Function Parameter Reference Guide
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UDC2300 Controller Product Manual
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12.2.7 ALHYST
(ALARM HYSTERESIS)
This prompt is part of the Alarms Set up group.
A single adjustable hysteresis is provided on alarms such that when the alarm is OFF it
activates at exactly the alarm setpoint; when the alarm is ON, it will not deactivate until
the variable is 0.0 % to 100 % away from the alarm setpoint.
Configure the hysteresis of the alarms based on INPUT signals as a % of input range
span.
Configure the hysteresis of the alarm based on OUTPUT signals as a % of the full scale
output range.
Range of Setting: 0.0 to 100.0 % of span or full output as appropriate
12.2.8 AT
ERR
(ACCUTUNE ERROR CODES)
This prompt is part of the ATUNE Set up group.
ACCUTUNE ERROR STATUS—When an error is detected in the Accutune process, an
error prompt will appear.
Selections
Definitions
RUN
RUNNING—An Accutune process is still active checking process gain,
even though “TUNE” is not displayed. It does not affect keyboard operation.
NONE
NONE—No errors occurred during last Accutune procedure.
IDFL
IDENTIFICATION PROCESS FAILED—An illegal value for Gain,
Rate, or Reset was calculated.
ABRT
CURRENT ACCUTUNE PROCESS ABORTED—Caused by one of the
following conditions:
• changing to manual mode
• digital input detected
• in heat region of output but a cool output is calculated, or vice versa.
12.2.9 AUTOMA
(AUTO/MANUAL KEY LOCKOUT)
This prompt is part of the Tuning Set up group.
This selection allows you to disable/enable the
AUTO/MANUAL
key.
“LOCK” must be set to “None” for the prompt to the displayed.
Selections
Definitions
DIS
Disable the
AUTO/MANUAL
key
ENAB
Enables the
AUTO/MANUAL
key
Summary of Contents for UDC 2300
Page 1: ...UDC2300 Universal Digital Controller Product Manual 51 52 25 98 12 00 ...
Page 30: ...Installation 20 UDC2300 Controller Product Manual 12 00 ...
Page 62: ...Monitoring 52 UDC2300 Controller Product Manual 12 00 ...
Page 80: ...Operation 70 UDC2300 Controller Product Manual 12 00 ...
Page 92: ...Setpoint Rate Ramp Program Operation 82 UDC2300 Controller Product Manual 12 00 ...
Page 124: ...Troubleshooting Service 114 UDC2300 Controller Product Manual 12 00 ...
Page 170: ...Function Parameter Reference Guide 160 UDC2300 Controller Product Manual 12 00 ...
Page 176: ...Index 166 UDC2300 Controller Product Manual 12 00 ...
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