232 Ethernet module User’s Manual
Appendix G Change/correction function in a firmware
G
2 Reset request
Revision J If EN311 operation mode is "RUN", "STANDBY" or, "DOWN", a reset request
can be required from S-controller user program to EN311.
Before
Revision J
If EN311 operation mode is "RUN" or "STANDBY", a reset request can be
required from S-controller user program to EN311.
In down mode", EN311 returns "the completion timeout of transmitting" to the
reset request of S-controller user program.
3 Stand-by request
Revision J When a standby request is published from S controller user program to
EN311 of "run" mode, EN311 station status becomes stand-by (2000H), and
STBY LED turns on.
Before
Revision J
When a standby request is published from S controller user program to
EN311 of "run" mode, EN311 station status becomes stand-by (2000H), but
STBY LED does not turn on.
4 The interval of the standby request and a reset request (at the time of TCP socket use)
Revision J When requiring a standby request and a reset request continuously for
EN311 (using 8-TCP socket), it is not necessary to vacate the interval of a
standby request and a reset request.
Before
Revision J
When requiring a standby request and a reset request continuously for
EN311 (using 8-TCP socket), please vacate the interval of a standby demand
and a reset demand for 500ms.When that interval is short, the notice (FIN) of
a connection end may not be transmitted from the TCP socket of EN311.
5 MIB_IF counter
Revision J The MIB_IF [8] counter of EN311 is counted up only when the packet, which
received, is a format error.
Before
Revision J
In the following cases, a MIB_IF [8] counter is counted up.
- When the packet, which received, is a format error.
- Packet is transmitted normally.
Table G-1 Comparison of a firmware (before Revision J and Revision J)
No
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