HMI Digitizer Agent
Purpose
The HMI Digitizer Agent interacts with Human Machine Interface (HMI) components to read signal states and control screen navigation during automated testing.
HMI Digitizer Agent Blocks
1. Get HMI State
Reads the current state of an HMI signal.
Properties
Inputs
Parameter Name |
Description |
|---|---|
Signal |
Identifier of the HMI signal |
Get HMI State - input parameter.
Outputs
Output Code |
Description |
|---|---|
0 |
HMI state retrieved |
1 |
Unable to retrieve HMI state |
-1 |
Invalid HMI signal |
Get HMI State - output parameter.
Output Possibilities Configuration
2. Set Screen
Switches the HMI to a specified screen.
Properties
Inputs
Parameter Name |
Description |
|---|---|
Topic |
HMI communication topic or context |
Screen ID |
Identifier of the screen to be displayed |
Set Screen - input parameter.
Outputs
Output Code |
Description |
|---|---|
0 |
HMI screen set successfully |
1 |
Unable to set HMI screen |
-1 |
Invalid topic or screen ID |
Set Screen - output parameter.
