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Abs. Error
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Absolute magnitude of the difference between the PID setpoint and process variable.
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ADV_PID
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Advanced PID
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AI
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Analog Input
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ALARM_A
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Analog alarm
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ALARM_D
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Discrete Alarm
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Algorithm
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A step-by-step problem-solving procedure, especially an established, recursive computational procedure for solving a problem in a finite number of steps.
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AO
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Analog Output
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Auto mode
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Enables the device to be commanded from logic.
Note: The mode can be changed while the Controller runs.
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DC2S
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Device Control 2 State
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DC3S
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Device Control 3 State
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Debouncing
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Ensures that only a single signal will be acted upon for a single opening or closing of a contact.
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DI
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Discrete Input
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DO
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Discrete Output
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Forced data
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Overrides the PV value with a user specified value.
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IND_A
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HMI Analog Indication
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IND_D
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HMI Discrete Indication
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Inhibition
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Logic within the control program to suppress ??faults or alarms automatically.
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Interlock
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Prevents the device from running; high temperature interlock for a motor.
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Local setpoint mode
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The PID setpoint can be changed from HMI faceplate only.
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Locked mode
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The logic has locked the mode into either manual or automatic. It cannot be changed through the faceplate.
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Lock out
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The device is being serviced and is unsafe for operation.
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Magnitude of Error
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Absolute magnitude of the difference between the PID setpoint and process variable.
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Manual mode
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Enables the state transition commands to come from the operator SCADA or Engineering Workstation when online to the Controller.
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MANUAL_SP
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HMI Manual Setpoint
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OP
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Output.
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Parallel (Algorithm)
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PID terms are calculated independently in parallel to one another.
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PBUTTON
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HMI Discrete Pushbutton
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Pct. Error
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Absolute value of the ratio of the error to the span of the process variable.
(ABS(SP-PV)/PX-PN)*100.0)
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PID
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PID
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PV
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Process variable.
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RAMPSOAK
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Ramp Soak Setpoint Generator.
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Remote setpoint mode
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The PID setpoint is generated in logic and cannot be changed in the faceplate.
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ROC
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Rate of change.
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Selectable mode
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The mode (manual or auto) can be changed through the faceplate.
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Series (Algorithm)
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The PID terms are dependent on one another and combined in series.
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SP
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PID setpoint
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Suppressed
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The user suppresses the alarm generation within the HMI system.
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TOTALIZE
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Totalized Flow Rate
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CIMPLICITY
