DLG LMP-100, Руководство пользователя

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LMP-100
PROFIBUS/MODBUS GATEWAY
LMP-100 User Manual MAN-EN-DE-LMP100-01.00_14 Page 23 of 40
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Diagnostics
The LMP-100 provides diagnostic information, describing in detail its operation status. The
diagnostic information is encoded in 42 bytes, as shown below.
byte 0 bytes 1 and 2 byte 3 byte 4 ... byte 41
Diagnostic byte count Reserved Operation
diagnostics Rule R01 diagnostics ... Rule R38 diagnostics
Diagnostic is comprised of several conditions mapped into bits, where bits with value 1
indicate an alarmed condition.
Byte 0 indicates the number of available diagnostic bytes. The LMP-100 provides 42
diagnostic bytes.
Bytes 1 and 2 are reserved.
Byte 3 contains the Modbus rules overall diagnostics, encoded as shown in table 5.
Byte Bit Condition Description Comments
3
0 Reserved
1 Reserved
2 Reserved
3 Reserved
4 Reserved
5
Exception in Modbus
response
While processing the
Modbus rules, at least one
slave returned a response
with an exception.
The LMP-100 remains
in operation. It is
possible to check
which slaves produced
the exception by
checking the rule
specific diagnostics.
6
Timeout in Modbus
response
While processing the
Modbus rules, at least one
slave did not return a
response within the time
period specified by the
“Modbus response timeout”
parameter. The LMP-100 remains
in operation. It is
possible to check
which slaves produced
the exception by
checking the rule
specific diagnostics.
7 Error in Modbus response
While processing the
Modbus rules, at least one
slave returned a response The LMP-100 remains
in operation. It is
possible to check