Electrical Installation; Overview; General Cabling Instructions; Macid Selection - ABB RCNA-01 User Manual

Rcna-01 controlnet adapter module
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Electrical installation

Overview

This chapter contains:

• general cabling instructions

• instructions on setting the module node address number
• instructions for connecting the module to the ControlNet bus.
WARNING! Before installation, switch off the drive power supply.
Wait five minutes to ensure that the capacitor bank of the drive is
discharged. Switch off all dangerous voltages connected from
external control circuits to the inputs and outputs of the drive.
General cabling instructions
Bus cables are specified in chapter
Arrange the bus cables as far away from the motor cables as
possible. Avoid parallel runs. Use bushings at cable entries.

MacID selection

The MacID (Node address) is set with the two rotary decimal
switches in the front of the module. The range is 1 to 99. The
value is read from the switches right after completion of the
initialisation procedure, and they shall not be changed during
operation. If changed, a minor fault will be detected and the MacID
will not change until the next power-up or the module receives a
'Fieldbus Adapter parameter refresh' command from the drive.
Technical
data.
Electrical installation
21

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