Delta AH500 - Page 424

AH500 Module Manual
10-62
Code
Indication
How to deal with
Method 2: No slave is configured in the scan
list. Download the empty configuration to
AH10DNET-5A by using the “Simulate online”
function. Finally, repower it.
FB
The data exchange between
AH10DNET-5A and AHCPU
fails.
If the error still exists after AH CPU and
AH10DNET-5A are repowered, send your
AH10DNET-5A back to the factory for repair.
E0
AH10DNET-5A has detected
that the node equipment on the
bus is different from that in the
scan list.
1. Check if the node address of the slave has
been changed.
2. Check if the node equipment on the bus has
been changed.
3. Configure the network again.
E1
The actual polled data length in
the slave is not consistent with
that set in the scan list.
1.
Check the actual IO data length of the slave.
(Please see section 10.9.2.)
2. Configure relevant slaves to the scanner
module again.
E2
The slave in the scan list is
offline or does not exist when in
master mode.
1. Check if the node address of the slave has
been changed.
2. Check if the network cable is connected
normally in case it is loose or cut.
3. Check if the bus communication cable
length exceeds the maximum transmission
distance. If it does, the system will no
longer keep stable. (See section 10.3.3.)
10DNET slave module is
disconnected to the IO of master
when in slave mode.
E3
AH10DNET-5A fails to transmit a
message.
1. Check if the connection between the scanner
module and network is normal
2. Ensure that the baud rates of the scanner
module and other node are same.
E4
An error detected in sequence of
fragmented I/O messages from
the slave device
Check if the slave is operating normally.
E5
The slave device returns error
messages when AH10DNET-5A
attempts to communicate with it.
Check if the slave is operating normally.
E6
The size of IO data returned
from the slave is greater than
that configured in the scan list.
Ensure that the IO data length of the slave is the
same as that configured in the scan list.
E7
AH10DNET-5A is checking if its
node address is repeated in that
of other node equipment on the
network
Please follow the methods below to shoot the
troubles if the error code appears for long.
1. Ensure that at least two nodes work normally
on the network.
2. Check if both ends of the network are
connected with 121 Ω terminal resistors
respectively.
3. Ensure that the baud rates of all node
equipment are same.
4. Check if the network cable is connected
normally in case it is loose or cut.
5. Check if the bus communication cable length
exceeds the maximum transmission
distance. The system may no longer keep
stable if the maximum distance is exceeded.
6. Check if the shielded wire in the network
communication cable is grounded.
7. Repower AH10DNET-5A.