Yaskawa CM012 DeviceNet Option Card - Manual (Page 12)

Installation 1-7
LED States
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Power-Up LED States
A power-up diagnostic test is performed each time the device is powered up and after the initial boot sequence. The initial boot sequence
may take several seconds. After the LEDs have gone through the DeviceNet diagnostic LED sequence, the DeviceNet Option Card has been
successfully initialized. The LEDs will assume their operational conditions as shown in Table 1.5 “Normal Operation LED States.”
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DeviceNet Operation LED States
The operational states of the DeviceNet Option Card LEDs after the DeviceNet diagnostic LED sequence has been completed is described
below. Please wait at least 10 seconds for the loading process to complete before verifying the states of the LEDs.
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Fig 1.5 – DeviceNet Option Card LEDs
Table 1.3 – DeviceNet Diagnostic LED Sequence
Seq MOD NET Time
1 GREEN OFF 250 ms
2 RED OFF 250 ms
3 GREEN OFF 250 ms
4 GREEN GREEN 250 ms
5 GREEN RED 250 ms
6 GREEN OFF
Table 1.4 – DeviceNet Option Card LED States
LED State Indicates
MOD
Off No Power
On Green Device Operational
Flash Green Device in Standby
Flash Red Minor Fault
On Red Unrecoverable Fault
Flash Red-Green Device Self-Test
NET
Off Not Powered/Not Online
Flash Green Online/Not Connected
On Green Link OK/Online and Connected
Flash Red Connection Timeout
On Red Critical Link Failure
Flash Red & Green Communication Faulted