霍尼威尔仪器操作界面显示
Operator Interface
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Operator interface
Figure 1-1 shows the operator interface and defines the displays and indicators. The function of the keys is
described in Table 1-1.
Indicates temperature units of PV
Upper Display - six characters
Normal operation - Displays process
variable (PV) for selected channels.
Configuration mode - Displays selection or
parameter value.
PV displayed is for channel
1, 2, 3, or 4
Alarm condition exists for
alarm 1 or 2, when lit.
Indicates controller mode:
MAN = Manual
A = Automatic
Keypad / Key functions
Remote set point or
2nd set point is active,
when lit. Blinks when
2nd setpoint or remote
setpoint is attained
through remote switch
Control relay 1 or 2 is
ON, when lit.
Lower Display - eight characters
<0095> Normal operation - Displays selectable
operating parameters and values. Indicates
diagnostic error messages, alarm condition
for alarms 3-6, Accutune in progress
Configuration mode - Displays function
group and parameters.
Bargraph - deviation (±10% of span)
Center green bar indicates PV is within
±1% of control setpoint
Next small bar will light if PV is between
±1% but less than ±2% in deviation.
If PV is equal to or greater than ±10%
deviation, the green bar plus all ten small
green bars will light.
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