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Tiny Serial Port Sharer and Baud Rate/ Modbus RTU/ASCII converter  with PoE and 3  RS-232 Ports <b>with Power Isolation</b> (RoHS)


Tiny Serial Port Sharer and Baud Rate/ Modbus RTU/ASCII converter with PoE and 3 RS-232 Ports with Power Isolation (RoHS)

  Price:  $249.00  

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ICP DAS USA developed new functions for the TSH-700 series, increasing support for a greater number of applications. The tSH-700 series are a serial port sharer that provides a number of functions, including "Baud Rate Conversion", "Modbus RTU/ASCII Conversion" and "Two Masters Share One Slave". The built-in web server provides easy configuration interface, and no console commands are required.


  • Office Lighting Control Application
  • Connect the two uplink serial ports on the tSH-735 module to the two control panels (Master controller such as TPD/HMI) in the front area as well as the back area of the office. And connect the downlink serial port on the tSH-735 module to the lighting control circuit (RS-485 bus). And then the lighting control of the office can be done by using the Master controller (TPD/HMI) in different locations.

    tSH-700 Office Application

  • Production Line Application
  • In this production line application, the monitoring & control center (HMI/SCADA) is connected to uplink serial ports on the tSH-734 module of the production line 1 and production line 2 via RS-485. And then the on-site Master controller (Panel PC) of the production line 1 and production line 2 are connected to another uplink serial port on the tSH-734 module via RS-232. Furthermore, the downlink serial port on the tSH-734 module is connected to the slave process controller (PAC/PLC) and then each on-site I/O module can be connected to the RS-485 serial port on the slave process controller (PAC/PLC) to achieve monitoring and control of the production process from the Monitoring & control center or from the on-site controllers.

    tSH-700 Application


Models tSH-732i
CPU 32-bit ARM
Communication Interface
Ethernet 10/100 Base-TX, 8-pin RJ-45 x 1 (Auto-negotiating, Auto-MDI/MDIX, LED indicator)
PoE (IEEE 802.3af, Class 1)
COM1 3-wire RS-232
COM2 3-wire RS-232
COM3 3-wire RS-232
Self-Tuner -
RS-485 Bias Resistor Yes, 1 KΩ
Node 254 (max.)
UART 16c550 or compatible
COM Port Format
Baud Rate 115200 bps Max.
Data Bit 5, 6, 7, 8
Parity None, Odd, Even, Mark, Space
Stop Bit 1, 2
Power Input PoE IEEE 802.3af, Class 1
DC Jack +12 ~ 48 VDC
Power Consumption 0.07 A @ 24 VDC
Connector 10-Pin Removable Terminal Block x 1
Mounting DIN-Rail
Operating Temperature -25°C ~ +75°C (-13°F ~ +167°F)
Storage Temperature -30°F ~ +80°C (-22°F ~ +176°F)
Humidity 10 ~ 90% RH, non-condensing

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