Honeywell UDC3500 - Page 188

Configuration
172 UDC3500 Universal Digital Controller Product Manual 3/07
Function Prompt
Lower Display
Selections or
Range of Setting
Upper Display
Parameter
Definition
NoLATCH
LATCH
NoLATCH —Non-latching
LATCH—Latching
ATTENTION When configured for latching, the
alarm will stay active after the alarm condition ends
until the
Run/Hold key is pressed.
BLOCK ALARM BLOCKING—Prevents nuisance alarms
when the controller is first powered up. The alarm is
suppressed until the parameter gets to the non-
alarm limit or band. Alarm blocking affects both
alarm setpoints.
DISABLE
ALARM 1
ALARM 2
ALARM 3
ALARM 4
ALARM12
ALARM123
ALRM1234
DISABLE—Disables blocking
ALARM 1—Blocks alarm 1 only
ALARM 2—Blocks alarm 2 only
ALARM 3—Blocks alarm 3 only
ALARM 4—Blocks alarm 4 only
ALARM 1 & 2—Blocks alarm 1 and 2 only
ALARM 1, 2 & 3—Blocks alarm 1, 2 and 3 only
ALARM 1, 2, 3 & 4—Blocks all alarms
ATTENTION When enabled on power up or initial
enabling via configuration, the alarm will not activate
unless the parameter being monitored has not been
in an alarm condition for a minimum of one control
cycle (167 ms).
DIAGNOST DIAGNOSTIC ALARM—Monitors all Current
Outputs configured for 4-20mA operation for an
open circuit condition. If any of these outputs falls
below about 3.5 mA, then an Alarm is activated. This
configuration is in addition to whatever was selected
for AxSxTYPE.
DISABLE
ALARM 1
ALARM 2
ALARM 3
ALARM 4
DISWARN
DISABLE—Disables Diagnostic Alarm
ALARM 1—Alarm 1 is diagnostic alarm
ALARM 2—Alarm 2 is diagnostic alarm
ALARM 3—Alarm 3 is diagnostic alarm
ALARM 4—Alarm 4 is diagnostic alarm
DISABLE WARNING—Disables Output Fail
messages on lower display
ALRM MSG
DISABLE
ENABLE
ALARM MESSAGE—When enabled, a diagnostic
message will appear on the lower display whenever
an alarm is active. This message can be disabled by
pressing the RUN/HOLD
key, similar to other
diagnostic messages. See Section 7.5 for
messages.