16/36 Valve amplifier VT-MSPA2-2X | Installation
Bosch Rexroth AG, Edition 04.2020, RE 30232-01-B
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.
Table 7: Recommended cable variants
Interface Maximum
length [m]
Cable type Minimum
cross-section
[mm
2
]
Remarks
Digital in/out
30 Unshielded 0.25 to 2.5 For 30 m or more, shielded cable
required
50 Shielded 0.25 to 2.5
Command
value
30 Twisted pair 0.25 to 2.5 For 30 m or more, shielded cable
required
50 Twisted pair, shielded 0.25 to 2.5
Actual value
30 Twisted pair 0.25 to 2.5 For 30 m or more, shielded cable
required
50 Twisted pair, shielded 0.25 to 2.5
Solenoid cable
20 Unshielded 1.0 to 1.5
50 Unshielded 1.5 to 2.5
Operating
voltage
20 Unshielded 1.0 to 1.5
50 Unshielded 1.5 to 2.5
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