![background image](http://html1.mh-extra.com/html/ifm/ecomat-300-ac1421/ecomat-300-ac1421_device-manual_3914776157.webp)
157
ifm
Device Manual SmartSPS AC14 with EtherNet/IP interface (AC1421, AC1422), Firmware 3.1.2
2015-11-30
Appendix
Fieldbus EtherNet/IP
Cyclic data
17451
Cyclic data is transferred in dynamic assembly objects:
Object
class
[dec]
Instance
[dec]
Attribute
[dec]
Content
Access
r = read
w = write
max.
no. of
words
4
100
3
Cyclic data from AC142n to the I/O scanner (EtherNet/IP slots 1, 3, 5,
7, 9, 10, 13, 14)
r
max.
248
4
150
3
Cyclic data from the I/O scanner to AC142n (EtherNet/IP slots 2, 4, 6,
8, 11, 12, 15)
r/w
max.
248
>
Acyclic data
17548
Acyclic data is transferred in manufacturer-specific objects:
Object
class
[dec]
Instance
[dec]
Attribute
[dec]
Content
Access
r = read
w = write
max.
no. of
words
801
1
1
Acyclic data sets (system)
r
248
32 ... 47
Acyclic data sets (AS-i master 1)
r/w*
248
64 ... 79
Acyclic data sets (AS-i master 2)
r/w*
248
801
1
30
Command request channel, system
r/w
248
31
Command reply channel, system
r
248
801
1
62
Command request channel, AS-i master 1
r/w
248
63
Command reply channel, AS-i master 1
r
248
801
1
94
Command request channel, AS-i master 2
r/w
248
95
Command reply channel, AS-i master 2
r
248
* ... depends on acyclic data set (
→
Overview: Acyclic data sets
(
→ page