41
Basic Specifications of Slave Units
Section 3-1
NS (Network Status): Indicates the status of communications with a two-color
LED (green/red).
Note
When flashing, indicators are lit for 0.5 s and not lit for 0.5 s.
Name
Indicator status
Node/communications
status
Meaning
MS
Lit green.
Normal status
The Unit is operating normally.
Lit red.
Fatal error
A hardware error has occurred in the Unit. The watchdog
timer has timed-out.
Flashing red.
Non-fatal error
There is an error in the switch settings.
Not lit.
Power OFF or Startup
The power supply is OFF, the Unit is being reset, or the Unit
is being initialized.
NS
Lit green.
Online and participating
Tag data link communications have been established and
normal communications are in progress.
Flashing
green.
Online but not participat-
ing
Normal communications are in progress, but tag data link
communications have not been established.
Lit red.
Fatal communications
error
The address is set out of range.
The same address has been set for more than one node.
Flashing red.
Non-fatal communications
error
Communications has timed out.
Not lit.
Power OFF or offline
The power supply is OFF or the cable is not connected.
Summary of Contents for ERT1 Series
Page 1: ...OPERATION MANUAL Cat No W481 E1 02 EtherNet IP Slave Units ERT1 Series...
Page 2: ......
Page 3: ...ERT1 Series EtherNet IP Slave Units Operation Manual Revised November 2010...
Page 4: ...iv...
Page 6: ...vi...
Page 8: ...viii...
Page 14: ...xiv...
Page 58: ...38 Recommended Network Devices Section 2 2...
Page 62: ...42 Basic Specifications of Slave Units Section 3 1...
Page 78: ...58 Screw less Clamp Terminals Section 4 2...
Page 92: ...72 Environment resistive Slave Units Section 5 2...
Page 102: ...82 Maintenance and Replacement Section 7 3...
Page 106: ...86 Revision History...
Page 107: ......