ABB RCNA-01 Manual de usuario Pagina 38

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34 Preparing for installation
ACH550-01 User's Manual
Analogue cables
Recommendations for analogue signal runs:
Use double-shielded, twisted-pair cable.
Use one individually shielded pair for each signal.
Earth at one end only.
Digital cables
Recommendations for digital signal runs:
A double-shielded cable is the best alternative, but a single-
shielded twisted multipair cable is also usable.
Control panel (operator keypad) cable
If the control panel is connected to the drive with a cable, use
only twisted-pair, ethernet cable. For example Standard CAT5
UTP Ethernet Patch Cable, wiring 568-B. Maximum length is 3
meters.
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