16/36 Valve amplifier VT-MSPA2-2X | Mounting
BOSCH REXROTH AG, Edition 02.2021, RE 30232-02-B
7.5.1 Shielding
For digital inputs and outputs as well as for the command value and the actual
value the permissible cable length of unshielded cables is 30 m. In the case of
greater lengths use shielded cables with a copper braid shield. Connect the cable
shield on both ends and on a large area to the system ground. For connection of
the cable shield to the VT-MSPA2-2X we recommend the use of our shield kit, see
Fig. 2 (accessories, see chapter 7.2, page 14). As solenoid cables you may use
unshielded cables.
Fig. 2: Shielding of the VT-MSPA2-2X
7.5.2 General notes on wiring
▶ Install signal and power cables as far away from each other as possible and do
not install them in parallel.
▶ Do not route signal cables through strong magnetic fields.
▶ Lay signal lines as continuously as possible. If intermediate terminals are
required, the shield must be dealt with separately.
Install power cables consisting of two individual wires (e.g. voltage supply) as
twisted cables.
▶ Cables should only have the number of wires actually required. If this is
impossible, connect the wires with each other and connect them to ground on
one side in the control cabinet.
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