Dwyer MPC User Manual
Page 23
y
ms
and
AL2
Alarm 2 function: Select
0FF
,
Lo
,
Hi
,
HiLo
,
SF
,
0t
, or
SF0t
. Factory default is
Lo
.
0FF
Alarm 2 is disabled. No Alarm 2 menu items appear in the
Secondary or Secure menus.
Lo
Low Alarm Only.
A2Lo
appears in the Secondary Menu.
Hi
High Alarm Only.
A2Hi
appears in the Secondary Menu.
HiLo
High and Low Alarms. Both
A2Lo
and
A2Hi
appear in the Secondary
Menu, and share the same Alarm 2 Relay output.
SF
Seal Failure ONLY will trigger Alarm.
0t
Over Temperature Failure ONLY will trigger Alarm
SF0t
Both Seal Failure and Over Temperature Failure will trigger Alarm.
With the Alarm Function settings on
0FF
,
SF
,
0t
,
SF0t
certain alarm related menu items
will disappear as those menu items do not apply.
A2t
Alarm 2 Type: Select
AbS
or
dE
. Factory default is
AbS
.
AbS
Absolute Alarm that may be set anywhere within the values of
SCAL
and
SCAH
and is independent of
SP1H
.
dE
Deviation Alarm that may be set as an offset from
SP1H
. As
SP1H
is changed the Alarm Point will track with
SP1H
.
A2rE
Alarm 2 Reset: Select
0n0F
or
HoLd
Factory default is
0n0F
.
0n0F
Automatic Reset.
HoLd
Manual Reset. Reset (acknowledge) by simultaneously pressing the
INDEX & DOWN ARROW keys for 5 seconds.
A2Pi
Alarm 2 Power Interrupt: Select
0n
or
0FF
. Factory default is
0FF
.
0n
Alarm Power Interrupt is On.
0FF
Alarm Power Interrupt is OFF.
A2iH
Alarm 2 Inhibit: Select
0n
or
0FF
. Factory default is
0FF
.
0n
Alarm Inhibit is On. Alarm action is suspended until the process
value first enters a non-alarm condition.
0FF
Alarm Inhibit is OFF.
A2St
Alarm 2 Output State: Select
CL0S
or
0PEn
. Factory default is
CL0S
.
CL0S
Closes Contacts at Alarm Set Point.
0PEn
Opens Contacts at Alarm Set Point.
A2LP
Alarm 2 Lamp: Select
0 on
or
0oFF
. Factory default is
0 on
.
0 on
Alarm Lamp is ON when alarm contact is closed.
0oFF
Alarm Lamp is OFF when alarm contact is closed.
A2td
Alarm 2 time Delay: Select
0FF
or
1 to 8000
seconds. Factory default is
0FF
.
0FF
Alarm function will operate when triggered at programmed Alarm
Set Point.
1-8000
Alarm function will only operate once the programmed time has
elapsed after the alarm was triggered by the Alarm Set Point.
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