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Unigate CL RS232 / 422 / 485 Gateway


MPN: V3546

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Delivery: Ships same or next business day

Availability: in stock

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Warranty: 1 year Comprehensive support for all products

RS232/422/485 enable any RS232/485/422 serial or Modbus device with the UNIGATE CL Gateway. Make any serial device a RS232/422/485 Master/Slave using the UNIGATE CL Gateway. Its low-cost and flexibility are ideal for high volume applications. One side of the gateway is a fieldbus, RS232/422/485 Master/Slave, while the other side is a high performance serial port that directly interfaces with your serial device. The serial side of the UNIGATE can either be used in one of many standard configurations (including Modbus RTU master/Master/Slave and standard RS232/422/485), or can be customized with its built-in scripting language. Volume and OEM pricing available.

The UNIGATE CL Gateway allows for the quick development of custom applications on the serial side using its powerful scripting language. When developing a custom application, or for simple configuration to a standard protocol, we recommend using a Starter Kit. Starter kits contain all the connection cables and power supplies for configuring and/or scripting. There is even a RS232/422/485. Scripts are written using the Protocol Developer Tool. If you need a custom protocol and scripting is not for you, Grid Connect offers scripting services at reasonable rates (call for details).

  • Complete RS232/422/485 Master/Slave
  • Script language for optimal adaptation to your field device
  • Easy configuration from MS Windows® using the WinGate tool.
  • Develop customized scripts with the free Protocol Developer software tool
  • Scripts are portable between all other UNIGATE CL or IC Gateways
Baud rate
  • RS232/422/485 Bus: Up to 625 Kbps
  • Serial: Up to 625 kbps
Bus buffer 244 Bytes I/O
Bus termination Switch-able
Certifications PNO/PTO RS232/422/485 , CE
Characters t 7 or 8 data bits
  • Serial: RS232 - 3 Pole Terminal Block (Tx, Rx, Gnd)
  • Serial: RS422/RS485 - 4 Pole Terminal Block (RxA, RxB, TxA, TxB)
  • RS232/422/485: 9 pin D-Sub Socket (9-pin Female DB9)
  • Configuration/Programming Port Interface: Terminal Block (Tx, Rx)
Current Typical 120mA, max. 150mA at 24VDC
Data buffer 1024 Bytes Input and 1024 Bytes Output
Data rates t 110 to 625 kbps Baud
Dimensions 23 x 115 x 100 mm
Enclosure IP24
Included software MS Windows®-based WinGate configuration software, and Protocol Developer script development software
Indicators led
  • Serial: Power, Code, State
  • PowerLink: Power, Bus, State
  • Isolated RS232/422/485 interface, optional galvanic isolation of the serial RS side
  • Serial RS232, RS422 and RS485 interfaces on board
Isolation Galvanic Isolation
Mounting DIN Rail
Mpn V3546
Parity odd, even, none
Product weight 130 g
  • Serial: RS232, RS422 or RS485, Modbus, plus Custom Protocols through Scripting
  • RS232/422/485: Modbus Master/Slave, Custom
  • Configuration/Programming Port Interface: RS232 (9600 Baud, 8, n, 1)
Security/Protection Reverse Voltage, Short Circuit, Overload, Under voltage
Slave address Master/Slave: Rotary Switches or via RS232/422/485
Stop bits 1 or 2
Storage specifications Temperature: -40°C to +70° C
Temperature range Operating: 0°C to +55°C


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