Elmomc CANopen DS 301 Implementation Guide Manual do Utilizador descarregar pdf (Página 89)

 Entry description:

Access Read only

PDO mapping Yes

Value range No

Default value No

 Byte stream:

The 32-bit number has the following structure:

Bits 31…24 23…16 15…8 7…0

Description

Network status CAN transmit

error counter

CAN receive

error counter

CAN receiver

flag

Bits 0 to 7 of the CAN receiver flag are as follows:

Bit Meaning Remarks

0 Not used

1 Overrun flag, set when data overrun

occurs

1: Data overrun detected

0: No data overrun

2 Bus off flag 1: CAN in bus off state

0: No bus off state

3 Transmitter error passive flag, set when

CAN enters error passive state due to

transmit error counter exceeding 127,

and bus off flag is clear

1: CAN in transmitter error

passive state

0: No transmitter error passive

state

4 Receiver error passive flag, set when

CAN enters error passive state due to

receive error counter exceeding 127,

and bus off flag is clear.

1: CAN in receiver error passive

state

0: No receiver error passive state

5 Transmitter warning flag 1: CAN in transmitter warning

state

0: No transmitter warning

6 Receiver warning flag 1: CAN in receiver warning state

0: No receiver warning state

7 Not used

Table 13-2: CAN Receiver Flag Bit 0…7

The CAN receive error counter (bits 8…15) reflects the status of the CAN receive

error counter. The CAN transmit error counter (bits 16…23) reflects the status of the

CAN transmit error counter.

The network status (bits 24…31) may be one of the following values:

5: Operational

127: Pre-operational

CANopen DS 301 Implementation Guide Manufacturer-specific Objects

MAN-CAN301IG (Ver. 2.1)

13-12

1 2 ... 84 85 86 87 88 89 90 91 92 93 94 ... 117 118

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