6 Message Communications
6-6
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
* The 7-segment indicator alternately displays the error and the master node address where the error occurred.
Error Indicators Unit status 1 Error his-
tory code
(Hex)
MS NS 7-segment
indicator*
Network power error No change Not lit E0 *_NetPwrErr
is 1.
0341
Send timeout E2 *_SendTimeo
utErr is 1.
0342
Routing table error Flashing
red
No change HC *_RTblErr is
1.
021A
Node address duplicated No change Lit red F0 *_NdAdrDupE
rr is 1.
0211
Bus Off detected F1 *_BusoffErr is
1.
0340
CPU Unit service monitoring error Flashing
red
Not lit HE –– 0002
Other CPU error H7 0006
Local node not part of network; cannot send No change No change No change –– 0101
No. of retries limit exceeded; cannot send 0103
Remote device busy; cannot send 0109
Header error; cannot send 0112
Reception buffer full; message destroyed 0117
Illegal message received; received message
destroyed
0118
Local node busy; cannot send 0119
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