6 Implemented EtherNet/IP objects
6.2 Manufacturer-specific object classes
SmartWire-DT Gateway EU5C-SWD-EIP-MODTCP 08/17 MN120003Z EN www.eaton.com 67
Acyclic data transfer
Gateway object 0x64 is also used to acyclically access the data of individual
SmartWire-DT modules. Instance attributes 0x71 to 0x74 are used for this
purpose.
Instance attributes
Table 17: Instance attributes of gateway object 0x64; extract from → Table 14
Error messages for acyclic data communications
Table 18: Error messages; possible values of instance attribute 0x74,
gateway object 0x64
Attribute
number
Attribute
Name
Get/Set Data type Description &Value
...
113 (0x71) INDEX G/S USINT Object index for acyclic data See note
114 (0x72) DATA G/S ARRAY of
USINT
Data for reading or writing acyclic
data
115 (0x73) LENGTH G/S USINT Length of the acyclic read/write
data
116 (0x74) ERROR G UINT Error Message see →
Table 18,
page 67
→
The number and meaning of the available object indexes are
described in the "SmartWire-DT Modules IP20", MN05006001Z
manual.
&Value Status Description
0x0000 OK no error
0x00BB Pending Acyclic data transfer running
0xFExx Error 0xfe 3e : SmartWire-DT module address invalid
0xfe a0 : Read error
0xfe a1 : Write error
0xfe a2 : SmartWire-DT module error
0xfe b1 : invalid length
0xfe b2 : invalid index
0xfe b6 . Unallowed access
0xfe b7 : invalid area
0xfe b8 : invalid part no.
0xFFF2 Busy Acyclic channel is busy
0xFFF3 TimedOut Communications monitoring time has elapsed
(timeout)
0xFFF4 Com error Communication fault
0xFFF5 Not present SmartWire-DT module not available
0xFFF6 Permission denied Access prohibited
0xFFF7 Buffer size too small Buffer size (attribute 0x73) is too small for data