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Home > Services > Technical Documents > How To Check A Yaskawa CACR**** Servpack

How To Check A Yaskawa CACR**** Servopack
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26. Thyristor Module

The Thyristor module is composed of both diodes and silicon-controlled rectifiers. The Thyristor is the main component which contributes to the conversion of the AC input voltage to the DC voltage used to power the servomotor.


Thyristor Module


27. Thyristor Module Check

Test Equipment – Digital Multimeter

! Multimeter must be in Diode position !


Step # Multimeter Positive Lead Multimeter Negative Lead Expected Reading (Diode Check)
1 R, S, T P OL
2 N R, S, T 0.5


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ACS Industrial Services
9 Schilling Road, Suite 210
Hunt Vally, MD 21031 		If you need to send your servo pack in for repair, please contact us (see info on right) to get an RMA number, shipping address, and instruction on how to send it to us for a free evaluation. For Servo Pack repair:
call: 800-605-6419
click: ACS Repair Form
   
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