A - 3
A Appendix
GX-series EtherCAT Slave Unit User’s Manual
A-1 Object Dictionary
A
A-1-3 Object Description Format
In this manual, objects are described in the following format.
The following values are indicated within the pointed brackets <>.
A-1-3 Object Description Format
Object description format
<Index> <Object name>
Range: <Setting range> Unit: <Unit> Default: <Default setting> Attribute: <Data attribute>
Size: <Size>
Access: <Acces
s>
PD
O map: <Possible/Not possible>Object description format with sub-indexes
<Index> <Object name>
Sub-index 0
Range: <Setting range> Unit: <Unit> Default: <Default setting> Attribute: <Data attribute>
Size: <Size>
Access: <Acces
s>
PD
O map: <Possible/Not possible> •
•
•
Sub-index N
Range: <Setting range> Unit: <Unit> Default: <Default setting> Attribute: <Data attribute>
Size: <Size>
Access: <Acces
s>
PD
O map: <Possible/Not possible>Indexes : An object index given by a four-digit hexadecimal number
Object name : The object name
Range : The possible range of settings
Unit : Physical unit
Default : Default value set before product shipment
Attribute : The data attribute of a writable object
The data attribute is given in the following format.
* (: Indicates the timing when a change is applied.)
(*: Indicates whether the data is saved to non-volatile memory.)
Timing When a Change Is Applied
A: Enabled at any time.
B: Enabled when moving from count stop status to operation status (Encoder Input
Slave Units only).
C: Enabled when moving from Pre-Operational state to Safe-Operational state.
D: Enabled when moving from Pre-Operational state to Init state.
R: Enabled when power is reset.
-: Read-only
Saving to Non-volatile Memory
With asterisk (*): Saved to non-volatile memory.
Without asterisk (*): Not saved to non-volatile memory.
Size : The object size is given in bytes
Access : Indicates whether the object is read only, or read and write
RO: Read only
RW: Read and write
PDO map : Indicates the PDO mapping possibility
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