Despatch P1400+ Temperature Controller - Manual (Page 31)

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5.3 Displays
Controllers are provided with a dual line display and LED indicators for mode, automatic tune, alarm
and output status. The upper display shows the process variable value during normal operation,
while the lower display shows the Setpoint value. See the preceding diagram - Typical front panel
and keys.
5.4 Keypad
Each instrument in the range has four switches, which are used to navigate through the user menus
and make adjustment to the parameter values. See the preceding diagram - Typical front panel and
keys
5.5 LED Functions
Table 3. Typical LED functions
LED Function
ON indicates the Setup Mode has been entered
(This LED is labelled SET on indicator models)
FLASHING indicates the manual mode has been entered
(On indicator models this LED is labelled SET and flashes when in
Configuration Mode )
ON indicates that Controller Self Tune mode is engaged
FLASHING indicates that Controller Pre-Tune mode is engaged
FLASHING indicates that an alarm condition is present
FLASHES in unison with Time Proportioning Primary outputs, or turns
ON with Valve Motor “Open” outputs.
For Current Proportioned outputs, ON indicates primary power is >0%
It turns ON when the stored Max. PV value is displayed on indicators
FLASHES in unison with Time Proportioning Secondary outputs, or turns
ON with Valve Motor “Close” outputs.
For Current Proportioned outputs, ON secondary power is >0%
It turns ON when the stored Min. PV value is displayed on indicators