FieldbusModules
OperatingManualCommunicationinterfaces
1002971EN03
13
4 FieldbusModules
4.1 Basics
Theinputandoutputrangeiseachreservedanareaof32Bytesforcommunicationvia
fieldbuses;thisisupdatedapprox.every15ms.TheMaster(PC,PLC)cansend32Bytes
tothePNOZmulti2andreceive32BytesfromthePNOZmulti2.TheMastercanprocess
theinformationinbytes,wordsorindoublewords.
4.1.1 Inputdata(tothePNOZmulti2)
DoubleWord Word Byte Content
0 0 0 StateofvirtualinputsonthePNOZmulti2
fieldbusmodule.
TheinputsaredefinedinthePNOZmulti
Configurator.Eachinputthatisusedis
givenanumberthere,e.g.i0,i5...
Thestateofinputi0isstoredinbit0of
byte0;thestateofinputi5isstoredinbit5
ofbyte0etc.
1
1 2
3
1 2 4
5
3 6
7
2 4 8
9
5 10
11
3 6 12
13
7 14
15
4 8 16 Reserved
17 Tablenumber
9 18 Segmentnumber
19 PayloadByte0
5 10 20 PayloadByte1
21 PayloadByte2
11 22 PayloadByte3
23 PayloadByte4
6 12 24 PayloadByte5
25 PayloadByte6
13 26 PayloadByte7
27 PayloadByte8