Name: USR IOT USR-M100
Brand: USR IOT
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User Manual

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106

Fig. 161 IO configuration

10.2. Modbus TCP query/control

We choose socket A of Uart1 as the communication channel as an example to illustrate it. User can also choose socket B and other

Uart port.

Fig. 162 Socket setting for modbus TCP

Table of Contents2
Introduction6
Overview6
Features6
Get Started7
Installation7
DIN-Rail Mounting7
Wall Mounting8
Serial Port8
I/O Interfaces8
I/O Specifications10
I/O Wiring10
Modbus Address Mapping Table11
Power Supply12
Ethernet RJ45 Interface12
LED Indicators12
Factory Default Settings13
Quick Test13
Download the Software13
Hardware Connection14
Network Configuration（Step115
Data Transmission Test（Step2 and 317
Reload Factory Settings Button18
Technical Support and Assistance18
Configuration and Parameter Details19
Web Interface19
Status19
IP Settings20
Serial Port Settings22
Websocket Server24
MQTT Gateway24
Edge Computing27
IO Settings30
Cloud Service32
System Setup32
System Setting32
Management33
Configuration Software34
Discovering Your Gateway34
Network Setting34
Reboot the Device35
Restore to Factory Default Settings35
Open Web Server36
Operation Modes36
TCP Server36
Properties36
Multihost Setting38
TCP Client38
Properties38
Ssl/Tls40
Transient Connection40
UDP Server41
Properties41
UDP Client42
Properties42
UDP Multicast43
HTTP Client45
Properties45
Https46
Websocket Server46
Virtual COM Port48
TCP Server Application with Virtual COM50
TCP Client Application with Virtual COM52
Enable RFC2217 through Virtual COM54
PUSR Customized RFC2217 Protocol56
Modbus TCP/RTU Gateway57
Ethernet Masters with Serial Slaves57
Serial Master with Ethernet Slave58
Serial Master with Serial Slaves60
Serial Master Via Virtual COM with Serial Slaves61
Modbus Poll with Serial Heartbeat Packet64
Advanced Features65
Packing Mechanism65
Heartbeat Packet66
Registration Packet67
Socket B68
Rs485 Bus Detection68
Serial Printer Setting69
Ntp71
Snmp72
MQTT Gateway73
Basic Settings73
Publishing a Message76
Mqtt.fx Tool Introduction76
Transparent Transmission78
Topic Distribution80
Custom Mode82
Subscribe to a Topic84
Edge Computing86
Add Modbus Slave Device86
Add Modbus Data Points87
Register Type and Offset87
Raw Data Types and Byte Order87
Data Points Configuration88
Export and Import Configuration90
Data Report92
Communication Channel92
Report Method93
Payload-Json Template94
Test96
Data Query98
Json98
Modbus Slave Address and Register Mapping100
Modbus TCP101
Modbus RTU103
IO Channels106
IO Function106
Web Interface106
Modbus TCP Query/Control107
DI Status Query108
AI Status Query110
DO Query/Control111
Modbus RTU Query/Control112
DI Status Query113
AI Status Query114
DO Control/Query114
MQTT Query/Control115
DI Status Query117
AI Status Query118
DO Control/Query118
DO Timing Trigger Control119
Edging Computing and Linkage Control119
Add IO Module120
Add IO Data Points120
IO Status Report121
IO Query122
Linkage Control123
Local Follow Logic123
Threshold Trigger124
AWS Iot Service126
PUSR Cloud Service126
Warranty126
Contact Us126
Disclaimer126
Revision History126

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USR IOT USR-M100 Specifications

General

Brand	USR IOT
Model	USR-M100
Category	Gateway
Language	English

USR IOT USR-M100 User Manual

Table of Contents

Questions and Answers:

USR IOT USR-M100 Specifications