Converts RS232 <=> RS422/485
RS422/485 optical isolated
RS485 bitrate adaptive ART (Automatic
Receive Transmit control)
RS422 with Hardware handshake
Full Software Configuration, NO Jumpers.
Quick configuration for standard modes
Flexible power 9-30V DC
LED indicator for Power and signals
Internal Termination and BIAS by
software
DIN-Rail mountable
Overview: The SER-485 PRO is an adapter to
convert bidirectional signals from RS232
to RS422 and RS485 in industrial
environments. In RS485 mode the data
direction is managed by the bitrate
adaptive function of ART (Automatic
Receive Transmit control). ART analyzes
the data in real-time, and adapts to the
setup of the RS232 port.
All options and parameters of SER-485 PRO
operation are configured by software,
controlled via an easy-to-use menu
structure. This menu is accessed via
standard terminal programs. The SER-485
PRO is a NO Jumper type of device.
With SER-485 PRO often used operation
modes are selected by simple DIP switches.
The full versatility is controlled by the
built-in software configuration menu. The
behaviour of RS422 and various options of
RS485 are selected by an easy-to-use menu
structure.
The internal termination and BIAS
(polarization) resistors allow to prepare
the RS485 signals for connection to
customers networks. These internal
resistors are activated by relays,
controlled by the configuration menu.
There is no need to open the case for
configuration.
Specifications:
RS232: DTE/DCE selected by DIP
RS485: Automatic Receive Transmit control
(ART)
Baudrate adaption in real time
Line Adjust: Built-in Termination and
Polarization (BIAS) resistors
Operation Modes: RS422 with hardware
handshake
RS485 by ART, RTS or DTR
RS485 Half- and Full-Duplex
Two basic modes selected by DIP switch
Cable Length: max. 1200 m
Speed: max. 1Mbps
max. 250kbps with ART
Connector: RS232 1x DB9 female
RS485/RS422 1 x DB9 male plus Terminal
Block (5 c-clamps)
Software Configuration:
Configuration Menu: Various parameters of
signal conversion are defined via an easy-
to-use menu interface, access is via
standard terminal programs (Hyperterminal,
miniterm, ...)
Operation Modes: RS422
RS485 by RTS
RS485 by DTR
RS485 by ART (Automatic Receive Transmit
control)
ART options RS485: Transmit/Receive change
as quick, average, standard
Wiring: RS422 (4-wire)
RS485 Full Duplex (4-wire)
RS485 Half Duplex (2-wire) with Echo
RS485 Half Duplex (2-wire) no Echo
Termination: RS422/485 line termination
120© by relay, controlled via software
configuration
RS485 BIAS: BIAS (polarization) by special
drivers, controlled via software
configuration
Power and Environment:
Power requirements: 9-30V DC, 600mW
Power supply Adapter: 12V DC, 500mA
Dimensions: 67×90×27 mm³ (W×L×H)
Operating Temp: 0°C - 60°C
Storage Temp: -20°C - 85°C
Case: SECC sheet metal (1mm)
Weight: 150g
Ordering Information:
Product Name: VScom SER-485 PRO-SI
Packing list: VScom Converter SER-485 PRO
Power Supply
English Documentation
Optional Accessories: . DIN-Rail mounting
clamp
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