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SER-485 ISO
(SER-485 PRO, SER-485 Lite, SER-485 PRO-SI)

bidirectional Converter RS232 to 422/485, galvanically isolated

VScom SER-485, a converter from RS232 to RS422/485
Features
Specifications
Ordering Information
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The SER-485 is a smart bidirectional RS232 to RS422/RS485 converter that is fully configurable by software and suitable for industrial environments. The device supports the ARTc (Automatic Receive/Transmit Control) for RS485 and auto baud rate sensing. Whilst automatic line termination exists there is no need for biasing differential lines easing its deployment. Both the RS232 and the RS422/RS485 interfaces are ESD surge protected. The device is a table, Din-Rail or wall mountable system.

ARTc (Automatic Receive Transmit control)

In the RS485 mode, the data direction is managed by the bitrate adaptive function of the ARTc to allow faster transmitter switch-off times. Auto baud rate sensing analyses the data in real-time and adapts to the speed of the RS232 port; this way the change from transmit to receive is done quickly and automatically.

Software Configuration

All options and parameters of the SER-485 operation are configured by a software and controlled by an easy-to-use menu structure. This menu is accessed from standard terminal programs. The SER-485 has NO jumpers.

Quick & Easy DIP control

Operation modes that are frequently used by the RS485/RS422 are selected by rear DIP switches. The full versatility is controlled by the built-in software configuration menu.
The internal termination resistors help to adjust the RS485 signals to connect to customers networks. These internal resistors are controlled by the configuration modes.

ESD protection and Isolation

For usage in hazardous industrial environments, the RS232 & RS422/RS422 interfaces and DCin are +/-16KV air and +/-8KV contact ESD surge protected. Long distance RS485/RS422 connections with unbalanced ground loops could seriously damage the equipment; As such, an ISO version offers 2.5kV galvanic isolation.

Features

  • Converts RS232 <=> RS422/485
  • ARTc(Automatic Receive/Transmit Control) for RS485
  • Auto Baudrate sensing
  • Built-in 120Ω termination, no biasing needed
  • LEDs for Power, RS232 & RS485
  • Full software configuration, no jumpers
  • Quick DIP configuration for standard modes
  • Wide power supply range 9-30V @ 100mA
  • 16kV ESD surge protection
  • 2.5kV electrical isolation (ISO version only)
  • DIN-Rail/Wall mountable option

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Specifications
Port RS232
  No. of Ports/Type
1 × RS232
  Connector
DB-9 female
  Protection
16kV ESD surge protection
  Signals
TxD,RxD, RTS, GND
  Baudrate
200 bps to 460.8/500 kbps
  LEDs
TxD/RxD
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Port RS422 / 485
  No. of Ports/Type
1 × RS422/485 selected by DIP-switch or software
  Connector
DB-9 male
  Protection
16kV ESD surge protection
2.5kV electric isolation (ISO version only)
  Operating Modes
RS422 full duplex              (120Ω on/off)
RS485 4 wire, full duplex    (120Ω on/off)
RS485 2 wire, half duplex   (120Ω on/off)
  Configuration
One DIP switch sets operating mode and RS422/485 termination
Also software can configure this
No High/Low biasing resistors needed
  Signals
RS422: Tx+/-, Rx+/-, GND
RS485 4 wire: Tx+/-, Rx+/-, GND
RS485 2 wire: Data+/-, GND
  RS485 Data Direction Control
ARTc (Automatic Receive Transmit control)
RTS Signal on RS232 port
  Baudrate
RS422: 200 bps to 500 kbps
RS485+ARTc: 200 bps to 250 kbps
RS485+RTS: 200 bps to 500 kbps
  LEDs
TxD/RxD, ARTc
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Software Configuration
  Configuration Menu
Software Utility with easy-to-use menu interface is accessed via standard terminal programs (Hyperterminal, PuTTY, miniterm, ...)
  ARTc Options
ARTc: Transmit/Receive change as quick, average, standard
By RTS signal
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Power Requirements
  Input Voltage
9-30V DC
  Power Consumption
50mA @ 12V, 600mW
  Connector
3-pin Terminal Block
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Housing and Mounting
  Case
0.8mm sheet metal
  Weight
w/o box 220g; w/h box 300g
  Dimensions
115×73×25 mm³ (W×L×H)
  Packaged
150×107×48 mm³
  Mounting
DIN-Rail (optional)
Wall mount (optional)
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Environmental Data
  Operating Temp
−20°C - 65°C
  Storage Temp
−20°C – 85°C
  Ambient Humidity
5-95% non condensing
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Standards
  Declarations
CE, FCC
  EMI
EN 55022 Class B
EN 61000-3-2: Limits of harmonic current emissions
EN 61000-3-3: Limitation of voltage changes
47 CFR FCC Part 15 Subpart B
  EMS (EN 55024)
EN 61000-4-3: Radiated RFI
EN 61000-4-4: Electrical Fast Transient
EN 61000-4-5: Surge
EN 61000-4-6: Induced RFI
EN 61000-4-8: Power Frequency Magnetic Field
EN 61000-4-11: Power supply dips
  ESD
EN 61000-4-2 4kV contact 8kV air for
Serial Ports
DC Power connector
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MTBF (Mean Time Between Failures)
  MTBF
available soon
  Standard
Telcordia (Bellcore) Standard; RelCalc. 5.0 BELL-7
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Warranty
  Warranty Period
2 years
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Ordering Information
  414
SER-485
  415
SER-485 ISO
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Options
  6033
Power adapter 110-230V AC to 9V @ 300mA, DC, EU plug
  6034
Power adapter 110-230V AC to 12V @1A, DC, US plug
  6692
DK-NCP DIN-Rail mounting kit (clamp on rear side)
  6693
WK-NCP Wallmount kit
  663
DB9F-to-TB/5Pins for RS422/485 free wiring option
  6061
DB9F-to-RJ45 for changing from DB9 male to CAT5 wiring
(Optimised for RS422/485 operating modes)
  6062
RJ45-to-DB9M for changing back from CAT5 to DB9 wiring
(Required to match the DB9 pinout at SER-485)
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Packaging
  Packing list
Converter SER-485
Terminal block for Power Supply
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You can purchase VSCOM's products easily from a wide variety of leading technology distributors or partners. Please call us or contact us by mail to find the best ordering method for your needs.
 
  * Specifications are subject to change without notice.
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