6
USB-503-RJ45 (Ver.1.0)
3.1.
Optional Accessories
Model Name
Image
Description
PEN-003
USB series Attachment with clamping screw
JAN
：
4937920800709
PEN-003-DIN
USB series Attachment for 35mm DIN rail
JAN
：
4937920800716
PEN-003-MG
USB series Attachment with neodymium magnet
JAN
：
4937920801201
3.2.
RS-485 (2 wire) Mode
Item
Specification
Remarks
Comm. Method
Half-duplex transmission
Baud Rate
300bps to 250 Kbps
Custom baud rate is supported
Number of Connectable
Terminals
128
Typical example
Terminal Resistor
120
Ω
Configurable by setting switch
ON/OFF
Transmit-Receive
Switching
Automatically controlled
by USB controller
RS-485 mode can communicate with multiple terminals by using a twist pair cable.
4.
Device Driver
When the device is connected to a USB port of PC for the first time, the device
driver is needed to install on the USB port. When there are multiple USB ports, the
driver is needed to install on each port. The device driver and its install manual are
included in the CD bundled with the product. And they are also available on its
product page. Please refer to the Chapter 8. "Additional Documentation and User
Support".
