UDC2800 Universal Digital Limit Controller Quick Start Guide
Step Operation Press Result
3 Enter the Local Setpoint Lower Display key
Until the required "SP" and the Local Setpoint Value are displayed.
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.
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.
Setpoints
You can configure the following setpoints for the UDC2800 controller.
• A Single Local Setpoint
Changing the Setpoint value
Step Operation Press Result
1
Select the Setpoint Low Display key
Until you see:
Lower Display = SP
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.
51-52-25-166, Revision 1.0
November 2022
Lower Display Description
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.
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.
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.
Notices
For support, contact your local Honeywell Process Solutions Customer Contact Center (CCC). To find your local CCC visit the website,
https://www.honeywellprocess.com/en-US/contactus/customer-support-contacts/Pages/default.aspx.
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