26/40 Installation
Bosch Rexroth AG, VT-VSPA2-1-2X/V0/T., RE 30110-B/11.2012
• The system earth is a main component of the control electronics' EMC protection.
Here, interference is eliminated which is transported to the control electronics via
the data and supply voltage lines. This function is only ensured if the system earth
itself does not introduce interference into the control electronics. Bosch Rexroth
recommends screening the solenoid lines as well.
• Ensure a maintenance-friendly installation, i.e. simple access to the connection
lines. Free access to the connecting side must be guaranteed. The cable ends
should be sufficiently long so that the amplifier card can also be dismounted in the
wired condition.
• Before installation note down the information on the nameplates. If, after the
installation, nameplates are no longer visible or legible, these data will be quickly
available to you at any time.
7.4 Unpacking the amplifier card
▶ Only remove the card immediately before installing it at a protected workplace.
▶ Hold the amplifier card at the front plate taking care not to touch electricalcomponents.
7.5 Installing the amplifier card
The amplifier card is set up as printed circuit board in europe format, 100 x 160mm,
and suitable for installation in a rack.
Suitable card holders are:
• Closed card holder VT12302 (see RE 30103)
+ blind plate 4 TE/3 HE (mat.no.: R978009974)
• Open card holder VT3002-1-2X/48F (see RE 29928)
Proceed as follows when installing the amplifier card VT-VSPA2:
1. De-energize the rack or card holder used.
2. Only remove the card from its packaging at a protected workplace.
3. Open the packaging of the amplifier card and remove it by pulling it out by the
front plate.
4. Insert the amplifier card into the guide rails of the rack without using force.
5. Gently press the amplifier card into the front plate until it locks in place.
6. Tighten the two mounting bolts on the front plate.
The amplifier card has now been correctly installed.
The open card holder may only be used if installed in a control cabinet. Contact
protection can only be ensured in this case.
Make sure that the admissible operating temperature range of 0 to 50°C is
complied with at the place of installation .
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