ICP DAS PMC/PMD Series User Manual
319
Appendix VIII
：
The JSON format for the communication with IoT
Platform
PMC-52xx/PMD supports the functions to publish the JSON format messages to
Microsoft Azure and IBM Bluemix IoT Cloud platforms, and also subscribe/receive
the JSON format messages from IoT Cloud platform to change the value of the
output channel of I/O modules or power meter modules that are connected to
PMC-52xx/PMD. The following lists the detailed information of JSON format
message with PMC-52xx/PMD.
Message format
{
"msg_type"
:
"
CHANNEL_UPDATE
" The "CHANNEL_UPDATE"
type of message indicates the
message published by
PMC-52xx/PMD to inform IoT
Cloud platform the update of
the power data or I/O channel
data.
"
CHANNEL_OUTPUT
" If PMC-52xx/PMD receives the
message in the type of
"CHANNEL_OUTPUT", then
PMC-52xx/PMD will perform
the task to change the value of
the output channel.
"if_type"
: It indicates the connection interface between PMC-52xx/PMD
and the power meter or I/O module where the channel resides.
The following table shows the code and the interface it
represents.
0
XV-Board
1
COM Port
2
Ethernet
"com_port"
: "3" indicates the connection interface between
PMC-52xx/PMD and the power meter or I/O module is COM
port 3. "4" indicates the connection interface between
PMC-52xx/PMD and the power meter or I/O module is COM
Summary of Contents for PMC series
Page 1: ...ICP DAS PMC PMD Power Meter Concentrator Series User Manual Version 3 1 8...
Page 51: ...ICP DAS PMC PMD Series User Manual 38 Figure5 32 Energy Usage Breakdown by Circuit Group Chart...
Page 72: ...ICP DAS PMC PMD Series User Manual 59 Figure6 11 Security setting interface of VPN function...
Page 165: ...ICP DAS PMC PMD Series User Manual 152 The Import of MQTT Topic...
