BMECXM DTM Diagnosis

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:

Enable the access control of the PC that supports the DTM in the Security tab.
Declare its IP address as Source IP Address in the Channel Properties of the Ethernet master DTM screen.

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	DIAG_FXM_Diagnostic (object 301 hex)
Status	DIAG_FXM_Diagnostic (object 301 hex)
EIP Parameters	EIP Interface Diagnostic (object 350 hex)
IO Connections	IO Connection Diagnostic (object 352 hex)
Explicit Messaging	EtherNet/IP Explicit Connection Diagnostic (object 353 hex)
Fieldbus info	DIAG_FXM_Diagnostic (object 301 hex)

NOTE: When clicking the Reset button, all counter parameters are set to 0.