EtherCAT Communication
‑120‑
Table 5–12 ECAT card communication fault codes
Fault Code Possible Cause Solution Reset Mode
E16.52 The EEPROM of the
EtherCAT
communication card
is faulty.
1. If the programming or upgrading of the
communication card fails, program the
communication card again.
2. If this fault occurs during normal use, replace
the communication card.
When Fd‑06 is set to 1, auto
reset is performed.
When Fd‑06 is set to 0, you need
to manually reset the fault.
E16.53 The slave control
chip of the EtherCAT
communication card
is faulty.
1. If the programming or upgrading of the
communication card fails, program the
communication card again.
2. If this fault occurs during normal use, replace
the communication card.
E16.55 The EtherCAT
system parameters
are incorrect.
When the master station goes wrong, check
whether it sends the sync frame (Fd‑78). If not,
make sure that TPDO and RPDO have been
configured for the master PDO. If the master PDO
is configured correctly, check the network port
status (Fd‑72 to Fd‑77) and make sure that the
communication cable is connected properly.
E16.71 The master station
goes offline during
operation of the
communication
card.
Check whether the connection between the
communication card and PLC is in poor contact.
Make sure that they are properly connected.
E16.72 The internal slave
station goes offline
during operation of
communication
card.
Check whether the connection between the
communication card and power supply unit is in
poor contact. Make sure that they are properly
connected.
E16.74 The communication
card configuration is
incorrect.
Check whether the configured slave station exists
and ensure that startup with station lost is
disabled (Fd‑50 of the power supply unit is set to
0).
E16.75 The drive unit
mapping configured
by using the
communication card
is incorrect.
Check the process data and the number of
mapping relations configured for the drive unit,
and make sure that they match.
E16.76 The power supply
unit mapping
configured by using
the communication
card is incorrect.
Check the process data and the number of
mapping relations configured for the power supply
unit, and make sure that they match.
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