12
Objects
The available objects are marked via Index/Subindex and are to be addressed via this
identification. This chapter describes all available objects.
12.1
Objects tabular overview
The objects are displayed in the next tables. The following definitions apply:
Access type
Read only
The PLC is only allowed to read the data from the ACU.
Read/write
The PLC is granted full access (read and write) to the ACU data.
Data type
Unsigned32
32 Bit value:
0…2
32
-1
0…0xFFFF FFFF
Unsigned16
16 Bit value:
0…2
16
-1
0…0x FFFF
(0…65535)
Unsigned8
8 Bit value:
0…2
8
-1
0…0xFF
(0…255)
Integer32
Signed 32 Bit value: -2
31
…2
31
-1
0x8000 0000…0x7FFF FFFF
Integer16
Signed 16 Bit value: 2
15
…2
15
-1
0x8000…0x7FFF
(-32768…32767)
Integer8
Signed 8 Bit value: - 2
7
…2
7
-1
0x80…0x7F
(-128…127)
Visible String
String up to 99 characters long. Transmission via Segment-
ed Transfer.
PDO mapping
No
This object cannot be used for PDO exchange, only SDO is appli-
cable.
Tx
This object can be transmitted as PDO from ACU.
Rx
This object can be transmitted as PDO to ACU.
“Highest Sub-index supported” displays the highest Sub-index that is supported by
this object.
12.1.1
Communication objects
Index
SubIndex
Name
SDO Access
Data type
PDO-mapping
0
Device type
Read only
Unsigned32
No
0
Error register
Read only
Unsigned8
No
0
COB-ID SYNC object
Read/write
Unsigned32
No
0
Communication cycle period
Read/write
Unsigned32
No
0
Synchronous window length
Read/write
Unsigned32
No
0
Manufacturer device name
Read only
Visible string
No
0
Manufacturer hardware
version
Read only
Visible string
No
0
Manufacturer software
version
Read only
Visible string
No
0
Guard time
Read/write
Unsigned16
No
0
Life time factor
Read/write
Unsigned8
No
Store parameters
0
Highest sub-index supported
Read only
Unsigned8
No
1
Save all parameters
Read/write
Unsigned32
No
2
Save communication pa-
rameters
Read/write
Unsigned32
No
3
Save application parameters
Read/write
Unsigned32
No
04/13
CM-CAN ACU
45
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