Siko AP10S - Telegram Setup; Node Address

Communication via SIKONETZ 5
AP10S Date: 04.09.2017 Art. No. 87826 Mod. status 269/17 Page 19 of 48
6.3 Telegram setup
Control word (CW), status word (SW) and data are transferred in the Big-Endian format.
1
st
byte
2
nd
byte
3
rd
byte
4
th
byte
5
th
byte
6
th
byte
7
th
byte
8
th
byte
9
th
byte
10
th
byte
Command
Node
address
Parameter
address
high
Byte
low
Byte
MSB
LSB
Check
sum
CW
Data
Table 10: Command telegram (from master)
1
st
byte
2
nd
byte
3
rd
byte
4
th
byte
5
th
byte
6
th
byte
7
th
byte
8
th
byte
9
th
byte
10
th
byte
Command
Node
address
Parameter
address
high
Byte
low
Byte
MSB
LSB
Check
sum
SW
Data
Table 11: Reply telegram (from slave)
6.3.1 Command
The following access types are provided by SIKONETZ5.
Access code
Meaning
Description
00h
read
The master requests the addressed slave to output the
relevant value in a response telegram.
01h
write
The master requests the addressed slave to accept the value
transferred in the same telegram.
02h
broadcast
The master requests all connected slaves to execute the
command transferred in the same telegram.
6.3.2 Node address
The device address can be freely set in the range of 0 to 127. The delivered devices are preset
to node address 31 ex works and must be reset to the desired address to enable their
operation with multiple slaves on the SIKONETZ5 fieldbus (see parameter 00h: Node address
and chapter 6.8: Auto-ID).
Each address can be assigned in the fieldbus only once!
6.3.3 Parameter address
A distinct address is assigned to every parameter (e. g. calibration value) or functional value
(e. g. set point) (see chapter 6.9: Parameter description).