USB-2COMi-M

2-Port USB to Serial Adapter (RS-422/485), DIN-rail & Wall Mountable Metal Case, 15KV ESD Protection

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Description

The USB Industrial I/O Adapter is designed to make industrial communication port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Industrial I/O Adapter instantly adds industrial communication port to your system. By taking advantage of the USB bus, the USB Industrial I/O Adapter makes it easier than ever to add RS-422 or RS-485 device to your system with easy plug-and-play and hot plug features. Adapting the new technology, the industrial I/O communication port expansion now takes the new bus with easy and convenient connectivity.

Plugging the USB Industrial I/O Adapter to the USB port, the adapter is automatically detected and installed. There are no IRQ & COM port conflicts, since the port doesn’t require any additional IRQ, DMA, memory as resources on the system. The RS-422 / 485 port functions as native Windows COM port, and is compatible with Windows serial communication applications.

The USB Industrial I/O Adapter provides instant connectivity to RS-422/485 communication device for factory automation equipment, multi-drop data collection devices, barcode readers, time clocks, scales , data entry terminals, PC to PC long distance communications and serial communication in harsh environments. The USB Industrial I/O provides industrial solution for applications requiring single node or multi-drop communications over short and long distance.

Features


  • Adds two high speed RS-422/485 serial port by connecting to a USB port
  • DB9 male connectors & 6-pin terminal block connectors for optimal flexibility
  • SECC metal chassis suitable for DIN rail mounting
  • Powered by USB port, no external power adapter required
  • LEDs indicate power, TxD and RxD for easy port monitoring and diagnosis
  • Installs as a standard Windows COM port
  • Automatic transmit and receive control for 2-wire RS-485 half-duplex mode
  • Built-in termination and biasing
  • Serial port protected with 15KV ESD protection
  • Non-standard baudrates supported
  • Easy plug and play installation and RS-422/485 device connection
  • High speed serial port with baud rate up to 3Mbps
  • Supports Windows XP to 11, Server 2000 to Server 2022 (WHQL certified)
  • Supports Linux Kernel 3.0 and above
  • Supports Mac OS X 10.3 and above, driver signed by Apple

Specifications

USB Bus
ComplianceUSB 2.0 Full Speed, USB 1.1 compliant
Speed12Mbps, full-speed USB
ConnectorUSB type B
FIFO128 bytes transmit 384 bytes receive
Operating SystemsSupports Windows XP to 11, Server 2000 to Server 2022 (WHQL certified)
Supports Linux Kernel 3.0 and above
Supports Mac OS X 10.3 and above, driver signed by Apple
InstallationThe driver is already installed (Linux), or automatically downloading and installing device drivers after Device connection (Windows).
Serial Interface
InterfaceRS-422/485
Number of Ports2
ConnectorDB9 male 6-pin terminal block
Max. SpeedData transfer rates from 300 baud to 3M baud
RS-422 SignalsTxD-, TxD+, RxD+, RxD-, GND, RTS-, RTS+, CTS+, CTS-
RS-485 Signals (4 wire)TxD-, TxD+, RxD+, RxD-, GND
RS-485 Signals (2 wire)Data-, Data+, GND
Protection15kV ESD protection for all signals
Serial Communication Parameters
Data Bits7, 8
ParityNone, Even, Odd, Mark, Space
Stop Bit1, 2
Flow ControlHardware (RTS, CTS), XON/XOFF
Power
Power InputPower supplied via USB connector
No external power needed
Mechanical
CasingSECC metal chassis suitable for DIN rail mounting
Environmental
Operating Temperature0°C to 55°C (32°F to 131°F)
Storage Temperature-20°C to 75°C (-4°F to 167°F)
Operating Humidity5% to 95% RH
Safety ApprovalsCE, FCC

Document


Product Manual

Software


Driver Installation

You need to install driver first, prior to hardware installation. Do not connect the USB-to-Serial Adapter to the USB port of your computer, before you finish driver installation. 

Uninstalling Drivers

Uninstallation Guide For Windows 2000

Uninstallation Guide For Windows 10, 8.1, 8, 7, Vista, XP, Server 2016, Server 2008, Server 2003

Pinout

RS-422 DB9 Male Connector Pinout

PINSIGNAL
1TxD- (A)
2TxD+ (B)
3RxD+ (B)
4RxD- (A)
5GND
6RTS- (A)
7RTS+ (B)
8CTS+ (B)
9CTS- (A)
WordPress Table

RS-422 Terminal Block Pinout

PINSIGNAL
1TxD- (A)
2TxD+ (B)
3RxD+ (B)
4RxD- (A)
5GND
WordPress Table

RS-485 4-Wire (Full duplex) DB9 Male Connector Pinout

PINSIGNAL
1TxD- (A)
2TxD+ (B)
3RxD+ (B)
4RxD- (A)
5GND
WordPress Table

RS-485 4-Wire (Full duplex) Terminal Block Pinout

PINSIGNAL
1TxD- (A)
2TxD+ (B)
3RxD+ (B)
4RxD- (A)
5GND
WordPress Table

RS-485 2-Wire (Half duplex) DB9 Male Connector Pinout

PINSIGNAL
1Data- (A)
2Data+ (B)
5GND
WordPress Table

RS-485 2-Wire (Half duplex) Terminal Block Pinout

PINSIGNAL
1Data- (A)
2Data+ (B)
5GND
WordPress Table