User Manual
Your TrustWorthy Industrial IoT Partner www.pusr.com
6.5. Modbus poll with serial heartbeat packet ......................................................................74
7. Advanced features ................................................................................................ 76
7.1. Packing mechanism ......................................................................................... 76
7.2. Heartbeat packet ........................................................................................... 76
7.3. Registration packet ..........................................................................................77
7.4. Socket B ................................................................................................... 78
7.5. Rs485 bus detection ........................................................................................ 79
7.6. Serial Printer setting .........................................................................................79
7.7. NTP ........................................................................................................82
7.8. SNMP ......................................................................................................83
8. MQTT gateway ................................................................................................... 85
8.1. Basic settings ............................................................................................... 85
8.2. Publishing a message ....................................................................................... 88
8.2.1. MQTT.fx tool introduction .............................................................................. 88
8.2.2. Transparent transmission .............................................................................. 90
8.2.3. Topic distribution ..................................................................................... 92
8.2.4. Custom mode ........................................................................................ 94
8.3. Subscribe to a topic .........................................................................................96
9. Edge computing ..................................................................................................98
9.1. Add modbus slave device .................................................................................... 98
9.2. Add modbus data points .....................................................................................99
9.2.1. Register type and offset ................................................................................ 99
9.2.2. Raw data types and byte order ........................................................................ 100
9.2.3. Data points configuration ............................................................................. 100
9.3. Export and import configuration .............................................................................102
9.4. Data report ................................................................................................104
9.4.1. Communication channel .............................................................................. 104
9.4.2. Report method .......................................................................................104
9.4.3. Payload-Json template ................................................................................105
9.4.4. Test .................................................................................................108
9.5. Data query ................................................................................................ 110
9.5.1. Json .................................................................................................110
9.5.2. Modbus slave address and register mapping ............................................................111
9.5.3. Modbus TCP .........................................................................................112
9.5.4. Modbus RTU .........................................................................................114
10. AWS IoT service ................................................................................................ 116
11. PUSR cloud service ..............................................................................................116
12. Warranty ....................................................................................................... 116
13. Contact Us ..................................................................................................... 116
14. Disclaimer ..................................................................................................... 116
15. Revision History .................................................................................................116
