[USB-508] USB to RS485/422 Converter Compact MAX 12Mbps
Compact isolated USB RS-485/422 Converter
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Overview
USB-508 is a USB to RS485/422 converter that can use RS-485/422 from USB interfaces. This is an insulation type that can be used safely even in the FA environment.
*Second and subsequent images are CG models
* Image with optional accessories
Features
- Supports RS-485/422 (Full-duplex)
- 2000VDC bus isolation
USB side and RS-485/422 side are isolated - Baud rate up to 12 Mbps
- Supports custom baud rate
- Auto transmit data control
Built-in USB-serial chip has auto transmit controller and the driver is activated when it transmit the data - Built-in fail-safe bias resisters
- Termination resistance setting switch
- Pluggable the screw terminal
- No external power supply is required
USB-508 is powered through a USB port (Bus-powered) - Reliable industrial grade design
- ESD and surge protection
CE-certified USB-003 is also available - Housing material: Plastic
- DIN rail, magnet, and screw mountable (Attachment is required)
- Includes a USB cable (1.8m)
- Non-use of 10 Restricted substances of RoHS directive
- MADE IN JAPAN
 |
Reference dataUSB Compliance testEye pattern of upstream tests  |
Specification
| Item | Description | Remarks |
|---|---|---|
| Model | USB-508 | |
| Input Power | 5VDC Supplied through a USB port (Bus-powered) |
No external power supply required |
| Current Consumption | Less than 250 mA | |
| I/O Interface | RS-485/422 (4-wire) | ESD protection  |
| HOST Interface | USB 2.0 compliant Support High/Full Speed |
USB 1.1 compatible ESD protection |
| Baud Rate | 300 bps to 6M/8M/12M bps | Support custom baud rate |
| Data Bits | 7 or 8 bit | |
| Stop Bits | 1 or 2 bit | |
| Parity | Even, Odd, No-parity | |
| FIFO RX Buffer Size | 1024 bytes | |
| FIFO TX Buffer Size | 1024 bytes | |
| Isolation Method | Bus Isolation | |
| Isolation Protection | 2000VDC | Designed value |
| Processor | FT232H | FTDI |
| USB Driver | Virtual COM port driver | |
| Support OS | Windows 11/10/8.1/8/7 | |
| LED | PW: USB bus power TX/RX: Transmit/Receive data (Bi-Color LED) |
TX: GREEN RX: RED |
| USB Connector | USB2.0 Type-B Female | |
| RS-485/422 Connector | 5pin Detachable screw terminal | PHOENIX CONTACT 3.5mm pitch |
| Operating Ambient Temperature | -20 to 60℃ (-4 to 140 [°F]) | No condensation permitted |
| Operating Ambient Humidity | 10 to 90%RH | |
| Storage Ambient Temperature | -20 to 60℃ (-4 to 140 [°F]) | |
| Storage Ambient Humidity | 10 to 90%RH | |
| Weight | Approx. 70 [g] | Only main body |
| Dimensions | 67 x 43.5 x 27 [mm] (2.638" x 1.713" x 1.063") |
Without projections |
* Power saving function (suspend, standby, sleep and others) is not supported
RS485/422 Connector pinouts
Terminal block can be plugged and unplugged while tired. But do not connect or disconnect the terminal block while the power is on. Ground connection is recommended.
| Signal | Signal and Polarity | |
|---|---|---|
 |
Z | SD - |
| Y | SD + | |
| GND | Signal ground | |
| B | RD - | |
| A | RD + |
Package Contents
- USB-508
- USB cable 1.8m
- Driver & Application CD
Documentation
User's manual, Outline Drawing, etc
Price and Optional Accessories
| Description | MODEL | Image | List Price (JPY) | Stock Status |
|---|---|---|---|---|
| USB to RS485/422 Converter Compact |
USB-508 |  |
||
| Attachment with clamping screw |
PEN-003 |  |
||
| Attachment for 35mm DIN rail |
PEN-003-DIN |  |
||
| Attachment with neodymium magnet |
PEN-003-MG |  |
||
| Detachable 5P Terminal Connector 1840395 (Phoenix) (Additional purchase) |
TB35-USB-5 |  |
Ordering
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