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Chapter 4
Configuration
MAN_105G_1.5
Page
68
Supported Exception codes
Exception Name Description
Code
01
Illegal function
The module does not support the function code in the query
02
Illegal data address
The data address received in the query is outside the
initialised memory area
03
Illegal data value
The data in the request is illegal
Connect Timeout
The Connect Timeout parameter in the Modbus TCP section of the display refers to the
Modbus TCP functionality of the module. If a TCP connection to the module has not been
active for this amount of time, the 105G will timeout and disconnect that connection. Note
that there can be several active connections at the same time - only the inactive connection
will be disconnected.
4.9.4
Ethernet/IP
Ethernet/IP (Ethernet Industrial Protocol) is based on the Control and Information Protocol
(CIP), which is also the framework for both DeviceNet and ControlNet, to carry and exchange
data between nodes. The Ethernet/IP implementation is a Level 2 I/O Server, which means
that the module will respond to both explicit and IO messages but requires that an Ethernet/IP
client initiate IO connections. For additional information on the Ethernet/IP protocol see
www.ethernet-ip.org and www.odva.org. The rest of this section assumes the reader is
familiar with Ethernet/IP.
If you use the 105U-G with a PLC, the PLC will require an EDS file so it can recognise the
Ethernet/IP interface in the 105U-G. This file loads into the PLC. The file is available on the
same CD as the configuration software.
Implemented Objects:
EtherNet/IP requires some mandatory objects; these are implemented as well as some vendor
specific objects. The mandatory objects are the ones in the specification from ODVA.
The following vendor specific objects are implemented:
• I/O data input mapping object, Class A0h
• I/O data output mapping object, Class A1h
The 105G will support up to 6 produced IO connections and 6 consumed IO connections. The
maximum individual connection size is 512 bytes. Ethernet/IP interface to these IO
connections is made available in the mandatory Ethernet/IP ‘Assembly Object’ (class 04h) as
vendor specific instance attributes 64h-69h for produced IO (i.e. IO data configured using
fieldbus
write
commands) and 96-9Bh for consumed IO (i.e. IO data configured using
fieldbus
read
commands). The same IO are also available in the vendor specific objects I/O
data input mapping object (class A0h) and IO data output mapping object (class A1h)
respectively as instance attributes 1 – 6. (See Object Specifications below)
To make I/O data available via Ethernet/IP, ensure that the Enable Ethernet/IP checkbox on
the Ethernet Settings page is checked. Data bus links need to be configured to link the
required I/O registers to the Ethernet bytes, as described above in the Profibus and