Definition
get_modbus_input_multi(iobus)
Features
This function reads the signal from the Modbus Slave unit.
Parameters
|
Parameter Name |
Data Type |
Default Value |
Description |
|---|---|---|---|
|
iobus |
string |
- |
Modbus multi signal name (set in the TP) |
Return
|
Value |
Description |
|---|---|
|
list |
List of values corresponding to the number of signals |
Exception
|
Exception |
Description |
|---|---|
|
DR_Error (DR_ERROR_TYPE) |
Parameter data type error occurred |
|
DR_Error (DR_ERROR_VALUE) |
Parameter value is invalid |
|
DR_Error (DR_ERROR_RUNTIME) |
C extension module error occurred |
|
DR_Error (DR_ERROR_STOP) |
Program terminated forcefully |
Example
Python
#Modbus multiple signal is registered as “multi”(cnt=2).
get_modbus_input("multi") # return = [10, 101]
Keyword
get_ / modbus / get_modbus / modbus_input / modbus_input_multi