Instruction manual

2322
P a r a m e t e r
D e s c r i p t i o n s
Figure 11. Temperature Controller Menu Hierarchy
With the Heater Break
Alarm option, [L.SP.L]
changes to Heater Cur-
rent Reading
[ Ht.rd ] (indication
only) and [U.SP.L]
changes to Heater
Break Alarm Setpoint
[ Ht.SP] (either
00-30 Aor 00-60 A).
= temperature
controller only
= process
controller only
= temperature and
process controller
Note: Limit Controller Menu Hierarchy
appears on page 44.
O p e r a t i o n
Available Alarm Types [ A1.P.d. ] [ A2.P.d. ]
Selectable at menu level “05”, as either Process [ Pr ] or Devi-
ation [ dE ] and either high or low [ A1.HL ] or [ A2.HL ].
Process Alarm: Activates at preset value independent of
setpoint. “High” process alarm activates at and above alarm
setting. “Low” process alarm activates at and below alarm
setting.
Deviation Alarm: Activates at a preset deviation value from
setpoint. “High” or “Low” deviation alarm activates above or
below setpoint according to the preset deviation value.
Latching Alarms
The alarms may also be configured as latching alarms by
selecting “LAt” in the [ A1.O.P.] or [ A2.O.P.] parameter selec-
tion at menu level “05”.
When a latching alarm
has been activated and
the alarm condition
has been removed, the
Mode key must
be pressed to unlatch
the alarm.