ICP DAS USA PMD Series User Manual page 360

ICP DAS PMC-523x/PMC-224x/PMD Series User Manual
: It indicates the channel/loop/phase index, Modbus address or
"ch_addr"
: It indicates the nickname of the channel/loop/phase.
"nickname"
"value" : It indicates the real-time value of the channel/loop/phase.
}
 Example
The following is the format to publish a message with the kwh value of Loop 2
which resides at the PM-3114 power meter with module number 5 to IoT Cloud
platform. The power module is connected to the COM3 of PMC-5231.
{
"msg_type":"CHANNEL_UPDATE",
"if_type":1,
"com_port":3,
"module_no":5,
"ch_type":"kwh",
"ch_addr":2,
"nickname":"kwh power data",
"value":"101.33"
}
The following is a format to publish the message with the value of Internal
Register 13 to IoT Cloud platform.
{
"msg_type":"CHANNEL_UPDATE",
"ch_type":"ir",
"ch_addr":13,
"nickname":"function result 1",
"value":"63.87"
}
holding_register
ir
Internal Register number.
Internal Register
345