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3 Configuration Units
NX-series CPU Unit Hardware User’s Manual (W535)
3-1 C
P
U
Unit
s
3
3-
1-2 Par
t Names and F
unctions
• Built-in EtherCAT Port (Port 3) Indicators
NET ERR
Red
Not lit.
There are no Ethernet communications errors.
• The power supply is OFF or the CPU Unit was reset.
Flashing An error for which the user can recover operation occurred.
• An error occurred in TCP/IP communications or CIP communica-
tions.
• FTP server setting error, NTP server setting error, etc.
• Tag data link setting error, tag data link verification error, etc.
Lit.
An error for which the user cannot recover operation occurred.
• A MAC address error or communications Controller error
occurred.
LINK/ACT
Yellow
Not lit.
A link was not established.
• The cable is not connected.
• The power supply is OFF or the CPU Unit was reset.
Flashing The link is established, and data communications are in progress.
Lit.
The link was established.
Indicator
Color
Status
Meaning
NET RUN
Green
Lit.
EtherCAT communications are in progress.
• Inputs and outputs for I/O data are in operation.
Flashing EtherCAT communications are established.
This indicator shows either of the following conditions.
• Only message communications are in operation.
• Only message communications and I/O data inputs are in opera-
tion.
Not lit.
EtherCAT communications are stopped.
• The power supply is OFF or the CPU Unit was reset.
• A MAC address error, communications Controller error, or other
error occurred.
NET ERR
Red
Lit.
A hardware error or unrecoverable error occurred, such as for
exception processing.
Flashing A recoverable error occurred.
Not lit.
There are no errors.
LINK/ACT
Yellow
Lit.
A link is established.
Flashing Data communications are in progress after establishing link.
Flashes every time data is sent or received.
Not lit.
The link was not established.
Indicator
Color
Status
Meaning
Summary of Contents for NX701-1620
Page 11: ...9 Manual Structure NX series CPU Unit Hardware User s Manual W535...
Page 46: ...Sections in this Manual 44 NX series CPU Unit Hardware User s Manual W535...
Page 64: ...1 Introduction to NX series Controllers 1 18 NX series CPU Unit Hardware User s Manual W535...
Page 72: ...2 System Configuration 2 8 NX series CPU Unit Hardware User s Manual W535...
Page 90: ...3 Configuration Units 3 18 NX series CPU Unit Hardware User s Manual W535...
Page 156: ...6 Inspection and Maintenance 6 14 NX series CPU Unit Hardware User s Manual W535...
Page 163: ...I 1 I NX series CPU Unit Hardware User s Manual W535 Index...
Page 166: ...I 4 NX series CPU Unit Hardware User s Manual W535 Index...
Page 167: ......