1
1.1
Preface .......................................................................................................... 5
1.2
1.2.1 Warning signs ................................................................................................. 6
1.2.2 Note symbols ................................................................................................. 6
1.2.3 Number types ................................................................................................. 6
2
2.1
Target group .................................................................................................. 7
2.2
Interfaces ...................................................................................................... 7
2.3
System prerequisites ................................................................................... 7
3
3.1
Connection position ..................................................................................... 9
3.2
RS232 .......................................................................................................... 11
3.3
3.4
3.5
3.5.1 Parameters ................................................................................................... 13
4
4.1
4.2
4.3
4.4
4.5
Device address ........................................................................................... 18
4.6
Function codes ........................................................................................... 18
4.6.1 Read n bit ..................................................................................................... 19
4.6.2 Read n words ............................................................................................... 20
4.6.3 Write one bit ................................................................................................. 21
4.6.4 Write one word ............................................................................................. 22
4.6.5 Write n words ............................................................................................... 23
4.7
Contents
5
7
9
15