B&B Electronics VESR321-ML-SL User Manual
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Vlinx Serial Servers
Models VESR321
Documentation Number: VESR321-xx_R000_0413m
This product designed and manufactured in Ottawa, Illinois, USA using domestic and imported parts by
International Headquarters
707 Dayton Road - P.O. Box 1040 - Ottawa, IL 61350 USA
Phone (815) 433-5100 - General Fax (815) 433-5105
Website: www.bb-elec.com
European Headquarters
B&B Electronics
Westlink Commercial Park - Oranmore, Co. Galway, Ireland
Phone +353 91-792444 - Fax +353 91-792445
Website: www.bb-europe.com
B&B Electronics Mfg. Co. Inc – October 2012
©2010 B&B Electronics Mfg Co Inc No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photography,
recording, or any information storage and retrieval system without written consent. Information in this manual is subject to change without notice, and does not represent a
commitment on the part B&B Electronics Mfg Co Inc.
B&B Electronics Mfg Co Inc shall not be liable for incidental or consequential damages resulting from the furnishing, performance, or use of this manual.
All brand names used in this manual are the registered trademarks of their respective owners. The use of trademarks or other designations in this publication is for reference
purposes only and does not constitute an endorsement by the trademark holder.
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Table of Contents
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1. Introduction ....................................................................................................................................................... 1
About VESR321 Family Serial Servers .................................................................................................................................. 1
VESR321 Family Serial Server Model Numbering ................................................................................................................. 1
VESR321 Family Serial Server Features ............................................................................................................................... 2
Vlinx Manager Configuration Software .................................................................................................................................. 2
2. Hardware ........................................................................................................................................................... 3
Package Checklist ................................................................................................................................................................. 3
VESR321 Enclosures and Mounting...................................................................................................................................... 3
LED Indicators....................................................................................................................................................................... 3
Mode Switch ......................................................................................................................................................................... 3
Ethernet Connector ............................................................................................................................................................... 4
Fiber Optic Connectors ......................................................................................................................................................... 4
Serial Port Connectors .......................................................................................................................................................... 4
Power Connector .................................................................................................................................................................. 6
Mounting Hardware ............................................................................................................................................................... 6
3. Setup and Connections .................................................................................................................................... 7
Connecting the Power Supply ................................................................................................................................ ............... 7
Connecting VESR321 Family Serial Servers to Serial Devices .............................................................................................. 7
Connecting the VESR321 .......................................................................................................................................... 8
Connecting VESR321 Serial Servers to a Network ................................................................................................................ 8
Network Connection (10BaseT/100BaseTX) .......................................................................................................... 8
Fiber Optic Connection ............................................................................................................................................... 8
VESR321 Family Serial Server Configuration Connections ................................................................................................... 9
Configuring the VESR321 Family Serial Server via the Network Connection ................................ .................... 9
Configuring the VESR321 Family Serial Server via the Serial Port (Console Mode) ...................................... 11
VESR321 Family Serial Servers Operational Connections ................................................................................................ .. 11
Using VESR321 Serial Servers in Direct IP Mode ............................................................................................... 12
Using VESR321 Family Serial Servers in Virtual COM Port Mode ................................................................ .... 12
Using VESR321 Family Serial Servers in Paired Mode ...................................................................................... 12
Initiating a Hardware Reset on the Serial Server ................................................................................................................. 13
Reloading Factory Defaults ................................................................................................................................................. 13
4. Properties ........................................................................................................................................................ 15
Baud Rate ........................................................................................................................................................................... 15
Character Count ................................ ................................................................................................................................ .. 15
Configuration Files .............................................................................................................................................................. 15
Data/Parity/Stop .................................................................................................................................................................. 15
Default Gateway .................................................................................................................................................................. 16
Delimiters ............................................................................................................................................................................ 16
Delimiter 1 .................................................................................................................................................................. 16
Delimiter 2 .................................................................................................................................................................. 16
Delimiter Removal ..................................................................................................................................................... 16
How Delimiters Work ................................................................................................................................................ 16
DHCP .................................................................................................................................................................................. 16
Firmware Version ................................................................................................................................................................ 17
Flow Control ........................................................................................................................................................................ 17
Forced Transmit .................................................................................................................................................................. 17
Hardware Version ............................................................................................................................................................... 17
Inter-character Timeout ....................................................................................................................................................... 17
IP Address .......................................................................................................................................................................... 18
Link Status ................................................................................................ .......................................................................... 20
MAC Address ...................................................................................................................................................................... 20
Model .................................................................................................................................................................................. 21
Network Protocols ............................................................................................................................................................... 21
Network Watchdog .............................................................................................................................................................. 21
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Table of Contents
Paired Mode ........................................................................................................................................................................ 21
Password ............................................................................................................................................................................ 21
Serial Interface Modes ........................................................................................................................................................ 22
Serial Server Name ............................................................................................................................................................. 22
Server Serial Port Number .................................................................................................................................................. 22
Serial Watchdog ................................ ................................................................................................................................ .. 22
Subnet Mask ....................................................................................................................................................................... 22
TCP (Transmission Control Protocol) .................................................................................................................................. 23
UDP (User Datagram Protocol) ........................................................................................................................................... 23
VCOM (Virtual COM Port) ................................................................................................................................................... 23
5. Upgrading Firmware ....................................................................................................................................... 24
Downloading Firmware Files ............................................................................................................................................... 24
Uploading the Firmware to the Serial Server ....................................................................................................................... 25
6. Diagnostics ..................................................................................................................................................... 26
Testing a Serial Server Connection ..................................................................................................................................... 26
Testing a Virtual COM Port .................................................................................................................................................. 27
7. Appendix A: Default Server Settings ............................................................................................................ 29
8. Appendix B: Product Specifications ............................................................................................................. 30
Controls, Indicators and Connector Specifications ............................................................................................... 30
Approvals and Certifications .................................................................................................................................... 32
Serial Interface Specifications ................................................................................................................................. 33
Fiber Optic Cable Information .................................................................................................................................. 33
Network Specifications ............................................................................................................................................. 34
9. Appendix C: Dimensional Diagrams ............................................................................................................. 35
VESR321 Series ................................................................................................................................ ........................ 38
VESR321 Series ................................................................................................................................ ........................ 39
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Introduction
11.. IInnttrroodduuccttiioonn
Thank you for purchasing a VESR321 Serial Server. This product has been manufactured to the
highest standards of quality and performance to ensure your complete satisfaction.
Figure 1. A VESR321 Family Serial Server
About VESR321 Family Serial Servers
VESR321 family serial servers connect serial devices (RS-232, RS-422 or RS-485) to Ethernet
networks, allowing the serial device to become a node on the network. The serial ports can be
accessed over a LAN/WAN using Direct IP Mode, Virtual COM Port, or Paired Mode connections.
VESR321 family serial servers feature 10BaseT or 100BaseTX copper network media and
several fiber optic media options, depending on the model. VESR321 family serial servers feature
an additional copper Ethernet pass-through port. VESR321 family serial servers are built for use
in industrial environments, featuring an IP30 approved slim line DIN rail mountable case. They
operate over a range of DC power supply voltages and feature pluggable terminal block and
threaded barrel power connectors.
VESR321 Family Serial Server Model Numbering
VESR321 serial servers are a growing family of products. Models are available with one DB9
(RS-232) and one 5 position terminal block (RS-422/485) serial connectors and two Ethernet
connections in RJ45 or LC fiber options. The chart below displays the standard VESR321
models. For large projects that require great range the VESR321 can be manufactured with
single-mode 40 km LC or single-mode 80 km LC fiber ports. They may be configured with an
Ethernet port and a fiber port, or with twin fibers ports.
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Model Number
Features
VESR321
1 Terminal Block/ DB9 Port, DIN, 2 CU Ethernet
VESR321-SL
1 Terminal Block/ DB9 Port, DIN, 1 CU Ethernet, 1 LC
Fiber, single-mode
VESR321-ML
1 Terminal Block/ DB9 Port, DIN, 1 CU Ethernet, 1 LC
Fiber multi-mode
The models listed above are standard build options.
The following build options are possible for large projects:
-- Models with 2 fiber optic ports.
-- Models with long range fiber optic ports such as 40km and 80km single-mode.
Please contact B&B Electronics for more information.
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VESR321 Family Serial Server Features
Models are available with Ethernet, Single-Mode and Multi-Mode Fiber Optic ports. All models
feature an Ethernet pass through port that can also provide media conversion.
DB9M (RS-232) and pluggable terminal block (RS-422/485) serial port connector options.
The serial port is software selectable as RS-232, RS-422 or RS-485 2 or 4-wire.
Configuration can be done via network or direct serial connection.
Slim line DIN rail mountable case.
Accepts DC power over a wide voltage range.
10/100 Mbps Ethernet with Auto Selection.
TCP Client or Server, or UDP operation – software configurable.
Virtual COM port and Paired Mode capabilities.
Firmware Upload for future revisions/upgrades.
Software Support – Win XP (32/64 bit), 2003 Server (32/64 bit), Vista (32/64 bit), Windows 2008
Server (32/64 bit), Windows 7 (32/64 bit).
Configuration of Ethernet and serial port settings using Vlinx Manager software.
Introduction
Vlinx Manager Configuration Software
Vlinx Manager enables you to find connected serial servers, configure them, upgrade serial
server firmware, and save/load configuration files. It features a graphical user interface (GUI) that
is convenient and easy to use. The software also makes it easy to add and remove virtual COM
ports on your computer.
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Hardware
22.. HHaarrddwwaarree
VESR321 family serial servers are enclosed in a DIN rail mountable enclosure and feature LED
indicators, power, Ethernet, serial connectors and a recessed Mode switch.
Package Checklist
VESR321 family serial servers are shipped with the following items included:
VESR321 family serial server module
DIN rail clips and panel mount brackets
Quick Start Guide
CD with User Manual, datasheet and software
VESR321 Enclosures and Mounting.
All VESR321 models are built into similar enclosures. Modules are DIN rail and panel mountable.
LED Indicators
VESR321 Family Serial Servers have a Power LED, a Ready LED and Data LEDs.
Mode Switch
A recessed momentary reset switch is located on the top of the enclosure. To activate the switch,
insert a small plastic tool through the hole in the enclosure and press lightly.
Figure 2. LEDs
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The Mode switch can be used to:
1. Initiate a Hardware Reset
2. Enter Console Mode
3. Reload factory defaults
Note: Refer to Section 3, Serial Server Setup and Connections for more information on using the
Mode switch.
Ethernet Connector
Hardware
Figure 3. Front View of the Serial Server
Serial server models using 10BaseT/100BaseTX network connections use an RJ45 receptacle.
The serial server is connected to a standard Ethernet network drop using a straight-through or
crossover RJ45 (male) Ethernet cable. VESR321 family serial servers feature a second RJ45
receptacle which acts an Ethernet pass-through connection. This connection functions similarly to
an Ethernet switch and allows the connection of other devices to the network.
Figure 4. Ethernet Connector
Note: Refer to Appendix D for connection pin-outs.
Fiber Optic Connectors
VESR321 serial servers use LC fiber connectors.
Serial Port Connectors
VESR321 family serial servers feature one DB9M connector for RS-232 and a five-position removable
terminal block for RS-422 and RS-485 connections.
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Figure 5. DB-9 Female Serial Port Connector with Pinout
Figure 6. Five-Position Pluggable Terminal Blocks
Hardware
Note: Refer to Appendix D for connection pin-outs.
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Power Connector
Power options include a 5.08 mm 3-position pluggable terminal block and 2.5 mm barrel
connector.
Mounting Hardware
VESR321 family serial server modules can be DIN rail mounted. The DIN mounting clip is
included with each module.
Hardware
Figure 7. Power Connection
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Figure 8. DIN Clip on a Serial Server Module
Setup and Connections
33.. SSeettuupp aanndd CCoonnnneeccttiioonnss
This section describes how to setup and connect VESR321 family serial servers.
Note: In this section devices to be connected to the serial server’s serial connection are simply
referred to as the “serial device”.
Connecting the Power Supply
Connect a DC power supply to the power terminals on the top of the serial server. Polarity of the
wires is indicated adjacent to the power connectors. Acceptable voltage range is 10 VDC to 48
VDC.
Connecting VESR321 Family Serial Servers to Serial Devices
VESR321 family serial servers can be configured to connect to serial devices using RS-232, RS422, RS-485 2-wire and RS-485 4-wire.
RS-232 connections support eight signal lines plus Signal Ground. Signals are single ended and
referenced to Ground. Default communications parameters are 9600, 8, N, 1 and no flow control
implemented.
RS-422 4-wire connections support two signal pairs: TDA (-), TDB (+), RDA (-), RDB (+) and
GND. The data lines are differential pairs (A & B) in which the B line is positive relative to the A
line in the idle (mark) state. Ground provides a common mode reference.
RS-485 connections support 2-wire or 4-wire operation.
When configured for 4-wire (full duplex) operation the connection supports two signal pairs:
TDA (-), TDB (+), RDA (-), RDB (+) and GND. The data lines are differential pairs (A & B) in
which the B line is positive relative to the A line in the idle (mark) state. Ground provides a
common mode reference.
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When configured for 2-wire (half duplex) operation the connection supports one signal pair:
Data A (-) and Data B (+). The data lines are differential with the Data B line positive relative to
Data A in the idle (mark) state. Ground provides a common mode reference.
Connecting the VESR321
VESR321 serial servers feature one DB9M connector for RS-232 and a five-position removable
terminal block for RS-422 and RS-485 connections.
If you select RS-232 mode when you configure the serial server, you must connect the serial
device to the serial server via a serial cable. The VESR321 is a DTE. If the serial device is a DTE,
use a null modem (cross-over) cable. If the serial device is a DCE, use a straight-through cable.
If you select RS-422 mode, RS-485 2-wire mode, or RS-485 4-wire mode when you configure the
serial server, you must connect the serial device appropriately, via the 5-position terminal block.
Note: Refer to Appendix D for connector pinout information.
Setup and Connections
Figure 9. VESR321 Family Connections
Connecting VESR321 Serial Servers to a Network
Network Connection (10BaseT/100BaseTX)
When connecting a serial server equipped with a 10BaseT/100BaseTX network connection
(RJ45 connector) a standard network cable is connected from the serial server to a network drop.
PCs configuring and/or communicating with the serial server are also connected to the network.
Fiber Optic Connection
When connecting a serial server equipped with a fiber optic interface to a fiber optic link
the appropriate fiber optic cable must be connected between the serial server and the network
interface. Refer to the list of VESR321 family serial server models at the beginning of this manual
for a list of supported fiber types and distances.
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Setup and Connections
Ethernet Pass-through Port
VESR321 family serial servers feature an additional RJ45 network port. This port can be used to connect
additional Ethernet devices, such as a local workstation, to the network.
.
Figure 10. Ethernet Pass-through Port
VESR321 Family Serial Server Configuration Connections
VESR321 family serial servers can be configured over the network or via a serial port.
Configuring the VESR321 Family Serial Server via the Network Connection
When configuring via the network, either Vlinx Manager software or the web interface can be
used.
Configuring with Vlinx Manager
VESR321 family serial servers can be configured over the network using Vlinx Manager running
on a PC.
To open Vlinx Manager:
1. From the Desktop, click StartProgramsB&B ElectronicsVlinx VESR Serial Server
ManagerSerial Server Manager.
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