HMS Anybus HMS-EN2MB-R, User Manual, Page: 37 / 72

Appendix A: Data Transactions 35 (70)
The transaction status list is always accessible to the PLC on the EtherNet/IP network using
acyclic parameter access.
The transaction status list contains a byte array with 64 elements. Each byte contains a
transaction status code according to the table below.
The indexes in the transaction status list correspond completely to the indexes in the transaction
live list.
Byte 0 Byte 1 Byte 2-6 Byte 7 Byte 8 - 55 Byte 56-62 Byte 63
Status of
transaction no
0 Status of
transaction no
1 Status of
transaction no
2-6 Status of
transaction no
7
...
Status of
transaction no
56-62 Status of
transaction no
63
Transaction Status Codes
Transaction Status Code Description
0 Running ok
1
Gateway idle
2
No link
3 Modbus exception
4 Timeout
5 Linking device disconnect
6 Server disconnect
7 Cannot connect
8 Modbus header error
9
Internal device error
10 No valid data
11 Stop sending data to Modbus server
12
Unconfigured transaction
A.6 Exception Code List
If a failure occurs during a transaction between the linking device and a Modbus-TCP server, the
Modbus-TCP server may respond with an exception code.
The exception code list is always accessible to the PLC on the Ethernet/IP network using acyclic
parameter access .
The exception code list contains a byte array with 64 elements. Each byte contains a transaction
exception code defined in the table below. The indexes in the exception code list correspond to
the indexes in the transaction live list.
Byte 0 Byte 1 Byte 2-6 Byte 7 Byte 8-55 Byte 56-62 Byte 63
Exception code
for transaction
no 0 Exception code
for transaction
no 1 Exception code
for transaction
no 2 - 6 Exception code
for transaction
no 7 Exception code
for transaction
no 8 - 55 Exception code
for transaction
no 56 - 62 Exception code
for transaction
no 63
Standard Modbus Exception Codes
Exception Code Description
00 No error
01
Illegal function
02 Illegal data address
03 Illegal data value
04
Slave device failure
05
Acknowledge
06 Slave device busy
Linking Device User Manual
scm-1202–181 2.0 en-US