example-multiple-rtus-same-link.json

{
    "set": {
        "modbus-binding.so": {
            "metadata": {
                "uid": "modbus",
                "version": "1.0",
                "api": "modbus",
                "info": "Example config for two RTUs on the same serial link"
            },
            "plugins": [
                {
                    "uid": "r4dcb08_temperature",
                    "info": "Plugin to handle temperature decoding",
                    "spath": "package/lib/:./lib/plugins:./var",
                    "libs": [
                        "r4dcb08-temperature.so"
                    ]
                }
            ],
            "uri": "tty://dev/ttyUSB0:9600",
            "modbus": [
                {
                    "uid": "Waveshare-Relay",
                    "info": "8 channels relay module",
                    "prefix": "WS8RL",
                    "slaveid": 1,
                    "timeout": 250,
                    "autostart": 1,
                    "period_s": 1,
                    "sensors": [
                        {
                            "uid": "RELAY_ALL",
                            "info": "Control all relays",
                            "type": "COIL_HOLDING",
                            "format": "UINT16",
                            "register": 255,
                            "usage": {"action": ["write"], "data": "json_type_boolean"},
                            "sample": [
                                {"action": "write", "data": 1},
                                {"action": "write", "data": 0}
                            ]
                        },
                        {
                            "uid": "RELAY_STATE",
                            "info": "Read states of relays",
                            "type": "COIL_HOLDING",
                            "format": "BOOL",
                            "register": 0,
                            "count": 8,
                            "usage": {
                                "action": ["read", "subscribe", "unsubscribe", "write"],
                                "data": ["json_boolean", "json_boolean", "json_boolean", "json_boolean", "json_boolean", "json_boolean", "json_boolean", "json_boolean"]
                            },
                            "sample": [
                                {"action": "write", "data": [true, false, true, false, true, false, true, false]}
                            ]
                        }
                    ]
                },
                {
                    "uid": "Temperature-collector",
                    "info": "8 channels temperature collector",
                    "prefix": "TEMP",
                    "slaveid": 2,
                    "timeout": 250,
                    "autostart": 1,
                    "period_s": 1,
                    "sensors": [
                        {
                            "uid": "TEMPS",
                            "info": "Read all 8 temperatures",
                            "type": "REGISTER_HOLDING",
                            "format": "plugin://r4dcb08_temperature#temps",
                            "register": 0,
                            "usage": {"action": ["read"]}
                        },
                        {
                            "uid": "CORRECTIONS",
                            "info": "Read all 8 corrections",
                            "type": "REGISTER_HOLDING",
                            "format": "INT16",
                            "register": 8,
                            "count": 8,
                            "usage": {"action": ["read"]}
                        }
                    ]
                }
            ]
        }
    }
}