Rockwell Automation 1791DS-IB16 CompactBlock Guard I/O DeviceNet Safety Module - Manual (Page 12)

12 CompactBlock Guard I/O DeviceNet Safety Modules
Publication 1791DS-IN002C-EN-P - April 2009
Interpret the LED Indicators
See the tables for information about how to interpret LED indicators.
24V DC Input Power Indicator
State Status Description Recommended Action
Off No power No power is applied. Apply power to this section.
Solid
green Normal
operation The applied voltage is
within specifications. None.
Solid
yellow Input power
out of
specification The input power is out of
specification. Check your configuration,
wiring, and voltages and apply
the changes.
24V DC Output Power Indicator (1791DS-IB8XOBV4 modules only)
State Status Description Recommended Action
Off No power No power is applied. Apply power to this section.
Solid
green Normal
operation The applied voltage is
within specifications. None.
Solid
yellow Output power
out of
specification The output power is out
of specification. Check your configuration,
wiring, and voltages and
apply the changes.
Module Status Indicator (1)
State Status Description
Off No power or autobauding No power is applied to the
DeviceNet connector.
Solid
green Normal operation The module is operating normally.
Solid red Unrecoverable fault The module detected an
unrecoverable fault.