3 ETHERNET INTERFACE MODULE REPLACEMENT
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(1) Parameter registration to E
2
PROM
As the Q series Ethernet internet module does not have an E
2
PROM, delete the sequence program of
the section corresponding to parameter registration to E
2
PROM.
On the Q series Ethernet interface module, set the GX Developer network parameters to save
parameters to the programmable controller CPU.
(2) Initial processing/end processing
Initial processing using GX Developer network parameters cannot be used jointly with initial processing/
end processing using the sequence program.
When using GX Developer network parameters, delete processing by the sequence program.
(3) Open processing/close processing
Do not use open processing/close processing using I/O signals with open/close processing using
dedicated instructions (OPEN/CLOSE) in the same connection.
(4) Passive open processing
The Q series Ethernet interface module cannot cancel open requests before an open end after passive
open processing is executed.
Perform close processing after an open end.
(5) Communications using fixed buffer
Do not use fixed buffer communication using I/O signals and fixed buffer communication using
dedicated instructions (BUFSND/BUFRCV/BUFRCVS) in the same connection.
(6) About processing time
The data communications processing time differs on the A/AnS/QnAQnAS series modules and Q series
modules.
For this reason, the data communications timing, etc. also differ. If necessary, adjust the timing by
inserting a wait time, for example.
For actual details on processing times, refer to the manual for the respective module.
(7) Replacement of the 10BASE5/10BASE2 with the 100BASE-TX/10BASE-T
The A/AnS/QnA/QnAS series 10BASE5/10BASE2 module can be also replaced with the Q series
100BASE-TX/10BASE-T module. Note that a media converter is required. For details, refer to the
following TECHNICAL BULLETIN.
TECHNICAL BULLETIN No. FA-A-0075 "Production discontinuation of the AnS and QnAS series
Ethernet interface modules"
3.8 Other Precaution
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