Yaskawa V1000-Series Option SI-EM3D/V Dual Port EtherNet Modbus TCP/IP Technical Manual - Manual (Page 11)

u Option LED Display
The option has four LEDs.
Bi-color Status LEDs:
• Module status (MS) red/green
• Network status (NS) red/green
Ethernet LEDs:
• Network speed - 10/100 (MS) green
• Link status and network activity - LINK/ACT (NS) red/green
The operational states of the option LEDs after completion of the power-up diagnostic LED sequence are described in
Table
3 . Wait at least 2 seconds for the power-up diagnostic process to complete before verifying LED states.
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 Normal operation
The option is operating normally and initialization is
complete.
Green Flashing Standby/Initializing
The option is in process of configuring or waiting for
configuration information.
Red Flashing Non-fatal error occurred
The option has detected a recoverable minor fault such
as incomplete configuration.
Red ON Fatal error occurred The option has detected an unrecoverable major fault.
NS
– OFF
Power supply OFF or no network
connection established.
–
Green ON
Online communications
established
The option is online and has established connections.
Green Flashing
Control communications
established
The option is online with a control connection.
Red ON Major fault
The option detected a duplicate IP address or the control
connection timed out.
10/100 <1>
Green OFF 10 Mbps is established
–
Green ON 100 Mbps is established
LINK/ACT <1>
Green OFF LINK is not established
Green ON LINK is established
Green Flashing
LINK is established and there is
network activity.
<1> Remove the cover to check the status of the LED. Be careful not to touch the main circuit terminals or the control board in the drive.
4 Option Components
YASKAWA SIEP YAICOM 17A V1000 Option Dual-Port Modbus TCP/IP SI-EM3D/V Technical Manual 11