Functional description
Table 3.2-2: Error codes of the USM part 2
Error code
Error
Note
42
Extension address multiple
In cascaded systems
Master generates the error when a slave is set to
address "0”
Slave generates the error if another slave with the same
address transmits. There are two Slave devices with the
same address.
48
Wire break 4
– 20 mA
sensor
If the measuring mode of an analog input is set to 4 - 20 mA, this
error is displayed in case of a wire break. A wire break is
detected if the current is less than 3.6 mA.
63
IEC 104 Client connection
A configured IEC server cannot be reached by the client or does
not send any data.
64
Ethernet connection 1 (X8)
Ethernet connection faulty - Check the Ethernet cable at the USM
and the remote terminal (switch).
65
Ethernet connection 2 (X98)
67
IEC104 Client GA
incomplete
The IEC server can be reached by the client, but the general
interrogation returns incomplete data. - Check the configuration in
the server.
68
NTP connection
Connection to NTP-Server disturbed.
The error is generated if neither of the two parameterizable NTP
servers is accessible within 10 minutes.
To facilitate commissioning, this error is signaled after only 10
seconds after switching on the voltage or accepting a changed
parameterization.