[USB-503-RJ45] USB to RS485 Converter (RJ45 type)
Compact isolated USB RS-485 Converter
Available LAN cable
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Overview
USB-503-RJ45 is a converter that converts from USB to RS485. It is an isolated type that can be used safely even for use in the factory environment.
It is a general specification and can be used for a wide range of applications.
RS485 is equipped with RJ45 connectors used for LANs, and commercially available LAN cable can be used as communication cables, so the work of wiring steps can be reduced.
*Second and subsequent images are CG models
* Image with optional accessories
Features
- Supports RS485 (Half Duplex)
-
2000VDC bus isolation
USB side and RS-485 side are isolated -
Baud rate up to 250Kbps
High-speed type USB-010 (MAX 12Mbps) is also available - 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
- RJ45 connector
-
No external power supply is required
USB-503-RJ45 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
Specification
| Item | Description | Remarks |
|---|---|---|
| Model | USB-503-RJ45 | |
| Input Power |
5VDC Supplied through a USB port (Bus-powered) |
No external power supply required |
| Current Consumption | Less than 80 mA | |
| I/O Interface | RS485 |
ESD protection 
|
| HOST Interface |
USB 2.0 compliant Support Full Speed |
USB 1.1 compatible ESD protection |
| Baud Rate | 300 bps to 250 Kbps | 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 | 384 bytes | |
| FIFO TX Buffer Size | 128 bytes | |
| Isolation Method | Bus Isolation | |
| Isolation Protection | 2000VDC | Designed value |
| Processor | FT232BL | FTDI |
| USB Driver | Virtual COM port driver | |
| Support OS | Windows 10/8.1/8/7 | |
| LED |
PWR: USB bus power RX: Receive data TX: Transmit data |
|
| USB Connector | Standard Type B Female | |
| RS485 Connector | RJ45 connector | Available LAN cable |
| Operating Ambient Temperature | -10 to 60℃ (14 to 140 [°F]) | No condensation permitted |
| Operating Ambient Humidity | 10 to 85%RH | No condensation permitted |
| Storage Ambient Temperature | -20 to 55℃ (-4 to 131 [°F]) | No condensation permitted |
| Storage Ambient Humidity | 10 to 85%RH | No condensation permitted |
| 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
RJ45 pinouts
| Pin No | Name | Notes | |
|---|---|---|---|
|
1 | B | Transmit/Receive data + |
| 2 | A | Transmit/Receive data - | |
| 3 | GND | Signal ground | |
| 4 | GND | Signal ground | |
| 5 | GND | Signal ground | |
| 6 | GND | Signal ground | |
| 7 | GND | Signal ground | |
| 8 | GND | Signal ground | |
LAN Twisted Pair Cable Color Codes
- 1-2 are a twisted pair
- Make sure to use 8-core cable
- The color codes might be different in the straight and cross cable
Package Contents
- USB-503-RJ45
- 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 Converter (RJ45 type) |
USB-503-RJ45 |
|
||
|
Attachment with clamping screw |
PEN-003 |
|
||
|
Attachment for 35mm DIN rail |
PEN-003-DIN |
|
||
|
Attachment with neodymium magnet |
PEN-003-MG |
|
Ordering
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