5-5PSS(1) ControlNet Adapter - Hardware Manual
LEDs for operating status and errors
LED "module status"
The LED "module status" displays the module's operating status. It also
signals errors.
LED "module status" Description
LED off No supply voltage applied or module not ready
for bus communication
LED red Self-check (after power-up) or
major internal error (cannot be removed)
LED flashing red Communication error
LED green Operating mode
Module operating error-free
LED flashing green Module not active (programming mode),
Waiting for connection structure
INFORMATION
Further information can be found in the ControlNet Specification (from
Version 2.0, 03/1998), table 10-5.
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