Object 0x1012: cob-id time stamp, Object 0x1012: cob-id time stamp -9 – ElmoMC CANopen DS 301 Implementation Guide User Manual
Page 60

Object description:
Index 1011h
Name Restore
parameters
Object code
RECORD
Data type
UNSIGNED32
Category Optional
Entry description:
Sub-index 0
Description
Largest supported sub-index
Entry category
Mandatory
Access Read
only
PDO mapping
No
Value range
UNSIGNED8
Default value
1
Object 0x1012: COB-ID time stamp
This object defines the COB-ID of the Time Stamp object (TIME). It also indicates whether
the devices consumes or generates the TIME. The structure of the object is as follows:
MSB
LSB
Bits
31 30 29 28
-
11
10 - 0
11-bit ID
0/1
0/1
0
000000000000000000 11-bit
identifier
29-bit ID
0/1
0/1
1
29-bit identifier
Description of COB-ID time stamp entry:
Bit Number
Value
Meaning
31 (MSB)
0
1
Devices does not consume TIME message
Device consumes TIME message
30 0
1
Device does not produce TIME message
Device produces TIME message
29 0
1
11-bit ID (CAN 2.0A)
29-bit ID (CAN 2.0B)
28 - 11
0
X
If bit 29 = 0
If bit 29 = 1: bits 28 - 11 of 29-bit TIME COB-ID
10 - 0 (LSB)
X
Bits 10 - 0 of TIME COB-ID
Bits 29 and 30 are static (unchangeable). The value of this object cannot be modified.
Writing the default COB-ID of the time stamp will not cause an abort code.
CANopen DS 301 Implementation Guide
Device-specific Objects
MAN-CAN301IG (Ver. 2.1)
12-9