Honeywell UDC2800 User Manual

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4. Time Duplex with no alarm relay(s);
5. Three Position Step Control with no alarm relays.
These selections may all be made via the keyboard and by wiring
to the appropriate output terminals; there are no internal jumpers
or switches to change. This flexibility allows a customer to stock a
single instrument which is able to handle a variety of applications.
Table below shows what control types and alarms are available based
upon the installed outputs. In this table, when Duplex Control and
Reverse Action are configured, “Output 1” is HEAT while “Output 2” is
COOL. When Three Position Step Control is configured, “Output 1” is
OPEN while “Output 2” is CLOSE. The Output 1/2 option “Single
Relay” can be any of the following selections: Electro-Mechanical
Relay or Open Collector Output.
Table 3-6: Universal Output Functionality and Restrictions
Output Algorithm
Type
Output 1/2
Option
Function of
Output 1/2
Function of Other Outputs
Output #3 Output #4
Auxiliary
Output
Time Simplex Single
Relay
Output 1 Alarm 2 Alarm 1 Not Needed
Current
Output
INU Output 1 Alarm 1 Not Needed
Dual Relay Output 1 Alarm 2 Alarm 1 Not Needed
Time Duplex or
TPSC or Position
Proportional
Single
Relay
Output 1 Output 2 Alarm 1 Not Needed
Current
Output
INU Output 2 Output 1 Not Needed
Dual Relay Outputs 1
and 2
Alarm 2 Alarm 1 Not Needed
Current Simplex Single
Relay
INU Alarm 2 Alarm 1 Output 1
Current
Output
Output 1 Alarm 2 Alarm 1 Not Needed
Dual Relay INU Alarm 2 Alarm 1 Output 1
Current Dup. Single INU Alarm 2 Alarm 1 Outputs 1
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