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Adding a Gateway Subdevice Topic Topic /v1/devices/{gatewayId}/topo/add Publisher Edge device Subscriber IoT platform Parameter Description Field Mandatory/Optional Type Description mid Mandatory Integer Command ID. deviceInfos Mandatory List<DeviceInfos> Subdevice information list
Response for Adding a Gateway Subdevice Topic Topic /v1/devices/{gatewayId}/topo/addResponse Publisher IoT platform Subscriber Edge device Parameter Description After a subdevice is added successfully, a response containing information about the new subdevice is returned.
Deleting a Gateway Subdevice Topic Topic /v1/devices/{gatewayId}/topo/delete Publisher IoT platform Subscriber Edge device Parameter Description Field Mandatory/Optional Type Description id Mandatory Integer ID of the command for deleting a subdevice. deviceId Mandatory String Unique
Gateway Login The IoT platform supports ROMA Connect's message API using the MQTT protocol to obtain the authentication information clientId, Username, and Password.
Querying Gateway Child Device Information Topic Topic /v1/devices/{gatewayId}/topo/query Publisher Edge device Subscriber IoT platform Parameter Description Field Mandatory/Optional Type Description mid Mandatory Integer Command ID. nodeId Mandatory String Device identifier.
Adding a Subdevice to the Gateway Function Adding a Subdevice to the Gateway URI POST /v2/{project_id}/link/instances/{instance_id}/devices/{device_id}/subsets Table 1 Path Parameters Parameter Mandatory Type Description project_id Yes String Project ID.
Updating the Gateway Subdevice Status Topic Topic /v1/devices/{gatewayId}/topo/update Publisher Edge device Subscriber IoT platform Parameter Description Field Mandatory/Optional Type Description mid Mandatory Integer Command ID. deviceStatuses Mandatory List<DeviceStatus> Device
Response for Querying Gateway Child Device Information Topic Topic /v1/devices/{gatewayId}/topo/queryResponse Publisher IoT platform Subscriber Edge device Parameter Description Field Mandatory/Optional Type Description mid Mandatory Integer Command ID. statusCode Mandatory Integer
Response for Updating the Gateway Subdevice Status Topic Topic /v1/devices/{gatewayId}/topo/updateResponse Publisher IoT platform Subscriber Edge device Parameter Description Field Mandatory/Optional Type Description mid Mandatory Integer Command ID. statusCode Mandatory Integer Result
"TAGS":"null" //Message tag } For a common device or gateway, set gatewayId and gatewayIdentifier to null.
/v1/devices/{gatewayId}/topo/query Edge device IoT platform The edge device queries gateway information. /v1/devices/{gatewayId}/topo/queryResponse IoT platform Edge device The IoT platform returns a response for querying gateway information.
Connecting a Device EdgeShell is used to collect data from edge devices and send the data to the edge gateway of ROMA Connect. To connect a device using Modbus, perform the following steps: Create a product.
Figure 1 Buying a public NAT gateway Set the NAT gateway rule by referring to Adding an SNAT Rule. Set Scenario to VPC, and CIDR Block to the subnet where the RCU instance resides, and bind a public IP address. Figure 2 Adding an SNAT rule Parent topic: Appendix
Device Management Creating a Device Querying Devices Bringing Devices Offline in Batches Deleting a Device Querying Device Details Modifying a Device Querying Device Topics Adding a Subdevice to the Gateway Querying Subdevices Querying a Device Shadow Resetting Device Authentication
Device Management Creating a Device Querying Devices Bringing Multiple Devices Offline Deleting a Device Querying Device Details Modifying a Device Querying Device Topics Adding a Subdevice to the Gateway Querying Subdevices Querying a Device Shadow Resetting Device Authentication
EdgeShell is used to collect data from edge devices and send the data to the edge gateway of ROMA Connect. EdgeShell supports the access of devices that use the Modbus or OPC UA protocol. This section describes how to connect devices using the OPC UA protocol.
The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request. 503 Service Unavailable The requested service is unavailable.
The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request. 503 Service Unavailable The requested service is unavailable.
Gateways belong to gateway products. A gateway can connect to multiple subdevices. Prerequisites Each device must belong to an integration application. Before registering a device, ensure that an integration application is available.
MQTT Topic Specifications Before You Start Gateway Login Adding a Gateway Subdevice Response for Adding a Gateway Subdevice Updating the Gateway Subdevice Status Response for Updating the Gateway Subdevice Status Deleting a Gateway Subdevice Querying Gateway Child Device Information
