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Rail-Split extreme User Guide
Application Diagram
The diagram below shows how Rail-Split extreme could be utilised in a typical application.
Internal Earth and Isolation
The following table summarises the internal earth interconnection and isolation.
Please note that we use the term Earth-Ground to avoid international confusion. In Europe
Earth-Ground is called Earth; in the USA, Earth-Ground is called Ground.
Circuit
Description
DMX512 Input
(including Loop Through)
Type:
Isolated
Pin 1:
Connects to internal isolated
circuit. No connection to
Internal Logic Ground
DMX512 Outputs
Type:
PSU referenced
Pin 1:
Connected to Internal Logic
Ground
Internal Logic Ground
Connected to power supply 0V. If the selected PSU has a connection
between Earth-Ground and 0V the DMX outputs become Ground
Referenced. Otherwise the DMX outputs are Floating. When the
recommended PSU is used, DMX outputs are Floating.
