Inovance MD520 Series - Page 142

EtherCAT Communication
‑141‑
Table 6–7 Troubleshooting
Symptom
Possible Cause Solution
Communi
cation
failure
between
the
MD500‑
ECAT
card and
AC drive
The D1
indicator
on the
ECAT card
is steady
off.
1. The AC drive does
not support the
MD500‑ECAT card.
1. Check whether the AC drive supports
the MD500‑ECAT card.
2. The
communication
configuration of the
MD500‑ECAT card is
incorrect.
2. Set F0‑28 to 1.
3. The MD500‑ECAT
card hardware is
faulty.
3. Replace the MD500‑ECAT card.
Err164
communi
cation
error
reported
by the AC
drive
during
running
The D1
indicator
on the
ECAT card
is steady
off.
1. The
communication data
is abnormal.
1. Check whether the EtherCAT master
program is normal.
2. The network cable
is damaged or
connected incorrectly.
2. Check whether the network cable is
connected correctly. Replace the network
cable if required.
3. The AC drive suffers
external interference.
3. Use the Cat5e STP network cable as
required. Check that the MD500‑ECAT
card is grounded correctly. Eliminate the
external interference. Contact the
technical support personnel if necessary.
The D4
indicator
on the
ECAT card
is blinking
green.
The card works in
PREOP/SAFEOP
mode.
Check the configuration. Check whether
the AC drive supports the MD500‑ECAT
card and whether F0‑28 is set to 1. Check
whether the network port is connected
correctly.
The D4
indicator
on the
ECAT card
is steady
off.
The master is not
connected or the card
works in initial mode.
Check whether the master and upstream
network port are connected correctly.
The D7
indicator
on the
ECAT card
is steady
red.
An ESC internal
exception occurs.
Contact Inovance for technical support.
The MD500‑ECAT card can be replaced directly when the slave node is faulty (only
when the MD500‑ECAT card is faulty) without device configuration again.
The prerequisites for directly replacing the MD500‑ECAT card are as follows: