ECI0032 Network IO Control Card User Manual V1.5
2.
Check
the
master-slave
configuration,
communication speed configuration, etc.
3.
Check the DIP switch to see if there are multiple
expansion modules with the same ID.
4.
Use twisted-pair cables, ground the shielding layer,
and use dual power supplies for severe interference
(the main power supply of the expansion module and
the IO power supply are separately powered)
Fail to connect controller
to PC through net port.
1.
Check IP address of PC, it needs to be at the same
segment with controller IP address.
2.
Check controller IP address, it can be checked and
captured after connection through serial port.
3.
When net port led is off, please check wiring.
4.
Check whether controller power led POWER and
running indicator led RUN are ON normally.
5.
Check whether the cable is good quality, change one
better cable to try again.
6.
Check whether controller IP conflicts with other
devices.
7.
Check whether controller net port channel ETH are all
occupied by other devices, disconnect to other
devices, then try again.
8.
When there are multiple net cards, don’t use other net
cards, or change one computer to connect again.
9.
Check PC firewall setting.
10.
Use “
Packet Internet Groper
” tool (Ping), check
whether controller can be Ping, if it can’t, please
check physical interface or net cable.
11.
Check IP address and MAC address through arp-a.
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