Delta AH500 - Page 729

AH500 Programming Manual
7-10
Error code Description
CPU
Status
LED indicator
status
ERROR
BUS
FAULT
16#630A
The module ID or the setting of the module is
different from the setting in the Ether Link.
Continue Blinking
Keep
16#630B
The setting of the netmask address for the
CPU or the module is different from the setting
in the Ether Link.
Continue Blinking Keep
16#6400
The number of TCP connections reaches the
upper limit, or the flag which is related to the
sending of the data is not set to ON.
Continue
Keep
Keep
16#6401
The remote device aborts the connection.
Continue
Keep
Keep
16#6402
There is no response from the remote device
after the timeout period.
Continue
Keep
Keep
16#6403
The remote IP address used in the applied
instruction is illegal.
Continue
Keep
Keep
16#6404
The MODBUS function code not supported is
received.
Continue
Keep
Keep
16#6405
The number of data which will be received is
not consistent with the actual length of the
data.
Continue
Keep
Keep
16#6500
An error occurs when a data exchange
function is initialized. (SM699)
Continue Blinking OFF
16#6501
A remote device does not respond after a
timeout. (SM828-SM955)
Continue OFF OFF
16#6502
The packet with which a remote device replies
is incorrect. (SM828-SM955)
Continue OFF OFF
16#6700
An error occurs when a Modbus TCP data
exchange is initialized.
Continue Keep Keep
16#6701
Modbus TCP data exchange timeout
Continue
Keep
Keep
16#6702
The data received by means of a Modbus
TCP data exchange is incorrect.
Continue Keep Keep
16#7002
The CPU module does not support the
function.
Continue Keep Keep
16#7203
Invalid access code
Continue
Keep
Keep
16#7401
Function code error
Continue
Keep
Keep
16#7402
The size of a packet exceeds the maximum
data length.
Continue Keep Keep
16#7404
Packet format error
Continue
Keep
Keep
16#7405
The number of bytes is incorrect.
Continue
Keep
Keep
16#7406
Checksum error
Continue
Keep
Keep
16#7407
There are non-ASCII characters in a
command.
Continue Keep Keep
16#7408
The PLC is running.
Continue
Keep
Keep
16#740A
Data is being written to the memory in the
PLC or data fails to be written to the memory
in the PLC.
Continue Keep Keep
16#740B
The CPU module is being reset, or the values
in the laching devices are being cleared.
Continue Keep Keep
16#740C
The backplane number in a communication
command is incorrect.
Continue Keep Keep
16#740D
The slot number in a communication
command is incorrect.
Continue Keep Keep
16#740E
An error occurs when the the data in the
memory in the PLC is cleared.
Continue Keep Keep
16#740F
Communication timeout
Continue
Keep
Keep