Communication Description; Schematic Diagram Of Connection Tree; Data Format Description - Veichi 300 Series Operation Manual

AC300PN1 slave
Network switch 2
AC300PN1 slave
station 3
CN2 CN1

3.3.2 communication description

AC300PN1 card requires customers to select different PZD lengths for transmission according to
different requirements. Users can select the corresponding functions of each PZD in the
configuration. The functions supported by each data format are shown in the table below
Data type
Standard telegram 1
Standard telegram 2
Standard telegram 3
Standard telegram 4
PROFINET mater
Network switch 1
1
station1
CN2 CN1
1 2 3
AC300PN1 slave
station 4
CN2 CN1
Figure 3.3. Schematic diagram of connection tree
Table 3.3 data format description
Data length
PZD-2/2
PZD-4/4
PZD-6/6
PZD-8/8
station
1 2
...
2 n
AC300PN1 slave
station 2
CN2 CN1
Network switch 3
1 2
AC300PN1 slave
station 5
CN2 CN1
Supported features
Frequency inverter command and frequency setting
Operation status and frequency feedback of frequency
inverter
Frequency inverter command and frequency setting
0 ~ 2 function parameters are written periodically
Operation status and frequency feedback of frequency
inverter
0 ~ 2 monitoring parameters are read periodically
Frequency inverter command and frequency setting
0 ~ 4 function parameters are written periodically
Operation status and frequency feedback of frequency
inverter
0 ~ 4 monitoring parameters are read periodically
Frequency inverter command and frequency setting
0 ~ 6 function parameters are written periodically
Operation status and frequency feedback of frequency
inverter
13
3
AC300PN1 slave
station 6
CN2 CN1