Rockwell Automation 1788-EN2DN Ethernet-to-DeviceNet Linking Device User Manual
Page 38
38 Ethernet-to-DeviceNet Linking Device
Rockwell Automation Publication 1788-IN055C-EN-P - September 2011
Status Assembly Format
Byte
Offset
Size in
Bytes
Data
Type
Name (RSLogix 5000
software version 13
or later)
Description
0
4
UDINT
Scan Counter
The number of DeviceNet I/O scans
that have taken place since power
was applied to the linking device.
4
8
64-bit
Bitstring
Device Failure Register
Indicates which DeviceNet slaves are
faulted. Each bit represents the status
of the slave at the corresponding MAC
ID.
12
8
64-bit
Bitstring
Auto Verify Failure
Register
Indicates which DeviceNet slaves are
the incorrect device type. Each bit
represents the status of the slave at
the corresponding MAC ID.
20
8
64-bit
Bitstring
Device Idle Register
Indicates which DeviceNet slaves are
in Idle mode. Each bit represents the
status of the slave at the
corresponding MAC ID.
28
8
64-bit
Bitstring
Active Node Register
Indicates which DeviceNet nodes are
configured in the 1788-EN2DN’s scan
list. Each bit represents the status of
the slave at the corresponding MAC
ID.
36
4
ASCII[4]
Status Display
Mimics a 4-character alpha-numeric
display. If there are no faults, the
display shows the linking device’s
MAC ID and its Run/Idle status.
If there are faults, the display will
scroll through the MAC IDs of the
faulted nodes and display the error
code associated with each.
40
1
USINT
Scanner Address
The DeviceNet MAC ID of the linking
device.
41
1
USINT
Scanner Status
The current status of the DeviceNet
scanner.