SeaLevel 7802ec User Manual Download | Manualshive

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© Sealevel Systems, Inc. 7802ec &7802ecS Manual | SL9680 11/2022

Appendix G – How to get assistance

When calling for technical assistance, please have the device installed and ready to run diagnostics. If
possible, have your user manual and current settings ready.

The Sealevel website is an excellent resource located at www.sealevel.com. The most current software
updates and user manuals are available via our homepage by clicking on the 'Drivers' or 'Manuals' links
located under ‘Technical Support.’ Manuals and software can also be downloaded from the product page
for your device.

The FAQ section of our website answers many common questions. Refer to this helpful resource by visiting
https://www.sealevel.com/support/category/faqs/.

Technical Support

Monday – Friday
8:00 AM to 5:00 PM EST
Phone:  +1 (864) 843-4343
Email:

[email protected]

RETURN AUTHORIZATION MUST BE OBTAINED FROM SEALEVEL SYSTEMS BEFORE RETURNED
MERCHANDISE WILL BE ACCEPTED. AUTHORIZATION CAN BE OBTAINED BY CALLING SEALEVEL
SYSTEMS AND REQUESTING A RETURN MERCHANDISE AUTHORIZATION (RMA) NUMBER.

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Summary of Contents for 7802ec

Page 1: ...1 Sealevel Systems Inc 7802ec 7802ecS Manual SL9680 11 2022 COMM 8 422 PCIe User Manual 7802ec and 7802ecS ...

Page 2: ...RE INSTALLATION 12 TECHNICAL DESCRIPTION 14 TECHNICAL SPECIFICATIONS 16 APPENDIX A TROUBLESHOOTING 17 APPENDIX B HANDLING INSTRUCTIONS 22 APPENDIX C ELECTRICAL INTERFACE 23 APPENDIX D ASYNCHRONOUS COMMUNICATIONS 24 APPENDIX E GROUND LOOP PHENOMENON 25 APPENDIX F MECHANICAL DRAWING 26 APPENDIX G HOW TO GET ASSISTANCE 27 APPENDIX H COMPLIANCE NOTICES 28 WARRANTY 29 ...

Page 3: ...ectrical interface combinations to provide maximum flexibility in your application Under Windows in RS 485 mode the transmitter is automatically enabled in hardware eliminating the need for application software control This allows the 7802ec to be used with standard serial communications applications and removes the risk of bus contention and data corruption The Sealevel SeaCOM for Windows softwar...

Page 4: ... Height PC Bracket CA231 Micro 68 pin to 8 DB9M Cable 36in Length Advisory Conventions Warning The highest level of importance used to stress a condition where damage could result to the product or the user could suffer serious injury Important The middle level of importance used to highlight information that might not seem obvious or a situation that could cause the product to fail Note The lowes...

Page 5: ...to an RS 530 DB25 Male pinout Useful in situations where RS 530 cabling exists and a multiport Sealevel RS 422 adapter is to be used DB9 Serial Extension Cable Part Number CA127 The CA127 is a standard DB9F to DB9M serial extension cable Extend a DB9 cable or locate a piece of hardware where it is needed with this six foot 72 inch cable The connectors are pinned one to one so the cable is compatib...

Page 6: ...rd or to serial boards with DB9 cables If you need to extend the length of your dual DB9 connection the KT106 includes the TB06 terminal block and two CA127 DB9 extension cables Terminal Block Kit Part Number TB34 8 The TB34 8 kit includes eight TB34 terminal blocks and simplifies RS 422 and RS 485 field wiring Each terminal block adapter includes a DB9 female connector and five screw terminals Th...

Page 7: ...Selection via Hardware Each serial port on the 7802ec has the ability to be used as RS 422 or RS 485 Configuration is selectable via independent per port DIP switches Please use the following examples to configure your adapter Mode selection via hardware DIP switches M1 Switch M0 Switch Mode OFF OFF Reserved Tri state OFF ON RS 422 Default ON OFF RS 485 with Echo ON ON RS 485 without Echo RS 485 E...

Page 8: ...s allow the user to customize each port individually to their specific requirements If multiple 7802ec ports are configured in a RS 485 network only the ports at each end should have switches T PU and PD ON If using the board in an RS 485 two wire network enable the two switches labeled L which electrically connect the TX and RX pins together and the TX and RX pins together Switch Default Selectio...

Page 9: ...ial software override configuration of each port is adopted from its DIP switch configuration All COM ports of the 7802ec should be closed by applications when the software override option is changed in Port Settings RS 485 Auto Enable Delay RS 485 Auto Enable Delay is an additional configuration setting available only via software selection It provides an ability to select a 0 to 15 bit time dela...

Page 10: ...ia Sealevel s website If you are utilizing an operating system prior to Windows 7 please contact Sealevel by calling 864 843 4343 or emailing support sealevel com to receive access to the proper driver download and installation instructions To install Sealevel software you must log in as an administrator or have administrator privileges 1 Begin by locating selecting and installing the correct soft...

Page 11: ...o This series of files both explains typical Linux serial implementations and informs the user about Linux syntax and preferred practices User can use a program such as 7 Zip to extract the tar gz file In addition the software selectable interface settings can be accessed by referencing seacom utilities 7802ecmode Upgrading to the current SeaCOM driver 1 Download the current driver using the instr...

Page 12: ...e software installation process will automatically be used to configure the adapter Once the hardware installation completes you may need to restart the computer to finalize the installation process Verifying Installation To confirm that the serial port has been successfully installed look in Device Manager under Ports COM LPT and in parentheses should be a COM number assigned to each port number ...

Page 13: ...adapters section by double clicking it 6 Locate the COMM 8 422 PCIe device in the listing 7 Right click on the entry for the COMM 8 422 PCIe device and click Uninstall 8 Confirm that you want to uninstall the device by clicking the OK button This will remove the hardware COM ports and all registry entries from your computer Keep the device connected 9 The window will refresh and the entry for the ...

Page 14: ... 53 Port 7 TX O 3 Port 1 RX I 20 Port 3 CTS I 37 Port 5 RX I 54 Port 7 CTS I 4 Port 1 TX O 21 Port 3 RX I 38 Port 5 TX O 55 Port 7 RX I 5 Port 1 RTS O 22 Port 3 TX O 39 Port 5 RTS O 56 Port 7 TX O 6 Port 1 RTS I 23 Port 3 RTS O 40 Port 5 RTS I 57 Port 7 RTS O 7 Port 1 RX I 24 Port 3 RTS I 41 Port 5 RX I 58 Port 7 RTS I 8 Port 1 CTS I 25 Port 3 RX I 42 Port 5 CTS I 59 Port 7 RX I 9 Port 2 TX O 26 P...

Page 15: ...ector terminating to eight DB25 male connectors Pin RS 422 485 1 RX I 2 RX I 3 TX O 4 TX O 5 GND 6 RTS O 7 RTS O 8 CTS I 9 CTS I I Input O Output Please terminate any unused control signals The most common way to do this in RS 422 485 mode is to connect RTS to CTS and RTS to CTS Terminating these pins if not used will help ensure the best performance from the adapter ...

Page 16: ... Non Condensing 10 to 90 R H Non Condensing MTBF Telcordia SR 332 Prediction Method Mean Time Between Failure TBD hours At 25º C ambient Manufacturing All Sealevel Systems Printed Circuit boards are built to UL 94V0 rating and are 100 electrically tested These printed circuit boards are solder mask over bare copper or solder mask over tin nickel Power Requirements Typical Power Draw TBD Supply vol...

Page 17: ...dapters Electrical Interface to RS 422 If you have a loopback plug put it on the adapter connector If you do not have a loopback plug you can use female jumper wires to make the connection to verify the functionality RS 422 requires pins 1 4 Receive and Transmit and also pins 2 3 Receive and Transmit to be jumpered as shown in this graphic If you do not have a loopback plug or jumper wires handy y...

Page 18: ...COM folder in the Start menu On the Port Information tab select the associated COM port and click the Open button This will first open the COM port From this tab the port can also be closed See image below Click the Settings button to open the COM Port Properties dialog box This will allow the Port Settings to be altered ...

Page 19: ...19 Sealevel Systems Inc 7802ec 7802ecS Manual SL9680 11 2022 Change your parameters to 9600 bits per second 8 data bits no parity 1 stop bit and no flow control as pictured below Click Apply and OK ...

Page 20: ...20 Sealevel Systems Inc 7802ec 7802ecS Manual SL9680 11 2022 In the main WinSSD window click on the BERT tab Bit Error Rate test Click on the Start button ...

Page 21: ...ow the calculated data rate This verifies that the adapter is working properly You can continue testing this port with different configurations or proceed with testing other ports if necessary If these steps do not solve your problem please call Sealevel Technical Support at 864 843 4343 Our technical support is free and available Monday through Friday from 8 00 AM 5 00 PM EST For email support co...

Page 22: ...hen you are properly grounded Store electrostatically sensitive components in protective packaging or on anti static mats Grounding Methods The following measures help to avoid electrostatic damage to the device Cover workstations with approved antistatic material Always wear a wrist strap connected to workstation as well as properly grounded tools and equipment Use antistatic mats heel straps or ...

Page 23: ...onnector RS 485 RS 485 is backwardly compatible with RS 422 however it is optimized for party line or multi drop applications The output of the RS 422 485 driver is capable of being Active enabled or Tri State disabled This capability allows multiple ports to be connected in a multi drop bus and selectively polled RS 485 allows cable lengths up to 4000 feet and data rates up to 10 Megabits per sec...

Page 24: ...a pre defined number of stop bits usually 1 1 5 or 2 An extra bit used for error detection is often appended before the stop bits Figure 1 Asynchronous Communications Bit Diagram This special bit is called the parity bit Parity is a simple method of determining if a data bit has been lost or corrupted during transmission There are several methods for implementing a parity check to guard against da...

Page 25: ...n the extreme this ground current can cause equipment malfunction or even destruction Cabling Recommendations When connecting the 7802ec in a RS 485 network care should be taken that both ends of the network are not isolated from ground see below This floating ground condition could cause the capacitive or inductive coupling of voltages that will cause a break down in the DC to DC converter circui...

Page 26: ...26 Sealevel Systems Inc 7802ec 7802ecS Manual SL9680 11 2022 Appendix F Mechanical Drawing ...

Page 27: ...g on the Drivers or Manuals links located under Technical Support Manuals and software can also be downloaded from the product page for your device The FAQ section of our website answers many common questions Refer to this helpful resource by visiting https www sealevel com support category faqs Technical Support Monday Friday 8 00 AM to 5 00 PM EST Phone 1 864 843 4343 Email support sealevel com ...

Page 28: ...quired to correct the interference at the user s expense EMC Directive Statement Products bearing the CE Label fulfill the requirements of the EMC directive 89 336 EEC and of the low voltage directive 73 23 EEC issued by the European Commission To obey these directives the following European standards must be met EN55022 Class A Limits and methods of measurement of radio interference characteristi...

Page 29: ...warranty Warranty service may be obtained by delivering the Product to Sealevel and providing proof of purchase Customer agrees to ensure the Product or assume the risk of loss or damage in transit to prepay shipping charges to Sealevel and to use the original shipping container or equivalent Warranty is valid only for original purchaser and is not transferable This warranty applies to Sealevel ma...

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