Appendices
A - 22
NX-series EtherCAT Coupler Unit User’s Manual (W519)
The indexes from 1600 to 17F3 hex are for receive 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.
PDO Mapping Objects for NX Units
Index
(hex)
Sub-
index
(hex)
Object name Default Data range Unit
Data
attribute
Size Access
PDO
map-
ping
Com-
plete
access
1600 to
1603
--- 1st - 4th receive 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 Output
Object to be mapped
Depends
on Unit.
00000000
to
FFFFFFFF hex
--- Depends
on Unit.
4 bytes
(U32)
Depends
on Unit.
Not
possi-
ble.
---
1604 to
1607
--- 5th - 8th receive 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 Output
Object to be mapped
Depends
on Unit.
00000000
to
FFFFFFFF hex
--- Depends
on Unit.
4 bytes
(U32)
Depends
on Unit.
Not
possi-
ble.
---
--- --- --- --- --- --- --- --- --- --- ---
17F0 to
17F3
--- 496th - 500th receive
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 Output
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
1600 to 1603 1st - 4th receive PDO Mapping For the NX Unit with NX Unit number 1
1604 to 1607 5th - 8th receive PDO Mapping For the NX Unit with NX Unit number 2
--- --- ---
17F0 to 17F3 496th - 500th receive PDO Mapping For the NX Unit with NX Unit number 125