Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 22)

Publication 1760-UM003A-EN-P - September 2005
3-4 Operate the DeviceNet Interface
For more information, refer to the programmable controller’s
documentation.
You can also use various other software packages to modify the MAC
ID by sending an explicit message. Do so by using the corresponding
service of the DeviceNet object (see DeviceNet Object on page 4-6).
LED Status Displays The DeviceNet Interface expansion module is equipped with two
indicator LEDs for quick diagnostics. The module monitors itself as
well as the DeviceNet communication bus.
Module Status LED (MS)
The dual-color LED (GREEN/RED) indicates the status of the module.
It monitors whether the device is fully functional and operates without
fault.
Table 3.1 Module Status LED Description
LED Status Description
Off No power supply at the module.
Green The module is in normal operational
state.
Green flashing The module is in standby mode. The
configuration is faulty or incomplete,
or a configuration does not exist.
Red flashing An error has occurred. There is no
need to replace the module.
Red A fatal error has occurred. The
module must be replaced.
Green-Red flashing The module is performing a self-test.
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