BMECXM DTM Diagnosis
Original instructions
Overview
The Control Expert DTMs provides communication and status informations that is collected at polling intervals. To diagnose the operation of the CANopen application, use the BMECXM DTM.
NOTE: Control Expert DTMs are online diagnosis. To go online, refer to DTM Connections.
Prerequisites
CAUTION
MISINTERPRETATION OF DIAGNOSIS
Make sure that you are connected to the right BMECXM CANopen master module before diagnosing a CANopen slave device.
Failure to follow these instructions can result in injury or equipment damage.
To be able to connect the DTM to the BMECXM module:
Connect the DTM
Before you can open the diagnostics page, make the connection between the DTM for the target BMECXM module and the physical module:
Step
Action
1
Open the Control Expert DTM Browser (Tools → DTM Browser).
2
Find the name that is assigned to the BMECXM module.
3
Right-click on the module name
4
Scroll to Connect.
Accessing the DTM Diagnosis
Step
Action
1
Right-click the name that is assigned to your BMECXM module in the DTM Browser.
2
Scroll to Device Menu → Diagnosis to view the available diagnostics pages.
CXM Status Tab
The CXM Status tab shows an overview of the current status.
This table describes the status information for the following parameters:
Parameter
Type
Description
CXM Module Status
BYTE
Indicates the status of the module:
  • Initialization
  • Unconfigured
  • Configured
  • Connected Stop
  • Connected Run
  • Fallback
CANopen Bus Status
BYTE
Indicates the status of the CANopen bus:
  • Idle
  • No-Conf
  • Bus Off
  • Stopped
  • Pre-Operational
  • Operational
  • Clear
CANopen Health
BYTE
Indicates the status of the fieldbus:
  • Idle
  • Fieldbus error detected
  • Device fault detected
  • Device error detected
  • Device fault detected and error detected
Slave Live List Tab
The Slave Live List tab shows the slave diagnosis.
This table describes the color status of the LEDs as shown in the grid of the Slave Live List tab:
Color
General Device Status
White
CANopen node not used
Green
OPERATIONAL
Orange
PRE-OPERATIONAL
Red
ERR (Configured with fault)
Half Red/Orange
FAULT (Inoperative)
Half Orange/White
DISABLE (Configured)
Yellow
STOPPED
CXM Expert Diagnosis Tab
The CXM Expert Diagnosis tab displays parameters in hierarchical table, grouped by the following sections:
Group
Displays parameters available in ...
Info
Status
EIP Parameters
IO Connections
Fieldbus info
NOTE: When clicking the Reset button, all counter parameters are set to 0.