Have any questions?
+1 376-226-3126



STHM-MBIO is Modbus RTU Remote IO Module to help PLC/SCADA/BMS and any IoTs gateway extend the number of I/O capabilities. STHM-MBIO has a simple but powerful design with 4 AI/DI, 4 DI, 4 Relay, 1 Pulse PWM output, 1 RS485 Master ModbusRTU and 2 RS485 Slave ModbusRTU allow them to connect to more devices such as sensors, meters, … directly and easily. The module with advanced technology provide high stability and reliability, multiple functions and easy installation with DIN rail design. The module can be used in many applications such as machine monitoring, manufacture monitoring, environmental monitoring, smart farms, etc.

Modbus Protocol

  • Easily integrate to PLC/SCADA/BMS system via standard Modbus Protocol

Multiple I/O

  • Multiple I/O like Digital, Analog, Relay, Pulse in one Single Device

Easy Config

  • Easy configuration by Modbus master software on PC

DIN rail

  • DIN rail design for easy mounting
Digital Inputs 04 x Ports, opto-coupler, 4.7 kohms input resistance, 5000V rms isolation, Logic 0 (0-1VDC), Logic 1 (5-24VDC), Functions: logic status 0/1 or Pulse counting (32 bit counter with max 2kHz pulse)
Analog Inputs 04 x Ports, select between 0-10VDC input or 0-20mA input, 12 bit Resolution, can be configured as Digital input by DIP switch (max 10VDC input)
Relay Output 04 x Ports, electro-mechanical Relays, SPDT, contact rating 24VDC/2A or 250VAC/5A, LED indicators, Latch control enable
Pulse Output 01 x Ports, open-collector, opto-isolation, max 10mA and 80VDC, On/off control, Pulser (max 2.5Khz, max 65535 Pulses) or PWM (max 2.5Khz)
Communication 02 x ModbusRTU-Slave, 01 x ModbusRTU-Master, RS485, speed 9600 or 19200, LED indicator
Reset button For resetting 02 x RS485 Slave port to default setting (9600, None parity, 8 bit)
Power supply 9..36VDC
Consumption 80mA @ 24VDC supply
Mounting type DIN rail
Terminal Block pitch 5.0mm, rating 300VAC, wire size 12-24AWG
Working temperature/humidity 0..60 degC / 95%RH non-condensing
Dimension H87xW117xD42
Net weight 80 grams

Enquiry Form