Chapter 13 Warning CodesC2000 Plus
ID No. Display on LCD Keypad Warning Name Description
85
EtherNet/IP over
(ECo1)
Ethernet/IP exceeds maximum communication value
Action and Reset
Action condition Hardware detection
Action time Immediately acts
Warning setting parameter N/A
Reset method Manual reset
Reset condition Immediately resets
Record N/A
Cause Corrective Actions
The Master communication value
is more than the allowable quantity
of the communication card
Reduce Master communication value
The upper unit is online without
communicating, and does not
break off the Modbus TCP link,
causes occupy connection
Revise program of upper unit, the communication should be break off when it is
not used for a long time
A new Modbus TCP connection is
built every time when the upper
unit is connected to the
communication card, which
caused occupy connection
Revise program of upper unit: use the same Modbus
connected to the same communication card
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