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Bosch Rexroth VT-VSPA2-1-2X/V0/T5 User Manual

Bosch Rexroth VT-VSPA2-1-2X/V0/T5
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28/40 Commissioning
Bosch Rexroth AG, VT-VSPA2-1-2X/V0/T., RE 30110-B/11.2012
8 Commissioning
8.1 Safety regulations
Commissioning of the amplifier card requires particular knowledge of electronics
and hydraulic systems. Therefore, amplifier cards may only be commissioned by
experts having knowledge of:
The function of the card and the hydraulic system
The properties of the amplifier card
The function of the superior control system
The warranty expires if you change the setting of the sealed potentiometer ("ramp
time symmetry" and "internal reference voltage).
Prior to installing the card, ensure that the jumpers on the amplifier card are cor-
rectly plugged.
Only use measuring instruments with an internal resistance (R
i
) > 100 kΩ
formeasurements.
Use a screwdriver with a blade width of 4mm for adjusting the potentiometers
and selecting the measuring point selector switch (VT-.../T5).
8.2 Setting the amplifier card
The anolog amplifier card offers the following setting ranges:
Denomination Potentiometer Setting range
Zero adjustment "Zw" ±30 %
Command values "w" to "w4" 0 to 110 %
Ramp times "t1" to "t5" (option T5)
„t" (option T1)
0.02 to 5 sec.; switchable 0.2 to 50 sec
Step level "S+" and "S–" 0 to 50 %
Amplitude attenuator "Gw+" and "Gw–" 0 to 110 % (applies to the step level setting
of 0 %)
Clock frequency "t" J5, J6 ≅ 4WRA6: f = 300 Hz...370 Hz
J5, J6 ≅ 4WRA10: f = 180 Hz...410 Hz
J5, J6 ≅ 4WRZ: f = 170 Hz
J5, J6 ≅ 3DREP: f = 170 Hz
8.2.1 Setting the command value zero point
The command value zero point setting is used to:
Correct the zero signal at the input
Set the step function for command value specification if no internal command
value is available
Procedure:
Prerequisite: No command value call-up must be operated.
1. Set external command value specifications to 0 V.
2. Set internal command value to 0V using the potentiometer "Zw". Check the set-
ting of the measuring socket "w".
Procedure:
Prerequisite: No command value call-up must be operated.
1. Set external command value specifications to 0 V.
Setting ranges
Option VT-.../T1
Option VT-.../T5

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Bosch Rexroth VT-VSPA2-1-2X/V0/T5 Specifications

General IconGeneral
BrandBosch
ModelRexroth VT-VSPA2-1-2X/V0/T5
CategoryAmplifier
LanguageEnglish

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