ILX56-PBS
Operation
ControlLogix® Platform
User Manual
Page 43 of 87
Status and DPV0 Data Exchange
The DPV0 data is exchanged with Logix using the Class 1 Logix connection. The device-
specific tag contains all the input and output data fields, as well as important control and status
information.
Figure 4.3
– ILX56-PBS Slave Device-Specific tag
Tag
Description
Status
Online
This bit indicates if the device is online on the PROFIBUS network.
1
– Device is online
0
– Device is not online
DataExchangeActive
This bit indicates if the device is configured and exchanging data on the
PROFIBUS network.
1
– Device is active and exchanging data
0
– Device is not exchanging data
The user must ensure that all application code making use of data from
a slave device first checks that the
DataExchangeActive
bit is 1.
IdentMismatch
The device configured in the PLX50CU and the device at the configured
node address do not match because they have different ident numbers.
1
– Online device Ident does not match configured device
0
– Online device and configured device ident match
DisabledByOutputAssembly
This bit indicates if the device has not been enabled for data exchange
in the ILX56-PBS device enable control bits.
1
– Device has
not
been enabled for data exchange
0
– Device has been enabled for data exchange
DeviceError
This bit indicates an error with the device.
1
– Device has an error.
0
– Device has no error.