Index
(hex)
Subindex
(hex)
Object name
Default
value
Data range Unit
Data
type
Ac-
ces
s
I/O allo-
cation
Data
attrib-
ute
1000 --- NX Bus Identity --- --- --- --- --- --- ---
00 Number of Entries 7 7 --- USINT RO Not pos-
sible
---
02 Model
*1
--- --- AR-
RA
Y[0..1
1] OF-
BYTE
RO
Not pos-
sible
---
03 Device Type
*2
--- --- UDINT RO Not pos-
sible
---
04 Product Code
*3
--- --- UDINT RO Not pos-
sible
---
05 Vendor Code 0000000
1 hex
*4
--- --- UDINT RO Not pos-
sible
---
06 Unit Version
*5
--- --- UDINT RO Not pos-
sible
---
07 Serial Number
*6
00000000 to
FFFFFFFF
hex
--- UDINT RO Not pos-
sible
---
1001 --- Production Info --- --- --- --- --- --- ---
00 Number of Entries 2 2 --- USINT RO Not pos-
sible
---
01 Lot Number
*7
00000000 to
FFFFFFFF
hex
--- UDINT RO Not pos-
sible
---
02 Hardware Version
*8
--- --- AR-
RA
Y[0..1
9] OF
BYTE
RO
Not pos-
sible
---
*1. The product models are assigned in ascending order from the lowest number of array elements. Any remain-
der elements are filled with spaces.
*2. The device types are assigned for each product Unit type.
Bits 0 to 31: Device type
*3. The product codes are assigned for each product model.
Bits 0 to 31: Product code
*4. OMRON vendor code
*5. Bits 24 to 31: Integer part of the Unit version
Bits 16 to 23: Fractional part of the Unit version
Bits 0 to 15: Reserved
(Example) For Ver
. 1.0, 0100££££ hex
*6. A unique serial number is assigned for each product unit.
Bits 0 to 31: Serial number
*7. The year, month, and day of production are assigned to the “lot number”.
Bits 24 to 31: Date of production
Bits 16 to 23: Month of production
Bits 8 to 15: Year of production
Bits 0 to 7: Reserved
*8.
The hardware version is assigned in ascending order from the earliest number of array elements. Any remain-
der elements are filled with spaces.
Appendices
A-26
NX-series System Units User's Manual (W523)
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