Dd - can controller status – ElmoMC SimplIQ Command Reference User Manual

Page 41

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DD - CAN Controller Status

Purpose:
Returns the status of the CAN controller as a string in hexadecimal form without a “0x”
prefix. DD is valid only for drives that support CAN controllers.

Call DD if you:
ƒ

Suspect that the CAN controller is in Bus Off (no communication) mode

ƒ

Suspect that there are many error frames on the CAN bus

ƒ

Wish to monitor the CAN controller error activities

The DD command reflects object 0x2082 (refer to the Elmo CANopen Implementation

Guide for more information).

DD value reports:
ƒ

CAN receiver flag, indicating the following states:

ƒ

Overrun

ƒ

Bus off

ƒ

Transmitter error

ƒ

Receiver error

ƒ

Transmitter warning

ƒ

Receiver warning

ƒ

CAN receive error counter, reflecting the status of the MSCAN receive error counter

ƒ

CAN transmit error counter, reflecting the status of the MSCAN receive error counter

ƒ

Network status, which may be one of the following values:

ƒ

1: Disconnected

ƒ

2: Connected

ƒ

3: Preparing

ƒ

4: Stopped

ƒ

5: Operational

ƒ

127: Pre-operational

All data is received from the hardware.

Attributes:

Type:

Status report, String

Overloaded: No
Source: RS-232,

CANopen

Restrictions: None
Unit modes: All

SimplIQ

Command Reference Manual

Alphabetical Listing

MAN-SIMCR (Ver. 4.5)

3-28

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