SeaLevel SeaLINK+232.PC Manuale utente
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
SeaLINK+232.PC
User Manual | 2108
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Contents
CONTENTS...........................................................................................................................................................2
BEFORE YOU GET STARTED ...............................................................................................................................4
SOFTWARE INSTALLATION INSTRUCTIONS.....................................................................................................6
PHYSICAL INSTALLATION.................................................................................................................................. 7
TECHNICAL DESCRIPTION .................................................................................................................................8
ELECTRICAL CHARACTERISTICS .......................................................................................................................9
SPECIFICATIONS ...............................................................................................................................................10
APPENDIX A –TROUBLESHOOTING................................................................................................................11
APPENDIX B –HOW TO GET ASSISTANCE .....................................................................................................12
APPENDIX C –ELECTRICAL INTERFACE ........................................................................................................13
APPENDIX D –ASYNCHRONOUS COMMUNICATIONS ..................................................................................14
APPENDIX E –SILK SCREEN –2108 PCB .......................................................................................................15
APPENDIX F –COMPLIANCE NOTICES...........................................................................................................16
WARRANTY ........................................................................................................................................................17
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Introduction
The Sealevel Systems SeaLINK+232.PC equips the PC with a single USB to RS-232 Asynchronous serial
port and is intended for mounting directly to the PC’s chassis, eliminating the need for external converters
and providing a clean, professional installation. The board is USB bus powered and installs inside a low
profile computer chassis in a spare bracket location. The SeaLINK+232.PC includes a 14” USB header cable
(Item# CA260) that connects to most motherboard USB box header connectors and uses only one USB
port per serial port.
The SeaLINK+232.PC is designed to be used with a variety of Operating Systems including Windows
98/ME/2000/XP. The SeaCOM API (Application Programmer Interface) included on CD with the
SeaLINK+232.PC provides a variety of useful high-level function calls implemented as a Windows dynamic
link library (DLL). In addition to the API, SeaCOM includes sample code and utilities to simplify software
development.
Other Sealevel Serial I/O Products
Model No.
Part No.
Description
SeaLINK+232
(P/N 2101)
- 1-Port RS-232 DB25
SeaLINK+232
(P/N 2105)
- 1-Port RS-232 DB9
SeaLINK+485
(P/N 2102)
- 1-Port RS-422/485/530
SeaLINK+232I
(P/N 2103)
- 1-Port Isolated RS-232
SeaLINK+485I
(P/N 2104)
- 1-Port Isolated RS-422/485/530
SeaLINK+2/232
(P/N 2201)
- 2-Port RS-232
SeaLINK+2/485
(P/N 2202)
- 2-Port RS-422/485
SeaLINK+2
(P/N 2203)
- 2-Port RS-232/422/485
SeaLINK+2/232.PC
(P/N 2208)
- 2-Port RS-232 Box Header
SeaLINK+4/232
(P/N 2401)
- 4-Port RS-232
SeaLINK+4/485
(P/N 2402)
- 4-Port RS-422/485
SeaLINK+4
(P/N 2403)
- 4-Port RS-232/422/485
SeaLINK+8/232
(P/N 2801)
- 8-Port RS-232
SeaLINK+8/485
(P/N 2802)
- 8-Port RS-422/485
SeaLINK+8
(P/N 2803)
- 8-Port RS-232/422/485
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Before You Get Started
What’s Included
The SeaLINK+232.PC is shipped with the following items. If any of these items are missing or damaged,
please contact Sealevel for replacement.
•SeaLINK+232.PC Adapter
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 lowest level of importance used to provide background information, additional tips, or other
non-critical facts that will not affect the use of the product.
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Optional Items
Depending upon your application, you are likely to find one or more of the following items useful for
interfacing the SeaLINK+232.PC. All items can be purchased from our website (https://www.sealevel.com/)
or by calling 864-843-4343.
DB9 Female to DB25 Male 72” Standard RS-232 Cable (Item# CA177)
The CA177 connects to a DB9 Male serial port and converts it to a DB25 Male RS-232 connector.
DB9 Female to RJ45 Modular Adapter (Item# RJ9S8)
The RJ9S8 connects to any DB9 connector and converts it to an RJ45 connector, which allows the use of
standard twisted pair cabling. The RJ9S8 ships unassembled and can be configured for virtually any pin
out.
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Software Installation Instructions
Windows 98/ME/2000/XP/Vista™ Operating Systems
Do not connect the device to a USB port until the software is installed.
1. Begin by locating, selecting, and installing the correct software from the Sealevel software driver
database.
2. Select the Part Number for your device from the listing.
3. The setup file will automatically detect the operating environment and install the proper
components. Follow the information presented on the installation screens that follow.
4. A screen may appear with the declaration: “The publisher cannot be determined due to the
problems below: Authenticode signature not found.” Please select the ‘Yes’ button and proceed
with the installation. This declaration simply means that the Operating System is not aware of the
driver being loaded. It will not cause any harm to your system.
5. During setup, you may specify installation directories and other preferred configurations. This
program also adds entries to the system registry that are necessary for specifying the operating
parameters for each driver. An uninstall option is included to remove the driver and all registry/INI
file entries from your system.
6. Proceed with the physical installation of your SeaLINK USB serial adapter.
Windows NT is not USB aware and thus cannot support this device.
3rd Party Software Support
Third party software support for many HMI/MMI and other process control software is included on the
product installation CD. For the most up to date information on third party software support, please visit
https://www.sealevel.com/support/3rd-party-software-support/.
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Physical Installation
The SeaLINK+232.PC can be installed in any spare bracket location.
Do not install the Adapter in the machine until the software has been fully installed.
The SeaLINK+232.PC can be connected to any header type USB connector that supports the Intel assigned
connector pinout. The SeaLINK+232.PC will require no user hardware configuration. Once you have
installed the software simply plug the SeaLINK+232.PC into an available USB connector on the
motherboard. The drivers that were installed during setup will automatically be used to configure the
adapter. You should see one or more “New Hardware Found”, indicating the actual port being created. If
you view your systems’ Device Manager at this point, you should have a new “COM” port in the Ports (COM
& LPT) Device Class. You can access your new COM: port by using the assigned COM: identifier. This
assignment will vary from system to system. At this point, the hardware is recognized. To verify operation
use Sealevel Systems supplied WinSSD diagnostic utility. WinSSD can be found in the Start, Programs
group.
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Technical Description
The SeaLINK+232.PC utilizes a USB UART. This chip features programmable baud rate, data format, 128
byte Dual Port TX Buffer, and 384 byte Dual Port RX Buffer. The RS-232 transceiver supports data rates up
to 460.8K baud. Refer to Appendix C for cable length limitations.
Connector Pin Assignments (DB9 Male)
Signal
Name
Pin#
Mode
TD
Transmit Data
3
Output
RTS
Request To Send
7
Output
DTR
Data Term ready
4
Output
GND
Ground
5
RD
Receive Data
2
Input
DCD
Data Carrier Detect
1
Input
DSR
Data Set Ready
6
Input
CTS
Clear To Send
8
Input
RI
Ring Indicator
9
Input
These assignments meet EIA/TIA/ANSI-574 DTE specifications for DB-9 type connectors.
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Electrical Characteristics
Features
•Dual bracket mountable and low profile
•No system resources are required (i.e., I/O ports or IRQs)
•Input power protection
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© Sealevel Systems, Inc. 2108 Manual | SL9095 6/2021
Specifications
Temperature Range
Specification
Operating
Storage
Temperature Range
-0º to 70º C (32º to 158º F)
-50º to 105º C (-58º to 221º F)
Power Requirements
•+5VDC @ 50 mA
Physical Dimensions (excluding bracket)
Length
2.578 inches (6.548 cm)
Height
1.310 inches (3.327 cm)
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.
Indice
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