![IFM Ecomat 300 AC1421 Device Manual Download Page 180](http://html1.mh-extra.com/html/ifm/ecomat-300-ac1421/ecomat-300-ac1421_device-manual_3914776180.webp)
180
ifm
Device Manual SmartSPS AC14 with EtherNet/IP interface (AC1421, AC1422), Firmware 3.1.2
2015-11-30
Appendix
Fieldbus EtherNet/IP
>
Derivation of parameter values for free slave assignment
17744
The following table shows the derivation of parameter values for a free assignment of slaves within the
analogue areas.
A free assignment of analogue slaves in slots 9...12 can only be applied if the parameters
[C.Analogue channels IN] and [C.Analogue channels OUT] are set to the value
4 channels
!
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
AS-i 2
AS-i 1
Reserved
Slave address (1...31)
Legend:
Master:
AS-i master 1 = 0x40
AS-i master 2 = 0x80
Slave:
Slave 1 = 0x01
...
Slave 31 = 0x1F
Derivation:
byte value = slave (
→
Examples
(
→ page
>
Examples
17745
Byte
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
1
0
0
0x02
= 0x82 = AS-i master 2, slave 2
0
1
0
0x1F
= 0x5F = AS-i master 1, slave 31
>
EDS-file
12789
The EDS file (
E
lectronic
D
ata
S
heet)is used to easily integrate the AC142n in a fieldbus projecting
software. The EDS supplies a profile of the fieldbus device in form of an ASCII file. It describes all
features of the device such as communication parameters and objects.
The EDS file is saved in the device. It can be downloaded directly to the configuration PC via the web
interface (
→
Download the device and I/O description
(