Honeywell UDC3500 Product Manual page 175

Function Prompt
Lower Display
BLOCK
DIAGNOST
ALRM MSG
10/05
Selections or
Range of Setting
Upper Display
NoLATCH
LATCH
DISABLE
ALARM 1
ALARM 2
ALARM 3
ALARM 4
ALARM12
ALARM123
ALRM1234
DISABLE
ALARM 1
ALARM 2
ALARM 3
ALARM 4
DISWARN
DISABLE
ENABLE
UDC3500 Universal Digital Controller Product Manual
Parameter
Definition
NoLATCH —Non-latching
LATCH—Latching
ATTENTION When configured for latching, the
alarm will stay active after the alarm condition ends
Run Run Run
Hold Hold Hold
until the key is pressed.
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—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).
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—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
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.
Configuration
161