Content Comparison

Sections:

1. _src

2. _cmd

3. _id

4. _ts

5. _crc

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header_src header_src

_src:

This is the most important element in the header field.  It is used to identify the equipment that is communicating with Open Kitchen.

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_src[0] consists of a 4 digit "MODEL_ID", in the example 0363 which defines the equipment type sending the data.  The reset rest of the string is a unique identifier which defines the individual piece of equipment. Typically, the unique identifier is a serial number or MAC address.   It is essential that this device_id be unique (within Open Kitchen) and properly provisioned.  If the equipment requires this id to be manually entered by a technician or factory personnel, it must be entered before connecting to Open Kitchen.

_src[1] is the unique identifier of the ConnectWare module used to pass the data to the cloud.  In the case of Virtual ConnectWare, where the data is passed directly from the equipment, this field is provided as the equipment device_id prefixed with "0003".  E.g. "_src": ["036334d0b8df1f05", ["000334d0b8df1f05"].

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header_cmd header_cmd

_cmd:

"_cmd": "wr" indicates whether this is a read or write command.

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header_id header_id

_id:

"_id" : 10018 provides a sequence number of a message that can be used to match responses from requests. 

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header_ts header_ts

_ts:

"_ts": "2022-05-03T20:34:08.111147Z".  This field is critical for all time series data. It represents the time that data was received from the equipment.  It is an ISO 8601 UTC date/time. 

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header_crc header_crc

_crc:

The crc is a check code used to validate the integrity of the message.