Serial Port Sharing Device with 1 RS-485 port and 2 (3-wire) RS-232 ports
Serial Port Sharing Device with 1 RS-485 port and 2 (3-wire) RS-232 ports.
The tSH-734 module is a serial port sharer (2 RS-232 and 1 RS-485) that provides a number of functions, including "Baud Rate Conversion", "Modbus RTU/ASCII Conversion" and "Two Masters Share One Slave". It has a built-in web server that provides a configurable interface. No console commands are required. Ideal to use with the Calamp Integra-TR serial radio to adapt to RS-485 or interface to serial baud rates greater than the 19,200 that the Integra-TR supports.
This device has Baud Rate and Modbus RTU/ASCII Conversion features. The Baud Rate Conversion makes it possible communication between master and slave devices. It allows for differences in baud rates and data formats to be sent. Modbus RTU/ASCII Conversion allows for a single Modbus RTU master device to communicate with Modbus RTU/ASCII slave devices through different protocols, baud rates, and formats.
- Supports Baud Rate conversion application
- Supports Modbus RTU/ASCII protocol conversion
- Supports two masters sharing one slave port
- Raw data mode for most query-response protocols
- Built-in Web Server for easy configuration (HTTP)
- Redundant power inputs: PoE (IEEE 802.3af, Class 1) and DC jack
- Automatic RS-485 direction control
- Tiny form-factor and low power consumption
CPU 32-bit ARM
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 2-wire RS-485
COM2 3-wire RS-232
COM3 3-wire RS-232
Self-Tuner Yes, automatic RS-485 direction control
RS-485 Bias Resistor Yes, 1 KΩ Node 254 (max.)
UART 16c550 or compatible
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 0.07 A @ 24 VDC
Connector 1 0-Pin Removable Terminal Block x 1
Operating Temp -25°C ~ +75°C (-13°F ~ +167°F)
Storage Temp -30°F ~ +80°C (-22°F ~ +176°F)
Humidity 10 ~ 90% RH, non-condensing