Table 2-4 Analog Alarm Configuration Parameters - Honeywell UMC800 Reference Manual

2.6 ALM Function Block,
Configuration Parameters, continued
Properties Group
Block Order
Alarm Setpoint TYPE
Hysteresis
Local
Setpoint
Output LATCH
ON DELAY
3/99
continued

Table 2-4 Analog Alarm Configuration Parameters

Parameter Index#
N/A
N/A
4
0
1
3
6
Function Block Reference Guide
Parameter Description
Execution Order for Block
Alarm Action Type
Hysteresis in engineering
units can be set from 0 to the
input span monitored
variable.
Local Setpoint value in
engineering units or a
calculation from another
function block via RSP
(see "Use RSP Input")
Remote Setpoint selection
ON latches the alarm output
until acknowledged.
To acknowledge an alarm, it
must be tagged and entered
into an alarm group. This will
provide for the
acknowledgment from the
operator interface.
Number of seconds the
alarm is active before
activating OUT.
Function Blocks
Value or Selection
Read Only. See "Configure'
Menu, "Execution Order" to
change.
PV>SP = High Process
Variable/Local Setpoint
PV>CV = High Process
Variable /Compare
Value
PV<SP = Low Process
Variable/Local Setpoint
PV<CV = Low Process
Variable /Compare
Value
(PV-CV)>SP = High
Deviation Alarm
(CV-PV)>SP= Low
Deviation Alarm
IPV-CVI>SP = Band
Absolute Deviation
Alarm
0 to 99999.9 in
Engineering Units
0 to 99999.9 in
Engineering Units
Click on box to use
Remote Setpoint (RSP)
Click on Box to select
0 to 240 seconds
21