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UDC2800 Universal Digital Controller Quick Start Guide
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.
Output #1 Current Output (4 to 20 ma, 0 to 20 ma)
Electro Mechanical Relay (5 Amp Form C)
Open Collector transistor output
Dual 2 Amp Relays (Both are Form A) (Heat/Cool Applications)
C _
E _
T _
R _
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•
•
•
•
•
•
•
Output #2 and
Alarm #1 or Alarms
1 and 2
No Additional Outputs or Alarms
One Alarm Relay Only
E-M Relay (5 Amp Form C) Plus Alarm 1 (5 Amp Form C Relay)
Open Collector Plus Alarm 1 (5 Amp Form C Relay)
_ 0
_ B
_ E
_ T
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•
•
•
•
•
•
•
Key Number I II III IV V VI
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_ _ _ _ _ _ _ _ _ _ _ _ _ _
Table I – Specify Control Output and/or Alarms
Table II – Communications and Software
Getting started
Overview
Model Number Interpretation
Dimensions and Mounting
This document is a quick start guide for UDC2800 controller. For detailed instructions, see UDC2800 Product Manual.
To Download the Product Manual:
1. 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.
2. In the Search box, enter UDC2800 Product Manual (#51-52-25-157), and click the Search icon.
3. Select DOCUMENT TYPE & PRODUCT filters, if required. The All search Results page appears with the search results.
4. Click the package to download it.
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.
Key Number – UDC2800 Single Loop Controller
Communications None
Auxiliary Output/Digital Inputs (1 Aux and 1 DI or 2 DI)
RS-485 Modbus Plus Auxiliary Output/Digital Inputs
10/100M Base-T Ethernet (Modbus RTU) Plus Auxiliary
Output/Digital Inputs
0_ _
1_ _
2_ _
3_ _
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•
•
•
•
•
•
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Software Limit Controller
Standard Software
Standard S/W and Setpoint Program
_ L_
_ S _
_ F _
e
•
•
e
•
•
Future options None _ _ 0 • •
Table III – Input 1 can be changed in the field using external resistors
Input 1 TC, RTD, mV, 0-5V, 1-5V, 0-10V
TC, RTU, mV, 0-5V, 1-5V, 0-10V, 0-20mA, 4-20mA
1_ _
2_ _
•
•
•
•
Input 2 None
TC, RTD, mV, 0-5V, 1-5V, 0-10V
TC, RTU, mV, 0-5V, 1-5V, 0-10V, 0-20mA, 4-20mA
Slidewire Input for Position Proportional (Requires 2 Relay Outputs)
Carbon, Oxygen or Dewpoint (Provides 2 Inputs)
_ 00
_ 10
_ 20
_ 40
_ 60
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•
•
a
b
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•
a
b
Table IV – Options
Approvals CE (Standard)
CE, UL and CSA
CE, UL, CSA, FM(Limit Controller)
0_ _
1_ _
2_ _
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•
d
•
•
d
Tags None
Stainless Steel Customer ID Tag – 3 lines w/22 characters/line
_ 0 _
_ T _
•
•
•
•
Future options None _ _ 0 • •
Table IV – Options
Documents Quick Start Guide - English 0_ • •
Certificate None
Certificate of Conformance (F3391)
_ 0
_ C
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•
•
•
Table VI – Extended Warranty
Extended Warranty None
Extended Warranty Additional 1 year
Extended Warranty Additional 2 year
0
1
2
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•
•
•
•
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Wiring
51-52-25-158, Revision 7.0
February 2023
Description Selection Availability
Digital Controller for use with 100 to 240 Vac Power DC2800 ↓
Digital Controller for use with 24 Vac/dc Power DC2900 ↓
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.