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Plugin file

Plugin configuration file
{
    "name": "milesight-iot-ct310",
    "version": "1.0.0",
    "description": "The Milesight CT310 is the high-capacity model in the CT3xx series, specifically engineered for intensive three-phase energy monitoring in industrial and utility-scale facilities.",
    "author": "Thinger.io",
    "license": "MIT",
    "repository": {
        "type": "git",
        "url": "https://github.com/thinger-io/plugins.git",
        "directory": "milesight-iot-ct310"
    },
    "metadata": {
        "name": "Milesight-Iot CT310",
        "description": "The Milesight CT310 is the high-capacity model in the CT3xx series, specifically engineered for intensive three-phase energy monitoring in industrial and utility-scale facilities.",
        "image": "assets/ct310.png",
        "category": "devices",
        "vendor": "milesight-iot"
    },
    "resources": {
        "products": [
            {
                "config": {
                    "icons": []
                },
                "description": "The Milesight CT310 is the high-capacity model in the CT3xx series, specifically engineered for intensive three-phase energy monitoring in industrial and utility-scale facilities.",
                "enabled": true,
                "name": "Milesight-Iot CT310",
                "product": "milesight_iot_ct310",
                "profile": {
                    "api": {
                        "downlink": {
                            "enabled": true,
                            "handle_connectivity": false,
                            "request": {
                                "data": {
                                    "path": "/downlink",
                                    "payload": "{\r\n    \"data\"    : \"{{payload.data=\"\"}}\",\r\n    \"port\"    :  {{payload.port=2}},\r\n    \"priority\":  {{payload.priority=3}},\r\n    \"confirmed\" :  {{payload.confirmed=false}},\r\n    \"uplink\"  :  {{property.uplink}} \r\n}",
                                    "payload_function": "",
                                    "payload_type": "",
                                    "plugin": "{{property.uplink.source}}",
                                    "target": "plugin_endpoint"
                                }
                            },
                            "response": {
                                "data": {}
                            }
                        },
                        "uplink": {
                            "enabled": true,
                            "handle_connectivity": true,
                            "request": {
                                "data": {
                                    "payload": "{{payload}}",
                                    "payload_type": "source_payload",
                                    "resource_stream": "uplink",
                                    "target": "resource_stream"
                                }
                            },
                            "response": {
                                "data": {}
                            }
                        }
                    },
                    "autoprovisions": {
                        "device_autoprovisioning": {
                            "config": {
                                "mode": "pattern",
                                "pattern": "ct310_.*"
                            },
                            "enabled": true
                        }
                    },
                    "buckets": {
                        "milesight_ct310_data": {
                            "backend": "mongodb",
                            "data": {
                                "payload": "{{payload}}",
                                "payload_function": "",
                                "payload_type": "source_payload",
                                "resource_stream": "uplink_decoded",
                                "source": "resource_stream"
                            },
                            "enabled": true,
                            "retention": {
                                "period": 3,
                                "unit": "months"
                            },
                            "tags": []
                        }
                    },
                    "code": {
                        "code": "function decodeThingerUplink(thingerData) {\n    // 0. If data has already been decoded, we will return it\n    if (thingerData.decodedPayload) return thingerData.decodedPayload;\n    \n    // 1. Extract and Validate Input\n    // We need 'payload' (hex string) and 'fPort' (integer)\n    const hexPayload = thingerData.payload || \"\";\n    const port = thingerData.fPort || 1;\n\n    // 2. Convert Hex String to Byte Array\n    const bytes = [];\n    for (let i = 0; i < hexPayload.length; i += 2) {\n        bytes.push(parseInt(hexPayload.substr(i, 2), 16));\n    }\n\n    // 3. Dynamic Function Detection and Execution\n    \n    // CASE A: (The Things Stack v3)\n    if (typeof decodeUplink === 'function') {\n        try {\n            const input = {\n                bytes: bytes,\n                fPort: port\n            };\n            var result = decodeUplink(input);\n            \n            if (result.data) return result.data;\n\n            return result; \n        } catch (e) {\n            console.error(\"Error inside decodeUplink:\", e);\n            throw e;\n        }\n    }\n\n    // CASE B: Legacy TTN (v2)\n    else if (typeof Decoder === 'function') {\n        try {\n            return Decoder(bytes, port);\n        } catch (e) {\n            console.error(\"Error inside Decoder:\", e);\n            throw e;\n        }\n    }\n\n    // CASE C: No decoder found\n    else {\n        throw new Error(\"No compatible TTN decoder function (decodeUplink or Decoder) found in scope.\");\n    }\n}\n\n\n// TTN decoder\nfunction decodeUplink(input) {\n    var res = Decoder(input.bytes, input.fPort);\n    if (res.error) {\n        return {\n            errors: [res.error],\n        };\n    }\n    return {\n        data: res,\n    };\n}\n/**\n * Payload Decoder\n *\n * Copyright 2025 Milesight IoT\n *\n * @product CT303 / CT305 / CT310\n */\nvar RAW_VALUE = 0x00;\n\n// The Things Network\nfunction Decoder(bytes, port) {\n    return milesightDeviceDecode(bytes);\n}\n/* eslint-enable */\n\nvar current_total_chns = [0x03, 0x05, 0x07];\nvar current_chns = [0x04, 0x06, 0x08];\nvar current_alarm_chns = [0x84, 0x86, 0x88];\n\nfunction milesightDeviceDecode(bytes) {\n    var decoded = {};\n    for (var i = 0; i < bytes.length;) {\n        var channel_id = bytes[i++];\n        var channel_type = bytes[i++];\n\n        // IPSO VERSION\n        if (channel_id === 0xff && channel_type === 0x01) {\n            decoded.ipso_version = readProtocolVersion(bytes[i]);\n            i += 1;\n        }\n        // HARDWARE VERSION\n        else if (channel_id === 0xff && channel_type === 0x09) {\n            decoded.hardware_version = readHardwareVersion(bytes.slice(i, i + 2));\n            i += 2;\n        }\n        // FIRMWARE VERSION\n        else if (channel_id === 0xff && channel_type === 0x0a) {\n            decoded.firmware_version = readFirmwareVersion(bytes.slice(i, i + 2));\n            i += 2;\n        }\n        // TSL VERSION\n        else if (channel_id === 0xff && channel_type === 0xff) {\n            decoded.tsl_version = readTslVersion(bytes.slice(i, i + 2));\n            i += 2;\n        }\n        // SERIAL NUMBER\n        else if (channel_id === 0xff && channel_type === 0x16) {\n            decoded.sn = readSerialNumber(bytes.slice(i, i + 8));\n            i += 8;\n        }\n        // LORAWAN CLASS TYPE\n        else if (channel_id === 0xff && channel_type === 0x0f) {\n            decoded.lorawan_class = readLoRaWANClass(bytes[i]);\n            i += 1;\n        }\n        // RESET EVENT\n        else if (channel_id === 0xff && channel_type === 0xfe) {\n            decoded.reset_event = readResetEvent(1);\n            i += 1;\n        }\n        // DEVICE STATUS\n        else if (channel_id === 0xff && channel_type === 0x0b) {\n            decoded.device_status = readDeviceStatus(1);\n            i += 1;\n        }\n        // TOTAL CURRENT\n        else if (includes(current_total_chns, channel_id) && channel_type === 0x97) {\n            var current_total_chn_name = \"current_chn\" + (current_total_chns.indexOf(channel_id) + 1) + \"_total\";\n            decoded[current_total_chn_name] = readUInt32LE(bytes.slice(i, i + 4)) / 100;\n            i += 4;\n        }\n        // CURRENT\n        else if (includes(current_chns, channel_id) && channel_type === 0x99) {\n            var current_alarm_chn_name = \"current_chn\" + (current_chns.indexOf(channel_id) + 1);\n            var current_value = readUInt16LE(bytes.slice(i, i + 2));\n            if (current_value === 0xffff) {\n                decoded[current_alarm_chn_name + \"_sensor_status\"] = readSensorStatus(2);\n            } else {\n                decoded[current_alarm_chn_name] = current_value / 10;\n            }\n            i += 2;\n        }\n        // TEMPERATURE\n        else if (channel_id === 0x09 && channel_type === 0x67) {\n            var temperature_value = readUInt16LE(bytes.slice(i, i + 2));\n            if (temperature_value === 0xfffd) {\n                decoded.temperature_sensor_status = readSensorStatus(1);\n            } else if (temperature_value === 0xffff) {\n                decoded.temperature_sensor_status = readSensorStatus(2);\n            } else {\n                decoded.temperature = readInt16LE(bytes.slice(i, i + 2)) / 10;\n            }\n            i += 2;\n        }\n        // CURRENT ALARM\n        else if (includes(current_alarm_chns, channel_id) && channel_type === 0x99) {\n            var current_alarm_chn_name = \"current_chn\" + (current_alarm_chns.indexOf(channel_id) + 1);\n            decoded[current_alarm_chn_name + \"_max\"] = readUInt16LE(bytes.slice(i, i + 2)) / 10;\n            decoded[current_alarm_chn_name + \"_min\"] = readUInt16LE(bytes.slice(i + 2, i + 4)) / 10;\n            decoded[current_alarm_chn_name] = readUInt16LE(bytes.slice(i + 4, i + 6)) / 10;\n            decoded[current_alarm_chn_name + \"_alarm\"] = readCurrentAlarm(bytes[i + 6]);\n            i += 7;\n        }\n        // TEMPERATURE ALARM\n        else if (channel_id === 0x89 && channel_type === 0x67) {\n            decoded.temperature = readInt16LE(bytes.slice(i, i + 2)) / 10;\n            decoded.temperature_alarm = readTemperatureAlarm(bytes[i + 2]);\n            i += 3;\n        }\n        // DOWNLINK RESPONSE\n        else if (channel_id === 0xfe || channel_id === 0xff) {\n            var result = handle_downlink_response(channel_type, bytes, i);\n            decoded = Object.assign(decoded, result.data);\n            i = result.offset;\n        }\n        else {\n            break;\n        }\n    }\n\n    return decoded;\n}\n\nfunction handle_downlink_response(channel_type, bytes, offset) {\n    var decoded = {};\n\n    switch (channel_type) {\n        case 0x02:\n            decoded.alarm_report_interval = readUInt16LE(bytes.slice(offset, offset + 2));\n            offset += 2;\n            break;\n        case 0x06:\n            var value = readUInt8(bytes[offset]);\n            var channel_value = (value >>> 3) & 0x07;\n            if (channel_value === 0x01 || channel_value === 0x02 || channel_value === 0x03) {\n                var current_alarm_config_name = \"current_chn\" + (channel_value) + \"_alarm_config\";\n                decoded[current_alarm_config_name] = {};\n                decoded[current_alarm_config_name].condition = readConditionType(value & 0x07);\n                decoded[current_alarm_config_name].threshold_min = readUInt16LE(bytes.slice(offset + 1, offset + 3));\n                decoded[current_alarm_config_name].threshold_max = readUInt16LE(bytes.slice(offset + 3, offset + 5));\n                decoded[current_alarm_config_name].alarm_interval = readUInt16LE(bytes.slice(offset + 5, offset + 7));\n                decoded[current_alarm_config_name].alarm_counts = readUInt16LE(bytes.slice(offset + 7, offset + 9));\n            } else if (channel_value === 0x04) {\n                decoded.temperature_alarm_config = {};\n                decoded.temperature_alarm_config.condition = readConditionType(value & 0x07);\n                decoded.temperature_alarm_config.threshold_min = readInt16LE(bytes.slice(offset + 1, offset + 3)) / 10;\n                decoded.temperature_alarm_config.threshold_max = readInt16LE(bytes.slice(offset + 3, offset + 5)) / 10;\n            }\n            offset += 9;\n            break;\n        case 0x10:\n            decoded.reboot = readYesNoStatus(1);\n            offset += 1;\n            break;\n        case 0x27:\n            var index = readUInt8(bytes[offset]);\n            var clear_current_cumulative_name = \"clear_current_chn\" + index + \"_cumulative\";\n            decoded[clear_current_cumulative_name] = readYesNoStatus(1);\n            offset += 1;\n            break;\n        case 0x28:\n            decoded.report_status = readYesNoStatus(1);\n            offset += 1;\n            break;\n        case 0x8e:\n            // ignore first byte\n            decoded.report_interval = readUInt16LE(bytes.slice(offset + 1, offset + 3));\n            offset += 3;\n            break;\n        case 0xf2:\n            decoded.alarm_report_counts = readUInt16LE(bytes.slice(offset, offset + 2));\n            offset += 2;\n            break;\n        default:\n            throw new Error(\"unknown downlink response\");\n    }\n\n    return { data: decoded, offset: offset };\n}\n\nfunction readProtocolVersion(bytes) {\n    var major = (bytes & 0xf0) >> 4;\n    var minor = bytes & 0x0f;\n    return \"v\" + major + \".\" + minor;\n}\n\nfunction readHardwareVersion(bytes) {\n    var major = (bytes[0] & 0xff).toString(16);\n    var minor = (bytes[1] & 0xff) >> 4;\n    return \"v\" + major + \".\" + minor;\n}\n\nfunction readFirmwareVersion(bytes) {\n    var major = (bytes[0] & 0xff).toString(16);\n    var minor = (bytes[1] & 0xff).toString(16);\n    return \"v\" + major + \".\" + minor;\n}\n\nfunction readTslVersion(bytes) {\n    var major = bytes[0] & 0xff;\n    var minor = bytes[1] & 0xff;\n    return \"v\" + major + \".\" + minor;\n}\n\nfunction readSerialNumber(bytes) {\n    var temp = [];\n    for (var idx = 0; idx < bytes.length; idx++) {\n        temp.push((\"0\" + (bytes[idx] & 0xff).toString(16)).slice(-2));\n    }\n    return temp.join(\"\");\n}\n\nfunction readLoRaWANClass(type) {\n    var class_map = {\n        0: \"Class A\",\n        1: \"Class B\",\n        2: \"Class C\",\n        3: \"Class CtoB\",\n    };\n    return getValue(class_map, type);\n}\n\nfunction readResetEvent(status) {\n    var status_map = { 0: \"normal\", 1: \"reset\" };\n    return getValue(status_map, status);\n}\n\nfunction readDeviceStatus(status) {\n    var status_map = { 0: \"off\", 1: \"on\" };\n    return getValue(status_map, status);\n}\n\nfunction readYesNoStatus(status) {\n    var status_map = { 0: \"no\", 1: \"yes\" };\n    return getValue(status_map, status);\n}\n\nfunction readSensorStatus(status) {\n    var status_map = { 0: \"normal\", 1: \"over range alarm\", 2: \"read failed\" };\n    return getValue(status_map, status);\n}\n\nfunction readCurrentAlarm(value) {\n    var alarm_bit_offset = { \"current_threshold_alarm\": 0, \"current_threshold_alarm_release\": 1, \"current_over_range_alarm\": 2, \"current_over_range_alarm_release\": 3 };\n\n    var event = {};\n    for (var key in alarm_bit_offset) {\n        event[key] = readYesNoStatus((value >> alarm_bit_offset[key]) & 0x01);\n    }\n    return event;\n}\n\nfunction readConditionType(value) {\n    var condition_map = { 0: \"disable\", 1: \"below\", 2: \"above\", 3: \"between\", 4: \"outside\" };\n    return getValue(condition_map, value);\n}\n\nfunction readTemperatureAlarm(type) {\n    var alarm_map = { 0: \"temperature threshold alarm release\", 1: \"temperature threshold alarm\" };\n    return getValue(alarm_map, type);\n}\n\n/* eslint-disable */\nfunction readUInt8(bytes) {\n    return bytes & 0xff;\n}\n\nfunction readInt8(bytes) {\n    var ref = readUInt8(bytes);\n    return ref > 0x7f ? ref - 0x100 : ref;\n}\n\nfunction readUInt16LE(bytes) {\n    var value = (bytes[1] << 8) + bytes[0];\n    return value & 0xffff;\n}\n\nfunction readInt16LE(bytes) {\n    var ref = readUInt16LE(bytes);\n    return ref > 0x7fff ? ref - 0x10000 : ref;\n}\n\nfunction readUInt32LE(bytes) {\n    var value = (bytes[3] << 24) + (bytes[2] << 16) + (bytes[1] << 8) + bytes[0];\n    return (value & 0xffffffff) >>> 0;\n}\n\nfunction readInt32LE(bytes) {\n    var ref = readUInt32LE(bytes);\n    return ref > 0x7fffffff ? ref - 0x100000000 : ref;\n}\n\nfunction readFloatLE(bytes) {\n    var bits = (bytes[3] << 24) | (bytes[2] << 16) | (bytes[1] << 8) | bytes[0];\n    var sign = bits >>> 31 === 0 ? 1.0 : -1.0;\n    var e = (bits >>> 23) & 0xff;\n    var m = e === 0 ? (bits & 0x7fffff) << 1 : (bits & 0x7fffff) | 0x800000;\n    var f = sign * m * Math.pow(2, e - 150);\n    return f;\n}\n\nfunction includes(items, value) {\n    var size = items.length;\n    for (var i = 0; i < size; i++) {\n        if (items[i] == value) {\n            return true;\n        }\n    }\n    return false;\n}\n\nfunction getValue(map, key) {\n    if (RAW_VALUE) return key;\n\n    var value = map[key];\n    if (!value) value = \"unknown\";\n    return value;\n}\n\nif (!Object.assign) {\n    Object.defineProperty(Object, \"assign\", {\n        enumerable: false,\n        configurable: true,\n        writable: true,\n        value: function (target) {\n            \"use strict\";\n            if (target == null) {\n                throw new TypeError(\"Cannot convert first argument to object\");\n            }\n\n            var to = Object(target);\n            for (var i = 1; i < arguments.length; i++) {\n                var nextSource = arguments[i];\n                if (nextSource == null) {\n                    continue;\n                }\n                nextSource = Object(nextSource);\n\n                var keysArray = Object.keys(Object(nextSource));\n                for (var nextIndex = 0, len = keysArray.length; nextIndex < len; nextIndex++) {\n                    var nextKey = keysArray[nextIndex];\n                    var desc = Object.getOwnPropertyDescriptor(nextSource, nextKey);\n                    if (desc !== undefined && desc.enumerable) {\n                        // concat array\n                        if (Array.isArray(to[nextKey]) && Array.isArray(nextSource[nextKey])) {\n                            to[nextKey] = to[nextKey].concat(nextSource[nextKey]);\n                        } else {\n                            to[nextKey] = nextSource[nextKey];\n                        }\n                    }\n                }\n            }\n            return to;\n        },\n    });\n}",
                        "environment": "javascript",
                        "storage": "",
                        "version": "1.0"
                    },
                    "flows": {
                        "milesight_ct310_decoder": {
                            "data": {
                                "payload": "{{payload}}",
                                "payload_function": "decodeThingerUplink",
                                "payload_type": "source_payload",
                                "resource": "uplink",
                                "source": "resource",
                                "update": "events"
                            },
                            "enabled": true,
                            "sink": {
                                "payload": "{{payload}}",
                                "payload_type": "source_payload",
                                "resource_stream": "uplink_decoded",
                                "target": "resource_stream"
                            },
                            "split_data": false
                        }
                    },
                    "properties": {
                        "uplink": {
                            "data": {
                                "payload": "{{payload}}",
                                "payload_type": "source_payload",
                                "resource": "uplink",
                                "source": "resource",
                                "update": "events"
                            },
                            "default": {
                                "source": "value"
                            },
                            "enabled": true
                        }
                    }
                },
                "_resources": {
                    "properties": [
                        {
                            "property": "dashboard",
                            "value": {
                                "tabs": [
                                    {
                                        "name": "Overview",
                                        "widgets": [
                                            {
                                                "layout": {
                                                    "col": 0,
                                                    "row": 0,
                                                    "sizeX": 2,
                                                    "sizeY": 5
                                                },
                                                "panel": {
                                                    "color": "#ffffff",
                                                    "currentColor": "#ffffff",
                                                    "showOffline": {
                                                        "type": "none"
                                                    },
                                                    "title": "Current Ch1"
                                                },
                                                "properties": {
                                                    "decimalPlaces": 2,
                                                    "enableExtraTextColor": false,
                                                    "enableIconColor": false,
                                                    "enableIconSize": false,
                                                    "extraText": "",
                                                    "extraTextColor": "#1E313E",
                                                    "extraTextColorConditions": [],
                                                    "extraTextConditions": [],
                                                    "extraTextPosition": "above-value",
                                                    "extraTextSize": "18px",
                                                    "extraTextWeight": "font-light",
                                                    "icon": "",
                                                    "iconColor": "#1E313E",
                                                    "iconColorConditions": [],
                                                    "iconConditions": [],
                                                    "iconGap": "8px",
                                                    "iconPosition": "before-value",
                                                    "iconSize": "75px",
                                                    "iconVerticalOffset": "0px",
                                                    "link": "",
                                                    "textAlign": "center",
                                                    "textColor": "#1E313E",
                                                    "textColorConditions": [],
                                                    "textSize": "65px",
                                                    "textWeight": "font-light",
                                                    "unit": "A",
                                                    "unitSize": "18px"
                                                },
                                                "sources": [
                                                    {
                                                        "bucket": {
                                                            "backend": "mongodb",
                                                            "id": "milesight_ct310_data",
                                                            "mapping": "current_chn1",
                                                            "tags": {
                                                                "device": [],
                                                                "group": []
                                                            }
                                                        },
                                                        "color": "#1abc9c",
                                                        "name": "Current Ch1",
                                                        "source": "bucket",
                                                        "timespan": {
                                                            "mode": "latest"
                                                        }
                                                    }
                                                ],
                                                "type": "text"
                                            },
                                            {
                                                "layout": {
                                                    "col": 2,
                                                    "row": 0,
                                                    "sizeX": 2,
                                                    "sizeY": 5
                                                },
                                                "panel": {
                                                    "color": "#ffffff",
                                                    "currentColor": "#ffffff",
                                                    "showOffline": {
                                                        "type": "none"
                                                    },
                                                    "title": "Current Ch2"
                                                },
                                                "properties": {
                                                    "decimalPlaces": 2,
                                                    "enableExtraTextColor": false,
                                                    "enableIconColor": false,
                                                    "enableIconSize": false,
                                                    "extraText": "",
                                                    "extraTextColor": "#1E313E",
                                                    "extraTextColorConditions": [],
                                                    "extraTextConditions": [],
                                                    "extraTextPosition": "above-value",
                                                    "extraTextSize": "18px",
                                                    "extraTextWeight": "font-light",
                                                    "icon": "",
                                                    "iconColor": "#1E313E",
                                                    "iconColorConditions": [],
                                                    "iconConditions": [],
                                                    "iconGap": "8px",
                                                    "iconPosition": "before-value",
                                                    "iconSize": "75px",
                                                    "iconVerticalOffset": "0px",
                                                    "link": "",
                                                    "textAlign": "center",
                                                    "textColor": "#1E313E",
                                                    "textColorConditions": [],
                                                    "textSize": "65px",
                                                    "textWeight": "font-light",
                                                    "unit": "A",
                                                    "unitSize": "18px"
                                                },
                                                "sources": [
                                                    {
                                                        "bucket": {
                                                            "backend": "mongodb",
                                                            "id": "milesight_ct310_data",
                                                            "mapping": "current_chn2",
                                                            "tags": {
                                                                "device": [],
                                                                "group": []
                                                            }
                                                        },
                                                        "color": "#3498db",
                                                        "name": "Current Ch2",
                                                        "source": "bucket",
                                                        "timespan": {
                                                            "mode": "latest"
                                                        }
                                                    }
                                                ],
                                                "type": "text"
                                            },
                                            {
                                                "layout": {
                                                    "col": 4,
                                                    "row": 0,
                                                    "sizeX": 2,
                                                    "sizeY": 5
                                                },
                                                "panel": {
                                                    "color": "#ffffff",
                                                    "currentColor": "#ffffff",
                                                    "showOffline": {
                                                        "type": "none"
                                                    },
                                                    "title": "Current Ch3"
                                                },
                                                "properties": {
                                                    "decimalPlaces": 2,
                                                    "enableExtraTextColor": false,
                                                    "enableIconColor": false,
                                                    "enableIconSize": false,
                                                    "extraText": "",
                                                    "extraTextColor": "#1E313E",
                                                    "extraTextColorConditions": [],
                                                    "extraTextConditions": [],
                                                    "extraTextPosition": "above-value",
                                                    "extraTextSize": "18px",
                                                    "extraTextWeight": "font-light",
                                                    "icon": "",
                                                    "iconColor": "#1E313E",
                                                    "iconColorConditions": [],
                                                    "iconConditions": [],
                                                    "iconGap": "8px",
                                                    "iconPosition": "before-value",
                                                    "iconSize": "75px",
                                                    "iconVerticalOffset": "0px",
                                                    "link": "",
                                                    "textAlign": "center",
                                                    "textColor": "#1E313E",
                                                    "textColorConditions": [],
                                                    "textSize": "65px",
                                                    "textWeight": "font-light",
                                                    "unit": "A",
                                                    "unitSize": "18px"
                                                },
                                                "sources": [
                                                    {
                                                        "bucket": {
                                                            "backend": "mongodb",
                                                            "id": "milesight_ct310_data",
                                                            "mapping": "current_chn3",
                                                            "tags": {
                                                                "device": [],
                                                                "group": []
                                                            }
                                                        },
                                                        "color": "#e74c3c",
                                                        "name": "Current Ch3",
                                                        "source": "bucket",
                                                        "timespan": {
                                                            "mode": "latest"
                                                        }
                                                    }
                                                ],
                                                "type": "text"
                                            },
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