Honeywell UDC2800 User Manual

Output Algorithm
Type
Output 1/2
Option
Function of
Output 1/2
Function of Other Outputs
Output #3 Output #4
Auxiliary
Output
100%
Current = COOL
and HEAT
Relay and 2
Current
Output
Outputs 1
and 2
Alarm 2 Alarm 1 Not Needed
Dual Relay INU Alarm 2 Alarm 1 Outputs 1
and 2
Current Duplex
50%
Current = HEAT
Aux Out = COOL
Single
Relay
N/A N/A N/A N/A
Current
Output
Output 1 Alarm 2 Alarm 1 Output 2
Dual Relay N/A N/A N/A N/A
Current/Time
Current = COOL
Time = HEAT
Single
Relay ¹
Output 1 Output 2 Alarm 1 Output 2
Single
Relay
Output 1 Alarm 2 Alarm 1 Output 2
Current
Output
Output 2 Output 1 Alarm 1 Not Needed
Dual Relay ¹ Outputs 1
& 2
Alarm 2 Alarm 1 Output 2
Dual Relay Outputs 1 Alarm 2 Alarm 1 Output 2
Time/Current
Time = COOL
Current = HEAT
Single
Relay ¹
Output 1 Output 2 Alarm 1 Output 1
Single
Relay
Output 2 Alarm 2 Alarm 1 Output 1
Current
Output
Output 1 Output 2 Alarm 1 Not Needed
Dual Relay ¹ Outputs 1
& 2
Alarm 2 Alarm 1 Output 1
Dual Relay Outputs 2 Alarm 2 Alarm 1 Output 1
TPSC = Three Position Step Control
N/A = Not A vailable – This output algorithm type cannot be performed with this
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Chapter 3 - Installation

Honeywell UDC2800 Specifications

General

Control Modes	PID, ON/OFF, Manual
Mounting	Panel Mount
Display	Dual 4-digit LED
Input Types	Thermocouple, RTD, mA, mV, V
Output Types	Relay
Power Supply	100-240 VAC, 50/60 Hz
Communication	RS-485 Modbus RTU
Enclosure Rating	NEMA 4X