Lenze i550

Write the speed of the drive via Modbus
The drive speed can be changed via the modbus register 42102, see:
4Data mapping ^ 437
Example of an inverter with the node address 1:
Request frame by the master
Unit idener Funcon code Data
Register address Network setpoint frequency (0.01)
0x01 0x06 0x08 0x35 0x04 0xD2
Response message from the inverter
Unit idener Funcon code Data
Register address Network setpoint frequency (0.01)
0x01 0x06 0x08 0x35 0x04 0xD2
The drive now rotates with a frequency of 12.34 Hz.
Read the drive speed via Modbus
The drive speed can be read via the Modbus register 42002, see:
4Data mapping ^ 437
The funcon code 3 is used to read a single register or several interrelated register blocks, see:
4Funcon codes ^ 432
Example of an inverter with the node address 1:
Request frame by the master
Unit idener Funcon code Data
Register address Number of words
0x01 0x03 0x07 0xD1 0x00 0x01
Response message from the inverter
Unit idener Funcon code Data
Read bytes Frequency (0.01)
0x01 0x03 0x02 0x04 0xD1
The drive rotates with a frequency of 12.33 Hz.
Restart of the communicaon
A restart of communicaon is required aer changes of the interface conguraon (e. g. node
address and baud rate) in order that the changed sengs become eecve.
For restarng communicaon, there are two opons:
a)
Switch inverter o and on again.
b)
0x23B0 (P508.00) Set = "Restart with current values [1]".
Parameter
Address Name / seng range / [default seng] Info
0x23B0
(P508.00)
Modbus TCP communicaon
(MBTCP comm.)
•
From version 04.00
Restart / stop communicaon
0 No acon/no error Only status feedback.
1 Restart with current values Restart communicaon in order that changed sengs of the interface
conguraon become eecve.
2 Restart with default values Restart communicaon with the standard values.
5 Stop network communicaon Stop communicaon.
10 In progress Only status feedback
11 Acon cancelled
12 Fault
Conguring the network
Modbus TCP
Commissioning
427