Definition
set_modbus_outputs(iobus_list, val_list)
Features
This function sends multiple signals to the Modbus Slave unit.
The maximum number of outputs is 32.
Parameters
|
Parameter Name |
Data Type |
Default Value |
Description |
|---|---|---|---|
|
iobus |
string |
- |
Modbus name (set in the TP) |
|
val_list |
int |
- |
I/O output value list |
Return
|
Value |
Description |
|---|---|
|
0 |
Success |
|
Negative value |
Failed |
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 digital I/O output contact "d1" OFF, "d2" ON, and "d3" ON
set_modbus_outputs(iobus_list=[ "d1", "d2", "d3",], val_list=[0,1,1])
# Modbus digital I/O output contact "d3" OFF and "d4" ON
set_modbus_outputs(["d3", "d4"], [0,1])
Keyword
set_ / modbus / set_modbus / modbus_outputs