GAC EEG6550 Series Podręcznik - Strona 5

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FEATURES

TrIm or varIaBle SPeeD oPeraTIon

Trim function - Performs finer adjustments (e.g. generator frequency) The resistive input speed function is active when the VSPD

(Variable Speed) parameter is OFF (default value is OFF). 5K Ω potentiometer typical.

variable Speed function - Operates over a larger RPM range. Variable speed 0 - 2.5 V input to Terminal J is active when VSPD

(Variable Speed) parameter is ON.

SPecIal menU

ParameTer

vSPD

moDe

Trim

OFF

(Default)

Variable

Speed

Increasing voltage, resistance or current increases speed.

Variable Speed Input Signal, the EEG6550 controller accepts Resistive, Current and Voltage input signals selected from the VSMD

parameter on the Advanced Menu page.

Variable Speed Response to External Voltage Input Variable Speed Parameter (VSPD)- ON, 5 K Potentiometer Between Terminal H & J

Configured for 900 to 1800 RPM.

•

Resistive Input: (Select rES) Connect a 5K

potentiometer between Terminals H and J.

Maximum operating voltage is 2.5 V DC,

response to this input is slightly non-linear.

•

Current Input: (Select CUr) Add an external 200 Ω resistor across Terminals H and J for a 4-20 mA input signal. The SPEED pa-

rameter sets the low speed at 4 mA, V.SPEED parameter sets the high speed at 20 mA. If the input current drops below 4 mA,

variable speed will be clamped at 0 %. If the input current level exceeds 20 mA, variable speed will be clamped at 100%. RPM

response to current is linear.

•

Voltage Input: (Select 5dc) voltage to 4.25 V, above 4.25 V the variable speed function will be clamped at 100 %, RPM response

to voltage is linear.

ImPorTanT

SPeeD

Application Rated Speed

(e.g., 1500 RPM)

Minimum speed when potentiometer

is at lowest resistance

(e.g.,1000 RPM)

Increasing voltage or resistance increases speed.

QUIKSeT menU

ParameTerS

Speed Trim (10 = ±10 Hz)

Maximum Speed when potentiometer is at the highest resistance

(e.g., 2000 RPM)

EEG6550 Enhanced Electronic Governor 5-2020-A1

v. SPeeD

PIB1118