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Introduction 

Manual Documentation Number: ESP904-0504 

Chapter 1 

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – 

www.bb-elec.com

 

B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – 

www.bb-europe.com

 

Install Virtual COM Ports on PC 

Step 1:

   From the 

Windows Start

 menu, run the 

Install Virtual COM Ports

 

utility included with the VLINX software, 

Step 2:

   Search for all servers on the network 

Step 3:

  Select the first port (4000) and map it to an unused COM port (e.g. 

Port 15). Configure it for TCP protocol and the appropriate IP 
address (determined in the last section). 

 

Figure 5. Configuring the Virtual COM Port 

 

Check Communications 

Step 1:

   From the 

Windows Start

 menu, run 

HyperTerminal

 

Step 2:

   Configure 

HyperTerminal

 to connect using the COM port 

configured in the last section (e.g. Port 15).  

Step 3:

 Set 

Baud Rate

Data/Parity/Stop

, and 

Flow Control

 to match the 

configuration of the serial device connected to the ESP904 serial 
port. 

Step 4:

  Communications with the serial device should now be operational. 

 

 Introduction

 

Chapter 1 

Manual Documentation Number: ESP904-0504 

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104 – 

www.bb-elec.com

 

B&B Electronics Ltd – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444 – Fax +353 91-792445 – 

www.bb-europe.com

 

ESP904 Technical Data 

Hardware and 
Included 
Accessories 

ESP904 Serial Server module 
Power Supply

:  

12 VDC/1A (tip positive/sleeve negative) 

Power Plug:  

(Area Dependent: North America 120VAC/60Hz, 
Europe/United Kingdom 220/240VAC/50Hz) 

Manual: 

  

Paper copy of this manual, PDF available 

CD-ROM disc: 

VLINX ESP Manager and Virtual COM Driver 
software for Windows 98/ME/2000/XP/NT 4.0 

Dimensions 

ESP904:  

 

4.5 x 7.3 x 1.1 in (11.4 x 18.5 x 2.9 cm) 

Power & 
Environment 

Power  
Requirements:

  

12 VDC @ 500 mA 

Operating  
Temperature:

  

0 to 50 °C (32 to 122 °F) 

Storage  
Temperature:

  

20 to 60 °C (

4 to 140 °F) 

Humidity:

  

0 – 90% non-condensing 

Approvals:

  

CE, FCC 

Indicators 
 

Power

:    

Red LED 

Link

:  

 

Yellow or green LED (10BaseT or 100 BaseTX) 

Ready

:    

Flashing green LED 

Serial Ports (4):

  Flashing green LED when data present (see Ch. 2) 

Connectors 

Ethernet:

  

Single RJ-45 female 

Serial:

  

 Four - 9 pin D-type male (DB-9M) DTE (all ports 
are software selectable as RS-232, 422, or 485) 

DC Power:

  

Ultra-miniature phone jack (2.5mm), Tip (+), 
Sleeve (

Serial Interfaces 

RS-232(DTE):

  

TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND 

RS-422:

  

 TXDB(+), TXDA(

), RXDB(+), RXDA(

), 

RTS(+), RTS(

), CTS(+), CTS(

) and GND 

RS-485:

   

Data B (+), Data A (–) and GND 

Baud Rate:

  

110 bps to 230.4 k bps 

Parity:

    

None, even, odd 

Data Bits:

  

7 or 8 

Stop Bits:

  

1 or 2 

Optional 
Accessories 

232NM9 

Null Modem Crossover Cable for DTE to DTE connection 

DRAD35 

DIN Rail mounting clips for 35mm DIN Rail 

ERS35 

one-meter length of steel 35mm DIN Rail 

Memory 

Serial Memory:

  8K bytes per port 

Summary of Contents for ESP904

Page 1: ...om B B Electronics Ltd Westlink Commercial Park Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 www bb europe com M Mo od de el ls s E ES SP P9 90 04 4 E ES SP P9 90 04 4E E Q Qu ua ad d P...

Page 2: ...tronics Mfg Co Inc 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 Sales e mail orders bb elec com Fax 815 433 5109 Technical Suppo...

Page 3: ...SOFTWARE INSTALLATION 19 ii Table of Contents Manual Documentation Number ESP904 0504 B B Electronics Mfg Co Inc 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 www bb elec...

Page 4: ...32 MODE 57 RS 232 Straight through Cable Connections 58 RS 232 Crossover null modem Cable Connections 58 RS 232 Straight through DB 9 to DB 25 Conversion Connections 59 RS 232 Crossover DB 9 to DB 25...

Page 5: ...igure 27 The Device Manager Window 40 Figure 28 The VLINX ESP COM3 Properties Window 41 Figure 29 The ESP Manager Window 43 Figure 30 The vcomui Dialogue Box 44 Figure 31 The Control Panel Window 45 F...

Page 6: ...ram and an RS 232 crossover cable Telnet also can be used to access the setup configuration menu Virtual COM Driver Software for Windows installs a virtual COM port viewable in the Windows Device Mana...

Page 7: ...l connection provides a reliable communications connection in Virtual COM Port Mode or with Paired Connection Mode This feature restores the connection if communications are temporarily lost at either...

Page 8: ...Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 www bb elec com B B Electronics Ltd Westlink Commercial Park Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 www bb europe co...

Page 9: ...stlink Commercial Park Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 www bb europe com ESP904 Technical Data Hardware and Included Accessories ESP904 Serial Server module Power Supply 12...

Page 10: ...IP Address 192 168 0 1 Net Mask 255 255 255 0 Gateway 192 168 0 254 MAC Address Fixed see bottom label Port 1 Console Mode Ports 2 3 4 RS 232 Baud Rate 9600 Data Parity Stop 8 N 1 Flow Control None TC...

Page 11: ...ec com B B Electronics Ltd Westlink Commercial Park Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 www bb europe com ESP904 Connections Indicators and Reset Switch The ESP904 has Seven ind...

Page 12: ...Fax 353 91 792445 www bb europe com Serial Port Operational Modes Using the ESP Manager or the Console Mode Configuration Menu each serial port can independently be configured as RS 232 Mode RS422 Mod...

Page 13: ...l must be set to RTS CTS during configuration N No ot te e Refer to Appendix B RS 422 connection pin outs RS 485 Mode RS 485 Mode supports the transmit TX and receive RX signal channels using 2 wire h...

Page 14: ...Data TXD Out TXDB Data B 4 Data Terminal Ready DTR Out TXDA Data A 5 Signal Ground GND GND GND 6 Data Set Ready DSR In CTSA 7 Request To Send RTS Out CTSB 8 Clear To Send CTS In RTSB 9 Ring Indicator...

Page 15: ...n Step 1a Inserting the VLINX CD in the CD ROM should automatically launch the Install Shield Wizard Manual Installation Step 1b To manually start the software installation select the Start button on...

Page 16: ...ger software Start Programs B B Electronics VLINX ESP Servers VLINX ESP Manager Step 6 If the ESP904 is not already connected to the network or to the Ethernet port on the computer connect it and then...

Page 17: ...re Hardware Setup Step 1 Connect the ESP904 to the LAN or to a computer Ethernet port Figure 17 Ethernet Connection via a LAN Using ESP Manager 24 Chapter 4 Manual Documentation Number ESP904 0504 B B...

Page 18: ...50 Ph 815 433 5100 Fax 815 433 5104 www bb elec com B B Electronics Ltd Westlink Commercial Park Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 www bb europe com The Virtual COM List conta...

Page 19: ...l Documentation Number ESP904 0504 B B Electronics Mfg Co Inc 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 www bb elec com B B Electronics Ltd Westlink Commercial Park Or...

Page 20: ...next property Tab Shift to move back to previous property Arrows to move between properties or change values or contents of the current property Enter to select update or cancel Using ESP Manager 30 C...

Page 21: ...tware requests a connection to the specific IP address of the serial server If the DHCP reassigns a different IP address the software will not be able to communicate with the hardware Therefore using...

Page 22: ...n Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 www bb elec com B B Electronics Ltd Westlink Commercial Park Oranmore Galway Ireland Ph 353 91 792444 Fax 353 91 792445 www bb europe...

Page 23: ...or arrow keys to move the cursor to the option position and then press Enter Save stores the configuration data to ESP904 flash memory and resets it Default restores the editing configuration data to...

Page 24: ...software to open a connection with the serial port located anywhere on the LAN WAN When using the virtual COM port the ESP904 is configured as a TCP or UDP Server Virtual COM Port Installation Step 1...

Page 25: ...etting is None RTS CTS can be selected if used by the application program and serial hardware The ESP Server must be set to match Installing Virtual COM Port 40 Chapter 6 Manual Documentation Number E...

Page 26: ...ect the Configuration or Port Settings tab This screen allows the settings to be changed if necessary Click on Cancel to keep the existing settings Step 5 Click on OK to change the settings Use Refres...

Page 27: ...indows select VLINX ESP Manager from the Programs list Start Programs B B Electronics VLINX ESP Servers VLINX ESP Manager Step 2 In the ESP Manager window select the Virtual COM List tab Highlight the...

Page 28: ...expand Figure 32 The Device Manager Window Removing a Virtual COM Port 46 Chapter 7 Manual Documentation Number ESP904 0504 B B Electronics Mfg Co Inc 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815...

Page 29: ...click on the server to be upgraded The Server Properties window will appear Step 2 If using a direct connection to serial port 1 to upload the firmware to the ESP904 set the baud rate to 115 2k for t...

Page 30: ...4 Fax 353 91 792445 www bb europe com Step 10 Upgrade progress will be shown until the Upgrade finished message is shown Select OK Figure 35 Upgrading in Progress Upgrade Mode 50 Chapter 8 Manual Docu...

Page 31: ...904 Port 1 via an RS 232 crossover cable Step 3 In the HyperTerminal Port Settings window set o Baud rate 9600 o Data bits 8 o Parity None o Stop bits 1 o Flow control None Click OK Step 4 To view the...

Page 32: ...write the settings to the server Step 7 To view the changes press the space bar The screen will reappear Using Console Mode 54 Chapter 9 Manual Documentation Number ESP904 0504 B B Electronics Mfg Co...

Page 33: ...the window and press Enter The following window will appear Figure 39 The Web Server Page Using the Web Server 56 Chapter 10 Manual Documentation Number ESP904 0504 B B Electronics Mfg Co Inc 707 Day...

Page 34: ...792444 Fax 353 91 792445 www bb europe com RS 232 Straight through Cable Connections In the RS 232 mode the ESP904 s ports are configured as DTEs like a computer If the device connected to the ESP904...

Page 35: ...null modem Cable RS 232 Connections 60 Appendix A Manual Documentation Number ESP904 0504 B B Electronics Mfg Co Inc 707 Dayton Rd PO Box 1040 Ottawa IL 61350 Ph 815 433 5100 Fax 815 433 5104 www bb...

Page 36: ...l In the RS 422 mode TXD lines are outputs and RXD lines are inputs Connect the ESP904 TXDB line to the RXDB line of the serial device and the ESP904 TXDA to the RXDA of the serial device If Flow Cont...

Page 37: ...Loopback Connections for RS 422 The RS 485 Connections are half duplex either Receive or Transmit so another half duplex device must be used to check operation Figure 50 RS 422 Connection with No Flo...

Page 38: ...85 standard which defines the Data B line as positive relative to Data A during a Mark state before enabling the transmitter and after transmitting before tri stating If an RS 485 device does not resp...

Page 39: ...used Blue 4 5 Not used White Blue 5 6 RX Orange 6 7 Not used White Brown 7 8 Not used Brown 8 Figure 53 Pin out for a Standard Ethernet Cable Network Connections 68 Appendix D Manual Documentation Num...

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