Yaskawa 1000 Series Drive Option - DeviceNet Installation - Manual (Page 10)

4 Option Components
10 YASKAWA ELECTRIC TOBP C730600 43C 1000-Series Option SI-N3 Installation Manual
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Option LED Display
The option has two bicolor, red/green LEDs: one for Module Status (MS) and one for
Network Status (NS).
The operational states of the LEDs after completion of the DeviceNet power-up diagnostic
LED sequence are described in Table 4 . Wait at least 2 seconds for the power-up diagnostic
process to complete before verifying the states of the LEDs.
Table 3 Option LED States
Name
Display
Operating Status Remarks
Color Status
MS
– OFF Power supply OFF Power is not being supplied to the drive.
Green ON Option operating The option is operating normally.
Green Flashing Option initializing
There is an incorrect baud rate setting or there is a
MAC ID.
Red ON Fatal error occurred A fatal (irrecoverable) error occurred in the option.
Red Flashing Non-fatal error occurred A non-fatal (recoverable) error occurred.
Green/Red Flashing Device self-test Device in self-test mode.
NS
– OFF Offline or Power supply OFF –
Green ON
Online communications
established
Device is on-line and has connections in the
established state.
Green Flashing Online communications not
established
Device is on-line but has no connections in the
established state.
Duplicate MAC ID test has been passed and is on-line
but has no open connections to other nodes.
Red ON Communications error
An error occurred disabling DeviceNet
communications.
• MAC ID duplication
• Bus off detected
Red Flashing Communications time-out A communications time-out occurred with the master.
Green/Red Flashing Communication faulted
Specific communication faulted device.
• The device has detected a network access error and
is in the communications faulted state.
• The device has then received and accepted an
Identify communication fault request-long protocol
message.