Installing the Converter 3-4
512C Series Converter
Electrical Installation
Recommendations
• Although the controller is designed to provide double or reinforced insulation between the
user and bare live parts, it is recommended that the “0v/Signal Ground” is earthed. Where a
number of controllers are used in a system the “0v/Signal Ground” terminals should be
connected together and earthed at one point.
• The controller is designed for armature current form factor of 1.5 or less. It is recommended
that a armature choke be fitted where a form factor of less than 1.5 current cannot be
guaranteed.
• Due to the earth leakage currents the controller and filter should be permanently earthed.
This can be achieved by either connecting two earthing conductors of the required value, see
table 11.1, or connecting one earthing conductor of at least 10mm
2
.
IMPORTANT: The Converter fitted with an internal or external ac supply EMC filter is only suitable for
earth referenced supplies (TN).
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