PLX51-PBM
Operation
PROFIBUS DPV0/DPV1 Master or Slave to EtherNet/IP™ or Modbus® Gateway
User Manual
ProSoft Technology, Inc.
Page 114 of 196
PROFIBUS Diagnostics
The PLX51-PBM will flag to the user when new diagnostics have been received.
When new diagnostics have been flagged by the PLX51-PBM the user can extract
the diagnostics message from the PLX51-PBM by using EtherNet/IP unconnected
messaging (UCMM) or Class 3 connected messaging.
Notification
The PLX51-PBM will notify the user of pending diagnostics as shown below.
Master UDT
In the Status part of the PLX51-PBM tags (see
Logix Mapping
section) there is a tag
FieldDeviceDiagPending. This is an array of Boolean tags each of which represents
a node on the network. Below is a description of the tag.
Table 5.23
– PLX51-PBM Logix Tags Diagnostics Pending Indications
Tag
Description
FieldDeviceDiagPending
Indicates the nodes that have diagnostics pending on the local PROFIBUS
network. Each bit represents a node. When the specific bit is set ‘1’ then the
device has diagnostics pending that must be unloaded and when the bit is
off ‘0’ the device does not have any diagnostics pending.
Bit 0
– Node 0 has diagnostics pending
Bit 1
– Node 1 has diagnostics pending
Bit 126
– Node 126 has diagnostics pending
Field Device UDT
In the Status part of the Device UDT (see
Logix Mapping
section) there is a tag
DiagnosticsPending. Below is a description of the tag.
Table 5.24
– PLX51-PBM UDT Diagnostics Pending Indications
Tag
Description
DiagnosticsPending
Indicates the device has diagnostics pending on the local PROFIBUS
network. When the specific bit is set ‘1’ then the device has diagnostics
pending that must be unloaded and when the bit is off ‘0’ the device does
not have any diagnostics pending.
0
– The node has diagnostics pending
1
– The node has diagnostics pending
