# Modbus

- [ModbusDevice loopback test against a LabJack T4](https://dev.nominal.io/instro/examples/modbus/labjack_t4_loopback_test.md)
- [Minimal ModbusDevice example: read and write against the sim server](https://dev.nominal.io/instro/examples/modbus/minimal_example.md)
- [ModbusDevice feature showcase](https://dev.nominal.io/instro/examples/modbus/modbus_example.md)
- [Building a Modbus config programmatically (no JSON file)](https://dev.nominal.io/instro/examples/modbus/programmatic_config_example.md)
- [Two ModbusDevices sharing one Modbus TCP connection](https://dev.nominal.io/instro/examples/modbus/shared_bus_example.md)