Thursday, June 21, 2012

yaskawa,External Regenerative Resistors,regenerative error,A30, external regenerative resistor to the SGDH,JUSP-RA04 ,

Star Automations is one of the leading Sales,support, Authorized service Provider of yaskawa Automation Product.

External Regenerative Resistors
Type JUSP-RA04  

Regenerative resistors for servo amplifiers are internally
or externally mounted, as shown in the following table.
They can be mounted externally on all servo amplifiers,
but are especially effective when regenerative energy
exceeds the servo amplifier’s capacity.
When mounted externally, be sure to remove the jumper
between B2 and B3, which deactivates the internal
regenerative resistor.
Important:  External regeneration resistor sizing and
amplifier set-up will be important for proper operation.

Applicable Servo              Resistance (Ω)    Wattage*(W)  

SGDH-08AE-S                              50                       60                     12
SGDH-15AE-S                              25                     140                      28

SGDH-20AE                                 25                      140                     28 12
SGDH-30AE                               12.5
SGDH-50AE                                8                         280                         56
SGDH-60AE                                  6.25                   880                  
SGDH-1AAE                                    3.13            1760                       350


Externally attach a regenerative resistor to the servopack. This resistor is used for dissipating
regenerative energy.

Use one of the following regenerative resistor units according to the servopack model. 

Servopack Model       SDGH-         2BDE      3ZDE            3GDE                4EDE                    5EDE
Regenerative Resistor Unit JUSP- RA12   RA13             RA14                RA15                       RA16
Resistance                                           9Ω       6.7Ω                5Ω                   4Ω                          3.8Ω
Resistance Capacity                    3600W   3600W           4800W             6000W                       7200W

Allowable Load Moment of Inertia 5 times the load moment of inertia at motor shaft.
Allowable Duty 2% ED at maximum speed and torque deceleration

For  yaskawa servopack manual 
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We are specialized in providing technical solutions and consultancy for these products.

service, repair, replace, built, rebuild, regrind, recondition, refurbish, remanufacture, retrofit and overhaul all  servo drive and motor.

For any other related information feel free to contact us. 


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