| Local Setpoint #3, appears when the following two conditions are
satisfied:
• In the Algorithms set up group, configure Control Algorithm as ANY
algorithm except Disable.
• In the C ont r o l set up group, configure L o
c a l S P S o u rc e as 3/4 Local SPs.
4SP XXXX.XXX| Local Setpoint #4, appears when the following two conditions are
satisfied:
• In the Algorithms set up group, configure Control Algorithm as ANY
algorithm except Disable.
• In the C ont r o l set up group, configure L o
c a l S P S o u rc e as 4 Local SPs.
RSP XXXX.XXX| Remote Setpoint, appears when the following two conditions are
satisfied:
• In the Algorithms set up group, configure Control Algorithm as ANY
algorithm except Disable.
• In the Control set up group, configure Remote SP Source as ANY
selection except Disable.
CSP XXXX.XXX| Computer Setpoint, when SP is in override.
• In the Algorithms set up group, configure Control Algorithm as ANY
algorithm except Disable.
• In the Communication set up group, enable Shed Function. And CSP is
successfully override by SP override through Modbus.
SPN XXXX.XXX| Setpoint Now—Current Setpoint when SP Rate is enabled. The SP
XXXX.XXX display shows the “target” or final setpoint value. SPN is not equal
with the target SP.
DEV XXX.X| Deviation
1 IN XXXX.XXX| Input 1—Used only with combinational input algorithms.
2 IN XXXX.XXX| Input 2
PID Set X| Tuning Parameter, where X is either 1, 2, 3 or 4.
BIAS XXXX| BIAS, displays the manual reset value for algorithm PD+MR.
AUX XXX.X| Auxiliary Output, displayed only when output algorithm is not
Current Duplex.
TEL O XXH: XXM Or TEL O XXM: XXS| Elapsed Time, time that has elapsed on the
Timer in Hours: Minutes, or Minutes: Seconds. The “O‘ is a clockwise running
clock.
TRE O XXH: XXM
Or
TRE O XXM: XXS
| Time Remaining, time remaining on the Timer in Hours: Minutes, or Minutes:
Seconds. The “O” is a counter-clockwise running clock.
RAMP XXXM: XXS| Setpoint Ramp Time—Time remaining in the Setpoint Ramp in
minutes.
PXSX RA XXH:XXM:XXS PXSX RA XXX/M (0~999)
PXSX RA XXX/H (0~999)
| Program X(1-8) Segment X(1-8) Ramp XXH:XXM:XXS remaining X and XX is current
program or segment or time remaining Initial hold states Ramp time should be
remaining time
PXSX SK XXH:XXM:XXS| Program X(1-8) Segment(1-8) Soak XXH:XXM:XXS remaining X
and XX is current program or segment or time remaining Initial hold states
Soak time should be remaining time
Recycle XX| Number of SP Program Recycles Remaining
To Begin| Reset SP Program to Start of First Segment
Rerun| Reset SP Program to Start of Current Segment
ACTU TUNE OFF| Limit Cycle Tuning not Running, appears when Accutune is
enabled but not operating.
ACTU DO SLOW| Limit Cycle Tuning with the objective of producing damped or
Dahlin tuning parameters, depending upon the detected process deadtime. The
tuning parameters calculated by this selection are aimed at reducing PV
overshoot of the SP setting.
ACTU DO FAST| Limit Cycle Tuning with the objective of producing quarter-
damped tuning parameters. This tuning may result in PV overshoot of the SP
setting.
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