Honeywell UDC2800 User Manual

CHAPTER
5
MONITORING AND OPERATING THE
CONTROLLER
What's in this section?
The following topics are covered in this section.
In this section:
Overview 175
Operator Interface 175
Entering a Security Code 176
Lockout Feature 177
Monitoring Your Controller 178
Start Up Procedure for Operation 183
Control Modes 184
Setpoints 186
Timer 188
Accutune III 189
Fuzzy Overshoot Suppression 197
Using Four Sets of Tuning Constants 198
Auto/Manual Station 201
Alarm Setpoints 207
Three Position Step Control Algorithm 209
Setting a Failsafe Output Value for Restart After a Power Loss 210
Setting Failsafe Mode 211
Setpoint Rate/Ramp/Program 212
174

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