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The Modbus master I/O interface is configured within a few pages. The first page contains some generic configurations.
| Use an RT core for asynchronous computation | If set to "true", the driver will reserve a real-time CPU core for its communication system and will be able to handle a bigger number of slaves. If set to "false", the communication system will default to core 0 (running with the operating system). |
| VerboseEnable verbose mode | If enabled, additional information will be displayed in the HYPERSIM log during the loading of the model. |
| Enable virtual mode | In virtual mode, the model can be executed even if this I/O interface is not compatible with the hardware configuration of the system. The connections between the model and the I/O interface will be done during the initialization, but the I/O interface will not do anything. The virtual mode can be used to troubleshoot problems on a system without having the required hardware, or to prepare a model with different I/O interfaces even if the final hardware platform is not available. |
Slave Configuration
By default, the driver is configured with one TCP slave configured to listen on the internal loopback network on port 1504 and one RTU slave configured on /dev/ttyS0 serial port.
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| Name | Name that will be used to identify the signal associated to the read/write operation in the Sensor form. |
| Operation type | Type of operation to perform. See the list of supported operations in the "Supported features" section. |
| Operation code | Read-only field that gives the hexadecimal code of the configured Modbus operation. |
| Start address | Address at which will begin the read/write operation. |
| Item number | Number of coils/registers that will be read/written. |
| Interpreted as | For coils and discrete input: Only bit is supported. For all types of registers: Unsigned integers (16 bits & 32 bits), signed integers (16 bits & 32 bits) and single-precision floating-point (32 bits) are supported. |
| Triggered operation | Trigger read/write for non-cyclic operation. |
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