King Pigeon RTU5028 - Data Communication Protocol; Modbus Protocol; MQTT Protocol

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King Pigeon Hi-Tech. Co., Ltd. Ver 1.0
GSM/GPRS/3G/4G/Cloud
Network Fault Monitoring Alarm
English
28) Remotely Reboot
Command
Return SMS
Example
Setup Periodicity Reboot
PWD++REBOOT+x
(xxxx=0-9999 hours,
default is 160 hours)
Reboot: x Hours
1234REBOOT3 The device will be
reboot automatically for every 3
hours.
Inquiry
PWD+RE
Reboot Manually
PWD+RT
No return SMS
29) Remotely Reset
Command
Return SMS
Remotely Reset
PWD+RESET
Reset successfully
10. Data Communication Protocol
The RTU5028E supports GPRS/3G/4G data transfer to cloud server,supports Modbus RTU,Modbus TCP and MQTT
protocol.
10.1. Modbus Protocol
Modbus Address Instruction
Register Address
Definition
Data Type
Function Code
Data Description
0
Relay output
bool
1,5
0=open,1=close
0
Device 1 status
bool
2
0=fault,1=normal
1
Device 2 status
bool
2
0=fault,1=normal
2
Device 3 status
bool
2
0=fault,1=normal
3
Device 4 status
bool
2
0=fault,1=normal
4
Device 5 status
bool
2
0=fault,1=normal
5
Device 6 status
bool
2
0=fault,1=normal
6
Device 7 status
bool
2
0=fault,1=normal
7
Internet status
bool
2
0=fault,1=normal
8
External Power status
bool
2
0=fault,1=normal
9
Network cable status
bool
2
0=fault,1=normal
0
External Power voltage
16bit unsigned int
3,4
Actual=Register Value/10
10.2. MQTT Protocol
When the device connects to King Pigeon cloud platform with MQTT, the user could use it
immediately, don't need to care about the MQTT protocol. If you need to connect to your own server, the
following is the protocol for you.
10.2.1: MQTT Published Data Format
Only after seting PING device IP and internet IP,then uploaded data of device 1~7 and internet data will be
displayed accordingly; Since the default PING IP is empty, there may be unconnected data points when connecting
King Pigeon cloud platform,after setting PING IP , the data point can be connected.
Device publish topic:device serial number(The data filled in the
“
Login Message
”
parameter on the