Industrial Hydraulics FAQs
Updated: JS_September2013
FAQ Title: Amplifier change information for proportional valve series changes
Category: Electronics
Sub-Category: Amplifiers.
Bosch Rexroth Corporation
Hydraulics
2315 City Line Road
Bethlehem, PA 18017
Tel (847) 645-3600
Question:
Is documentation available to explain the amplifier changes necessary when
replacing 3DREP 6-1X; 4WRZ series 3X thru 6X; 4WRA series 1X with the
current series valves, 3DREP-2X; 4WRZ-7X and 4WRA-2X?
Answer:
Yes. The current series Euro-card format amplifiers for these valves are:
R901002090 VT-VSPA2-1-2X/V0/T1 - 1 ramp time, or
R901002095 VT-VSPA2-1-2X/V0/T5 - 5 ramp times
Either version uses our 48-pin cardholder R900020154 VT3002-1-2X/48F
Please review the attachments for further details, diagrams and technical
specifications regarding analog amplifier, VT-VSPA2-1-2X/V0/T**
-Data sheet, RE30110
-RE30110-b, Set-up instructions,
-RE30110-z, Additional Tech Data regarding former series amplifier
replacements.
Attachments:
RE30110
RE30110-b
RE30110-z
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