Instruction Manual

OPERATOR AND MAINTENANCE MANUAL
Doc No 552864 Page 12 of 22
Issue 02 June 2004
4.4 8000 SERIES I/O MODULES
LED INDICATION
Healthy Module health.
Off = No power applied to the module.
Amber = Slice is in the start-up state (momentary after
installation or power-up).
Green = healthy.
Flashing red = fault present on the associated slice but the
slice is still operational.
Red (momentary) = On installation – power applied to the
associated slice.
Red = The associated slice is in the fatal state. A
critical fault has been detected and the slice
has been disabled.
Active Off = module is not in the Active state.
Green = module is in the Active state.
Flashing red = Module is in the shutdown state if the
Standby LED is off.
Flashing red = Module is in the fatal state if the Standby
LED is also flashing red.
Standby Off = module is not in the Standby state.
Green = module is in the Standby state.
Flashing red = module is in fatal state. The Active LED will
also be flashing red..
Educated Off = module is not educated.
Green = module is educated.
Flashing green = module is recognised by the processor but
education is not complete.
Channel LED
(40-off)
Off = open field switch (contact).
Green = closed field switch (contact).
Flashing red = associated channel faulty.
Flashing green = associated channel input voltage out of
range, i.e. either below the lowest trip
threshold or above the highest.
Note: The LEDs indicating channel status may be configured to suit user
requirements by implementing the procedure for configuring a System.INI file
detailed in PD-8010.