Honeywell UDC2800 User Manual

184
Step Operation Press Result
Refer to Tuning Set Up group to ensure
that the selections for Proportional Band
or Gain, Rate Min, and Reset Mins/Rpt, or
Reset Rpts/Min have been entered.
Use Accutune to tune the controller. See
Accutune III for more information.
Use Accutune to tune the controller. See
"Accutune III" in UDC2800 Product
Manual.
Control Modes
Mode Definitions
Table 5-3: Control Mode Definitions
Control
Mode
Definitions
AUTOMATIC
with LOCAL
SETPOINT
In automatic local mode, the controller operates from the local
setpoints and automatically adjusts the output to maintain the PV at
the desired value.
In this mode you can adjust the setpoint.
See Setpoints for more information.
AUTOMATIC
with REMOTE
SETPOINT
(optional)
In automatic remote mode, the controller operates from the setpoint
measured at the remote setpoint input. Adjustments are available to
ratio this input and add a constant bias before it is applied to the
control equation .
See Input 1 Set Up Group for more information.
See Input 2 Set Up Group for more information.
MANUAL
(optional)
In the manual mode, the operator directly controls the controller output
level. The process variable and the percent output are displayed. The
configured High and Low Output Limits are disregarded and the
operator can change the output value, using the increment and
decrement keys, to the limits allowed by the output type (0% to 100%
for a time proportioning output or –5 % to 105 % for a current output).
Chapter 5 - Monitoring and Operating the Controller

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