Honeywell UDC2800 User Manual

Function
Prompt
Selections or
Range of Setting
Parameter Definition
Disable The current SetPoint is used to derive a single set
of blended tuning parameters. This tuning is
performed over the range of the output limits
similar to Simplex Tuning. The Tuning Parameters
derived are placed into both the HEAT and COOL
tune sets (PID 1 and PID 2).
Error Status
(Read Only)
Accutune Error Status —When an error is detected
in the Accutune process, an error prompt will
appear.
None No errors occurred during last Accutune
procedure.
Running An Accutune process is still active checking
process gain, even though “T” is not lit. It does not
affect keyboard operation.
Abort Current Accutune Process Aborted —Caused by
one of the following conditions:
l
changing to manual mode
l
digital input detected
l
in heat region of output but a cool output
was calculated, or vice versa.
SP Error LSP2 not configured or a Setpoint other than
LSP1 or LSP2 is in use.
93
Chapter 4 - Configuration

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