Despatch P1400+ Temperature Controller - Manual (Page 42)

36
Parameter Lower
Display Upper
Display Description Default
Value
When
Visible
Process Low
Alarm 2 value* PLA2 Range Min. to Range Max.
Parameter repeated in Setup Mode Range
Min.
ALA2 =
P_Lo
Deviation
Alarm 2 Value* dAL2
±
span from setpoint.
Parameter repeated in Setup Mode
5 ALA2 =
dE
Band Alarm 2
value* bAL2 1 LSD to full span from setpoint.
Parameter repeated in Setup Mode 5 ALA2 = b
And
Alarm 2
Hysteresis* AHY2 1 LSD to 100% of span (in display units)
on “safe” side of alarm point.
Parameter repeated in Setup Mode 1 Always
Loop Alarm
Enable LAEn disA (disabled) or
EnAb (enabled)
disA Always
Loop Alarm
Time* LATi 1 sec to 99 mins. 59secs
Only applies if primary proportional
band = 0
99
.
59
LAEn =
EnAb
none No alarms Inhibited
ALA1 Alarm 1 inhibited
ALA2 Alarm 2 inhibited
Alarm Inhibit Inhi
both Alarm 1 and alarm 2
inhibited
none Always
Pri Primary Power
Sec Secondary Power
Opn1
is not
none
Al_d Alarm 1, Direct Acting Not linear
A1_r Alarm 1, Reverse Acting Not linear
A2_d Alarm 2, Direct Acting Not linear
A2_r Alarm 2, Reverse Acting Not linear
LP_d Loop Alarm, Direct Acting Not linear
LP_r Loop Alarm, Reverse Acting Not linear
Or_d Logical Alarm 1 OR Alarm 2
Direct Acting
Not linear
Or_r Logical Alarm 1 OR Alarm 2
Reverse Acting
Not linear
Ar_d Logical Alarm 1 AND Alarm
2, Direct Acting
Not linear
Ar_r Logical Alarm 1 AND Alarm
2, Reverse Acting
Not linear
retS Retransmit SP Output Linear only
Output 1
Usage USE1
retP Retransmit PV Output
Pri
Linear only
Linear Output tYP1 0_5 0 to 5 V DC output 1 0_10 Opn1 =