Delta AH500 series Manual Page 278

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AH500 Hardware Manual
9-14
Error
code
Description Remedy
16#6401
The remote device aborts the
connection.
Check whether the remote device support the Modbus
port (502).
16#6402
There is no response from the
remote device after the timeout
period.
Check whether the remote device operate normally.
16#6403
The remote IP address used in the
applied instruction is illegal.
Check whether the program is correct.
16#6404
The Modbus function code not
supported is received.
Check the command transmitted from the remote
device.
16#6405
The number of data which will be
received is not consistent with the
actual length of the data.
Check the command transmitted from the remote
device.
16#6500
The initialization of the data
exchange fails. (SM699)
Check whether the sum of the number of Modbus TCP
data exchange blocks and the number of the Ether Link
data exchange blocks exceeds the system
specifications, and download the setting again.
16#6501
The remote device involved in the
data exchange does not respond
after the timeout period.
(SM828~SM955)
Check the device whose connection number
corresponds to the error flag, and check whether it is
connected normally.
16#6502
The remote device involved in the
data exchange does not respond
correctly. (SM828~SM955)
Check the device whose connection number
corresponds to the error flag, and check whether it is
connected normally.
16#6600
The network number which
receives the command exceeds
the range.
Check the command transmitted from the remote
device.
16#6601
The network is undefined in the
network configuration parameter.
Check the network configuration in NWCONFIG, and
download it again.
16#6604
The number of routing connections
reaches the upper limit.
Resend the packet later. ((This error does not cause the
PLC to stop running. Users can perform the
corresponding remedy by means of the related flag in
the program.)
16#6605
The unexpected packet is
received.
Check the command transmitted from the remote
device.
16#6606
There is a routing response
timeout.
1. Check the network configuration in NWCONFIG.
2. Check whether the setting of the communication
timeout conform to the practical application.
16#8105
The contents of the program
downloaded are incorrect.
The program syntax is incorrect.
1. Check whether the program syntax which is not
supported by the CPU module is used, and check
whether the version of the firmware has its special
limitation.
2. Check whether the version of ISPSoft used to create
the program is the same as the version of ISPSoft
used now.
16#8106
The contents of the program
downloaded are incorrect.
The length of the execution code
exceeds the limit.
1. Shorten the length of the program, and download the
program again.
2. Check whether the version of ISPSoft used to create
the program is the same as the version of ISPSoft
used now.
16#8107
The contents of the program
downloaded are incorrect.
The length of the source code
exceeds the limit.
1. Shorten the length of the program, and download the
program again.
2. Check whether the version of ISPSoft used to create
the program is the same as the version of ISPSoft
used now.
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