USR IOT USR-M100 - Page 4

User Manual
Your Trustworthy Industrial IoT Partner www.pusr.com
3
7.6. Serial Printer setting ...................................................................................................................................................... 68
7.7. NTP ............................................................................................................................................................................... 70
7.8. SNMP ............................................................................................................................................................................ 71
8. MQTT gateway ....................................................................................................................................................................... 72
8.1. Basic settings.................................................................................................................................................................72
8.2. Publishing a message ....................................................................................................................................................75
8.2.1. MQTT.fx tool introduction .....................................................................................................................................75
8.2.2. Transparent transmission .....................................................................................................................................77
8.2.3. Topic distribution .................................................................................................................................................79
8.2.4. Custom mode ......................................................................................................................................................81
8.3. Subscribe to a topic ...................................................................................................................................................... 83
9. Edge computing ......................................................................................................................................................................85
9.1. Add modbus slave device .............................................................................................................................................. 85
9.2. Add modbus data points ............................................................................................................................................... 86
9.2.1. Register type and offset ....................................................................................................................................... 86
9.2.2. Raw data types and byte order ............................................................................................................................ 86
9.2.3. Data points configuration .....................................................................................................................................87
9.3. Export and import configuration ....................................................................................................................................89
9.4. Data report ....................................................................................................................................................................91
9.4.1. Communication channel .......................................................................................................................................91
9.4.2. Report method .....................................................................................................................................................92
9.4.3. Payload-Json template ........................................................................................................................................ 93
9.4.4. Test ..................................................................................................................................................................... 95
9.5. Data query .................................................................................................................................................................... 97
9.5.1. Json ......................................................................................................................................................................97
9.5.2. Modbus slave address and register mapping .......................................................................................................99
9.5.3. Modbus TCP ......................................................................................................................................................100
9.5.4. Modbus RTU......................................................................................................................................................102
10. IO channels ..........................................................................................................................................................................105
10.1. IO function ..................................................................................................................................................................105
10.1.1. Web interface .................................................................................................................................................... 105
10.2. Modbus TCP query/control ........................................................................................................................................106
10.2.1. DI status query ..................................................................................................................................................107
10.2.2. AI status query ..................................................................................................................................................109
10.2.3. DO query/control ............................................................................................................................................. 110
10.3. Modbus RTU query/control ........................................................................................................................................111
10.3.1. DI status query .................................................................................................................................................. 112
10.3.2. AI status query ..................................................................................................................................................113
10.3.3. DO control/query ............................................................................................................................................. 113