USR-M100 (Remote IO Edge Gateway)

  • Secure Client work mode: TCPS, HTTPS, MQTTS
  • SSL/TLS Encryption in TCP client, HTTP Client and MQTT modes
  • Cloud support: MQTT via PUSR Cloud, AWS IOT, Microsoft Azure, Thingsboard, Alibaba Cloud, EMQX, Cumulocity IoT, etc.
  • Modbus Gateway: Modbus RTU to Modbus TCP, Modbus RTU to Json, Modbus Polling
  • IO Gateway: 2DO/2DI/2Al, I/O Expandable
  • Edge Computing: Edge acquisition, Periodic reporting, Computing/Linkage, On change reporting

Edge Computing, Enabling Edge Device Connectivity In The IIOT Era

Standard MQTT Protocol, Fast Access To Mainstream Cloud Platforms

Modular IO Gateway

  • Creative Modular Design.
  • Users can extend IO Modules according to needs.
  • Simple & Efficient & Cost-saving

Points Linkage, IO Linkage, Cloud Remote Control

Modbus Gateway

  • Support multi-host polling and Modbus protocol conversion.
  • Support slave data point configuration.
  • Report in custom Json format after edge computing.

Custom Json

JSON message custom conversion, supports protocol of various servers and can be used without complicated changes.

High Reliability Design


  • Hardware & software dual watchdog.
  • 7*24h stable operation without downtime.

Surge Protection

Protect device against damage caused by instantaneous current interference in circuit, such as lightning stroke, power switch, etc.

ESD Protection

Prevent electrostatic damage to equipment, such as dust electrostatic, electric arc, etc.

Product Details


Support DIN-rail & Panel Installation

Digital Agriculture/Livestock Solutions

M100 is connected to sensors such as temperature, humidity, water quality to monitor environmental data in real time. Meanwhile, it can automatically control irrigation equipment, blowers, etc based on these data, and can also be viewed and controlled on a PC and mobile phone.

Smart Home/Property Solutions

M100 can be used in various control scenarios of smart homes, such as checking temperature and humidity, air quality, controlling fresh air conditioners, various solenoid valves, lighting equipment, and access control garages. All status can be grasped through a mobile phone or computer.

Shipping List

Specification Parameters

Power Supply
Input Voltage9 – 36 VDC, reverse polarity protection, surge protection
Power ConsumptionIdle: < 2.4W, Max: <4.8W
Serial port
No.2 RS485 serial port, the first one can also be RS232
RS232Terminal block connector: TX, RX
RS485Terminal block connector:A,B
Baud rates600~230400bps
Data bits7,8
Stop bits1,2
ParityNone, Even, Odd, Mark, Space
Physical Interface
DI2 x Digital non-isolated input (0 -2 V detected as logic low,9 -36 V detected as logic high)
DO2 x Relays
DC contacts rating @R(at resistive load)10A / 28V DC
AC contacts rating @R(at resistive load)10A / 277V AC,NO
AC contacts rating @R(at resistive load)5A /250V AC, NC
AI2 x Analog input 4-20mA
Physical spec
Dimensions (W x H x D)79.6x 58 x110 (mm)
Mounting optionsDIN rail, wall mounting
Hardware protection
ESDIEC61000-4-2,Level 3, class B, contact6KV, air8KV
SurgeIEC61000-4-5,Level 3,class B
EFTIEC61000-4-4,Level 3,class B
Status LEDS
PowerON:Gateway is powered up
OFF: Gateway is not power up
WorkWhen the device is working properly, it blinks for 1s frequency
NETBlinking when the WAN connects to internet
OFF when there is no work
DATABlinking when serial port is transmitting data
DOLight on, the channel output is activated
DILight on, the channel is activated by input signal
ETHERNET1 x WAN port 10/100 Mbps, compliance IEEE 802.3, IEEE 802.3u standards, supports auto MDI/MDIX
MQTTSupported, standard MQTT protocol, 16 subscription topics and 16 publish topics
Linkage controlSupported. Data collection points, DI, and AI can be used as trigger and executed by DO
IOT PLATFORMSAlibaba cloud, AWS IOT, PUSR cloud
User ConfiguringWindows Utility, web console (HTTP)
Operating environment
Operating temperature-40 °C to 75 °C
Operating humidity10% to 90% non-condensing
Ingress Protection RatingIP30
Supported functions01, 02, 03, 04
Supported data formats8 bit: INT, UINT; 16 bit: INT, UINT (MSB first); 32 bit: float, INT, UINT (ABCD (big-endian), DCBA (little-endian), CDAB); 64bit:float
Supported data points128
RegulatoryCE/RED, RoHS

Request a Quote