UDC2500 Universal Digital Controller

Model Selection Guide with Price Data

Issue 1

Overview

The UDC2500 Universal Digital Controller is a 1/4 DIN Single Loop Controller designed for ease of use, offering powerful features while maintaining the simplicity, flexibility, and industry-standard HMI of its predecessor, the UDC2300.

The controller features a NEMA 4X, IP66 front face and includes a built-in infrared communications port for configuration with a Pocket PC or Laptop. It also supports PC Based Configuration Tools and Ethernet Communications. Optional features include Limit Model availability, Thermocouple Health Monitoring, and Accutune III (Fast/Slow, Heat/Cool).

How to Select a Model

Follow these instructions to select your UDC2500 controller:

Select the desired key number. The arrow indicates the available selection.
Make desired selections from Tables I through V using the column indicated by the proper arrow. A dot (•) denotes availability.

Key Number Structure:

Key Number: [I] - [II] - [III] - [IV] - [V] - [VI]

KEY NUMBER - UDC2500 Single Loop Controller
Description	DC2500	DC2501	If Applicable Stocking P/N
Digital Controller for use with 90 to 264Vac Power	•
Digital Controller for use with 24Vac/dc Power		•

Table I - Specify Control Output and/or Alarms

The UDC2500 offers various options for control output and alarms.

	Selection	Availability DC2500	Availability DC2501	If Applicable Stocking P/N
Output #1	None (Indicator only)	•		0
	Current Output (4 to 20mA, 0 to 20 mA)	•		C
	Electro Mechanical Relay (5 Amp Form C)	•		E
	Solid State Relay (1 Amp)	•		A
	Open Collector transistor output	•		T
	Dual 2 Amp Relays (Both Form A) (Heat/Cool Applications)	•		R
Output #2 and Alarm #1 or Alarms 1 and 2	No Additional Outputs or Alarms	•		0
	One Alarm Relay Only	•		B
	E-M Relay (5 Amp Form C) Plus Alarm 1 (5 Amp Form C)	•		E
Solid State Relay (1 Amp) Plus Alarm 1 (5 Amp Form C)	•		A
Open Collector Plus Alarm 1 (5 Amp Form C)	•		T

Table II - Communications and Software Selections

This table details communication options and software configurations.

	Selection	Availability DC2500	Availability DC2501	If Applicable Stocking P/N
Communications	None	•		0
	Auxiliary Output/Digital Inputs (1 Aux and 1 DI or 2 DI)	•		1
	RS-485 Modbus Plus Auxiliary Output/Digital Inputs	•		2
10 Base-T Ethernet (Modbus RTU) Plus Auxiliary Output/Digital Inputs	•		3
Software Selections	Standard Functions, Single Display	•		0
	Dual Display with Auto/Manual	•		A
	Set Point Programming (12 Segments) Dual Display, Auto/Manual	•		B
	Limit Controller	•		L
Reserved	No Selection	•		0
Reserved				a
Infrared interface	None	•		0
Infrared interface	Infrared Interface Included (Can be used with a Pocket PC)	•		R

Table III - Input 1 Configuration

Input 1 can be changed in the field using external resistors.

	Selection	Availability DC2500	If Applicable Stocking P/N
Input 1	TC, RTD, mV, 0-5V, 1-5V	•	1
	TC, RTD, mV, 0-5V, 1-5V, 0-20mA, 4-20mA	•	2
	TC, RTD, mV, 0-5V, 1-5V, 0-20mA, 4-20mA, 0-10V	•	3
Input 2	None	•	00
Input 2	0-5V, 1-5V, 0-20mA, 4-20mA	•	10

Table IV - Options

This section details various optional features for the UDC2500.

	Selection	Availability DC2500	If Applicable Stocking P/N
Approvals	CE, UL and CSA (Standard)	•	0
	CE, UL, CSA and FM	•	1
	CE Only	•	2
Tags	None	•	0
Tags	Stainless Steel Customer ID Tag (3 lines, 22 chars/line)	•	T
Future Options	None	•	0
Future Options	None	•	0

Table V - Product Manuals

Available product manuals and their corresponding part numbers.

	Selection	Availability DC2500	If Applicable Stocking P/N
Manuals	Product Information on CD - English	•	E
	English (Hard Copy) Manual (51-52-25-127)	•	E
	French (Hard Copy) Manual (51-52-25-127-FR)	•	F
	German (Hard Copy) Manual (51-52-25-127-DE)	•	G
	Italian (Hard Copy) Manual (51-52-25-127-IT)	•	I
	Spanish (Hard Copy) Manual (51-52-25-127-SP)	•	S
Certificate	None	•	0
Certificate	Certificate of Conformance (F3391)	•	C

Table VI

Selection	Availability DC2500	Availability DC2501	If Applicable Stocking P/N
No Selection	None	•		0

Restrictions

Restriction Letters

Restriction Letter	Available Only With (Table, Selection)	Not Available With (Table, Selection)
a	I, A
	I, T
b	II, L

Limit Controller Restrictions/Comments:

FM approved units with communications are limited to read only.
FM approved units are restricted to TC and RTD type inputs.
UL listed for regulatory use only.

Ordering Instructions

These are provided as guidance for ordering:

Part numbers are provided to facilitate Distributor Stock.
Orders may be placed either by model selection or by part number.
Part numbers are shown within the model selection tables to assist with compatibility information.
Orders placed by model selection are systematically protected against incompatibility.
Compatibility assessment is the responsibility of the purchaser for orders placed by part number.
Items labeled as N/A are not available via the stocking program and must be ordered by model selection.

Supplemental Accessories & Kits

This section lists available accessories and kits for the UDC2500 controller.

Description	Part Number	List Price
Bezel Assembly and Bezel Gasket	51453143-501	**
Display/Keyboard (with IR)	51452758-502	**
Dual Display with Auto/Manual	50004634-501	**
SPP (includes Dual Display, Auto/Manual)	50004634-502	**
Power/Output PWA with 2 E-M Relays (90-264 Vac Operation)	51452822-502	**
Power/Output PWA with 2 E-M Relays (24 Vac/dc Operation)	51452822-503	**
Auxiliary Output/Digital Input/RS-422/485 Communications PWA	51452810-501	**
Auxiliary Output/Digital Input/Ethernet Communications PWA	51452816-501	**
MCU/Inputs PWA (with 2nd Input and IR) for Controllers	51452801-503	**
MCU/Inputs PWA (with IR) for Limit Controllers	51452801-504	**
Electro-Mechanical Relay	30755306-501	**
Open Collector Output PWA	30756679-501	**
Solid State Relay	30756725-501	**
Current Output PWA	51452804-501	**
Dual Electromechanical Relay PWA	51452807-501	**
Ethernet Cable Jack Assembly	50002382-501	**
Case Assembly (including Mounting Kit with four brackets)	51452759-501	**
Varistor (MOV) 120 Vac	30732481-501	**
Varistor (MOV) 240 Vac	30732481-502	**
4-20 mA Input Resistor Assembly (250 ohm)	30731996-506	**
0-10 Volt Input Resistor Assembly (100K pair)	30754465-501	**
Mounting Kits (12 Brackets)	51452763-501	**
DIN Adaptor Kit	30755223-003	**
Process Instrument Explorer Software for UDC2500	50001619-001	**
Panel Bracket Kit	50004821-501	**
Configuration Cable Kit (used when IR is not specified)	46188694-501	**
Product Information on CD	51453375-501	**
Quick Start Manual (2 page) Standard & Limit Controller	51-52-25-124	**
Product Manual	51-52-25-127	**
Limit Controller Manual	51-52-25-118	**
Product Manual	51-52-25-127-FR	**
Product Manual	51-52-25-127-DE	**
Product Manual	51-52-25-127-IT	**
Product Manual	51-52-25-127-SP	**

** Consult Honeywell Order Entry Systems for current parts pricing.

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