A - 25
Appendices
NX-series EtherCAT Coupler Unit User’s Manual (W519)
A-5 CoE Objects
A
A-5-6 PDO Mapping Objects
The indexes from 1A00 to 1BF3 hex are for transmit PDO mapping objects for NX Units.
• For every NX Unit, four indexes are assigned in order from NX Unit number 1, as shown in the follow-
ing table.
Transmit PDO Mapping Objects for NX Units
Index
(hex)
Subin-
dex
(hex)
Object name Default Data range Unit
Data
attribute
Size Access
PDO
map-
ping
Com-
plete
access
1A00 to
1A03
--- 1st - 4th transmit
PDO Mapping
--- --- --- --- --- --- --- Possible.
00 Number of objects
in this PDO
Depends on
Unit.
00 to FF hex --- Depends
on Unit.
1 byte
(U8)
Depends
on Unit.
Not
possi-
ble.
---
01 to
FF
1st - 255th Input
Object to be
mapped
Depends on
Unit.
00000000
to
FFFFFFFF hex
--- Depends
on Unit.
4 bytes
(U32)
Depends
on Unit.
Not
possi-
ble.
---
1A04 to
01A07
--- 5th - 8th transmit
PDO Mapping
--- --- --- --- --- --- --- Possible.
00 Number of objects
in this PDO
Depends on
Unit.
00 to FF hex --- Depends
on Unit.
1 byte
(U8)
Depends
on Unit.
Not
possi-
ble.
---
01 to
FF
1st - 255th Input
Object to be
mapped
Depends on
Unit.
00000000
to
FFFFFFFF hex
--- Depends
on Unit.
4 bytes
(U32)
Depends
on Unit.
Not
possi-
ble.
---
--- --- --- --- --- --- --- --- --- --- ---
1BF0
to
1BF3
--- 496th - 500th trans-
mit PDO Mapping
--- --- --- --- --- --- --- Possible.
00 Number of objects
in this PDO
Depends on
Unit.
00 to FF hex --- Depends
on Unit.
1 byte
(U8)
Depends
on Unit.
Not
possi-
ble.
---
01 to
FF
1st - 255th Input
Object to be
mapped
Depends on
Unit.
00000000
to
FFFFFFFF hex
--- Depends
on Unit.
4 bytes
(U32)
Depends
on Unit.
Not
possi-
ble.
---
Index (hex) Object name Assignment
1A00 to 1A03 1st - 4th transmit PDO Mapping For the NX Unit with NX Unit number 1
1A04 to 1A07 5th - 8th transmit PDO Mapping For the NX Unit with NX Unit number 2
--- --- ---
1BF0 to 1BF3 496th - 500th transmit PDO Mapping For the NX Unit with NX Unit number 125
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