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5 Information on this product
5.1 Performance description
The VT-VSPA2-1-2X/V0/T* analog amplifier card is used for generating, linking or
standardizing command value signals and subsequent amplification of the gener-
ated signals.
5.2 Product description
The amplifier card can be used for the following proportional directional valves (hy-
draulic valves).
• 4WRA6-2X
• 4WRA10-2X
• 4WRZ...-7X
• 3DREP...2X
By means of digital command value call-ups and ramp time call-ups (option T5) the
amplifier card can, for example, also be controlled via a PLC.
options
The standard version (VT-VSPA2-1-2X/V0/...) is generally available with the follow-
ing options:
• VT-VSPA2.../T1: Amplifier card with one adjustable ramp time.
• VT-VSPA2.../T5: Amplifier card with five adjustable ramp times. If this option is
chosen, the ramp time can also be selected via ramp time call-ups (24 V inputs) or
in 4-quadrant operation. In addition, a switchable measuring socket is integrated.
For the technical data of the analog amplifier card, please refer to the associated
Features of the
data sheet 30110.
amplifier card
• Set up as printed circuit board in Euro-card format, 100 x 160 mm, and suitable for
installation in a rack.
• Command value inputs:
– Differential input ±10 V
– Four callable command value inputs ±10 V
– Current input 4 to 20 mA
• Inverting of the internal command value signal via 24 V input or jumper
• Selection of ramp time via quadrant recognition (24 V input) or ramp time call-ups
(24 V inputs) (option T5)
• Selection of the ramp time range via jumper
• Characteristic curve correction by means of separately adjustable step levels and
maximum values
• Enable input
• "Ramp on/off" input
• "Ready for operation" output signal
• Switchable measuring socket (option T5)
• Reverse polarity protection for the voltage supply
• Power supply with DC/DC converter without raised zero point
Information on this product
RE 30110-B/11.2012, VT-VSPA2-1-2X/V0/T., Bosch Rexroth AG
13/40
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