Honeywell UDC2800 User Manual

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Lower Display Description
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In the Algorithms set up group, configure Control Algorithm as
ANY algorithm except Disable.
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In the Control set up group, configure Remote SP Source as ANY
selection except Disable.
CSP XXXX.XXX Computer Setpoint—When SP is in override.
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In the Algorithms set up group, configure Control Algorithm as
ANY algorithm except Disable.
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In the Communication set up group, enable Shed Function. And
CSP is successfully override by SP override through Modbus.
SPN XXXX.XXX Setpoint Now—Current Setpoint when SP Rate is enabled.The SP
XXXX.XXX display shows the “target” or final setpoint value.
SPN is not equal with the target SP.
DEV XXX.X Deviation
1IN XXXX.XXX Input 1—Used only with combinational input algorithms.
2IN XXXX.XXX Input 2
PID Set X Tuning Parameter —where X is either 1, 2, 3 or 4.
BIAS XXXX BIAS—Displays the manual reset value for algorithm PD+MR.
AUX XXX.X Auxiliary Output—Displayed only when output algorithm is not
Current Duplex.
TEL O XXH: XXM
or,
TEL O XXM: XXS
Elapsed Time—Time that has elapsed on the Timer in
Hours.Minutes, or Minutes:Seconds.
The "O‘ is a clockwise running clock.
TRE O XXH: XXM
or,
TRE O XXM: XXS
Time Remaining—Time remaining on the Timer in Hours.Minutes,
or Minutes:Seconds.
The "O" is a counter-clockwise running clock.
RAMP XXXM: XXS Setpoint Ramp Time—Time remaining in the Setpoint Ramp in
minutes.
PXSX RA
XXH:XXM:XXS
Program X(1-8) Segment X(1-8) Ramp XXH:XXM:XXS remaining
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