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108 Fieldbus interfaces
Modbus RTU examples
The examples below describes how to access the configuration parameters of the inverter
using Modbus RTU.
Default Modbus RTU settings are used.
Note
: Changes made to Modbus configuration parameters are effective only after
selecting
Refresh settings
in parameter
3654
Product Name 6 (ASCII) 4char
3656
Product Name 7 (ASCII) 4char
3664
Serial number 1 (ASCII) 4char
3666
Serial number 2 (ASCII) 4char
3668
Serial number 3 (ASCII) 4char
3670
Serial number 4 (ASCII) 4char
3672
Serial number 5 (ASCII) 4char
3674
Serial number 6 (ASCII) 4char
3676
Serial number 7 (ASCII) 4char
Parameter
Name
Description
Default
value
158.01
Protocol enable
Shows status of embedded Modbus RTU protocol.
This parameter is read-only parameter. To change
the operational status, see parameter
.
Modbus RTU
158.02
Node address
Defines address for the inverter on RS485 bus.
1
158.04
Baud rate
Selects the communication speed of the RS485 bus
19.2 kbps
158.05
Parity
Defines the character framing for the RS485 bus.
8 NONE 1
158.07
Comm diagnostics
Bit field coded diagnostic parameter for trouble
shooting.
For idle operation the bit pattern should read:
0000 xx01 1000 0000
With relative fast polling of the inverter the bit pattern
typically reads:
0000 xx00 0000 0000
x = don't care
-
Register
Description
Summary of Contents for PRO-33.0-TL Series
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