ICP DAS PMC-523x/PMC-224x/PMD Series User Manual
324
Appendix VII
：
The JSON format for the communication with IoT
Platform
PMC/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/PMD. The following lists the detailed information of JSON format message
with PMC/PMD.
Message format
{
"msg_type"
:
"
CHANNEL_UPDATE
" The "CHANNEL_UPDATE"
type of message indicates the
message published by
PMC/PMD to inform IoT
Cloud platform the update of
the power data or I/O channel
data.
"
CHANNEL_OUTPUT
" If PMC/PMD receives the
message in the type of
"CHANNEL_OUTPUT", then
PMC/PMD will perform the
task to change the value of the
output channel.
"if_type"
: It indicates the connection interface between PMC/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/PMD and
the power meter or I/O module is COM port 3. "4" indicates
the connection interface between PMC/PMD and the power
meter or I/O module is COM port 4. If the connection
interface is XV-Board or Ethernet, please ignore this field.
Summary of Contents for PMC-523 Series
Page 1: ...ICP DAS PMC 523x PMC 224x PMD Power Meter Concentrator Series User Manual Version 3 2 4...
Page 165: ...ICP DAS PMC 523x PMC 224x PMD Series User Manual 150 Figure9 14 The Import of MQTT Topic...
Page 205: ...ICP DAS PMC 523x PMC 224x PMD Series User Manual 190 Figure10 53 PUE Setting Page 2...
