Parker Porter MPC Series, Installation, Programming, & User Manual, Page: 9 / 30

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SECTION 3 – DISPLAY TERMS AND FUNCTIONS
DISPLAY (FRONT VIEW)
DEFINITION OF TERMS
SP (Setpoint): Set flow rate value.
PV
(Process Variable): Instantaneous flow rate value (i.e. controlled flow rate).
Operation mode: Three (3) modes of ‘Valve Fully Closed’/’Valve Control’/’Valve Fully Open’.
FUNCTIONS
UPPER DISPLAY
Displays the instantaneous flow rate value (7-segment display).
When the display is switched, also displays the totalized flow rate value (upper 4 digits),
parameter setup item, function setup item or alarm details.
LOWER DISPLAY
Displays the set flow rate value (7-segment display).
When the display is switched, also displays the operation mode, totalized flow rate value
(lower 4 digits), valve drive output, parameter setup values or function setup values.
OPERATION LAMP
‘
L
’: Indicates the totalized flow rate is displayed. Blinks when a totalization
event occurs.
‘ OK ’: Lights when the controlled flow rate is within the “setting value ±
allowable range”. Blinks when the operating mode is ‘Valve Fully Open’.
‘ SP1 ’ to ‘ SP3 ’: The lamp corresponding to the SP number that is used at multi-setting is
lit.
‘ EV1 ’ & ‘ EV2 ’: Lights when the event output is ON.
[
DISP
] key: Used when switching the details of the display.
[ < ], [
∨
∨ ∨
∨
] & [
∧
∧ ∧
∧
] keys: Used when incrementing/decrementing the digit or moving to a desired
digit.
[
ENT
] key: Used when setting the
SP
value and storing the value. This key may
also be used for the totalized flow rate resetting and alarm resetting.