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Manual 37278B GCP-30 Series - Genset Control

Mains Current/Mains Power Measurement

Mains power actual value measurement via analog input (Package XP, Option T701)

Measurement of the mains power actual value via an analog input T{x} [x = 1-7] is possible if at least one of the

analog inputs T{x} [x = 1-7] is a 0/4-20 input. Selection of the analog input is performed with the following pa-

rameters.

Parameter 34

Analog in Pmains

OFF

Package XP, Option T701 only

Analog input P-mains: Selection OFF / T{x}

OFF .............. The mains interchange (import/export) real power actual value is

calculated out of the measured mains current and the measured mains

voltage. The analog inputs can either be used as real power set point

values or as freely configurable alarm inputs. The following screens

of this function are not displayed.

T{x} .............. The mains interchange (import/export) real power actual value can

be transmitted to the control by a measuring transducer and can be

measured via the configured free scalable 0/4-20 mA input T{x}

({x} = 1-7) (other types of analog inputs cannot be used). The fol-

lowing screens of this function are displayed.

Note

Please note that the selected analog input T{x}

• Must be configured to OFF (Parameter 243) in chapter "Analog inputs" and that

his analog input

• Must not be configured as generator real power set point value (Parameter 91)

• T{x}:

Dependent on the control model these analog inputs are included and pos-

sibly built as 0/4-20 mA type. If the controller being configured is an analog in-

put model, only 0/4-20 mA inputs may be used (only these inputs are displayed

for selection at this parameter).

• LeoPC1 is not a dynamic program and must be restarted after reconfiguration of a

control unit has been started so the changes are reflected in the graphical display

of the PC program.

Priority of the functions of the analog inputs

The following priorities are valid if more than one function has been assigned to a

analog input:

• Highest priority: Mains interchange (import/export) real power actual value

• Middle priority: Generator real power set point value

• Lowest priority: Measuring input as common analog value

Woodward GCP-30 Series Configuration

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