15
MANUAL
MANUAL
TUNE
TUNE
ALARM
1
2
Keypad
Each instrument has either three or four switches, which are used to navigate through the user menus and make
adjustment to the parameter values. See - Overview Of Front Panel above
LED Functions
Table 3. Typical LED functions
LED
Function
ON indicates the Setup Mode has been entered.
This LED is labelled
on the Over Temperature / Limit Controllers
FLASHING indicates the manual mode has been entered
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 out-
puts,
ON indicates primary power is >0% It turns ON when the stored
Max.
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.
Figure 37
Typical front panel and keys
Reset or Auto/Manual Key
Lower or Down Menu Key
Raise or Up Menu Key
Function Key
1/16 DI
TEMPERATURE CONTROLLER - CHROMALOX 6040
