SeaLevel ULTRA COMM+8.PCIe Bedienungsanleitung

ULTRA COMM+8.PCIe

User Manual | 7804e

Contents

CONTENTS...........................................................................................................................................................2

INTRODUCTION ...................................................................................................................................................3

BEFORE YOU GET STARTED ...............................................................................................................................4

CARD SETUP ........................................................................................................................................................6

INSTALLATION .................................................................................................................................................... 9

HARDWARE INSTALLATION .............................................................................................................................11

TECHNICAL DESCRIPTION ...............................................................................................................................12

SPECIFICATIONS ...............................................................................................................................................14

APPENDIX A –TROUBLESHOOTING................................................................................................................15

APPENDIX B –HANDLING INSTRUCTIONS.....................................................................................................16

APPENDIX C - HOW TO GET ASSISTANCE ......................................................................................................17

APPENDIX D –ELECTRICAL INTERFACE ........................................................................................................18

APPENDIX E –ASYNCHRONOUS COMMUNICATIONS ..................................................................................19

APPENDIX F –SILK SCREEN ............................................................................................................................20

APPENDIX G –COMPLIANCE NOTICES ..........................................................................................................21

WARRANTY ........................................................................................................................................................22

Introduction

Overview

The Sealevel Ultra COMM+8.PCIe is an eight channel RS-232/485/422 PCI express Bus serial I/O adapter

supporting data rates up to 921.6Kbps.

The RS-232 compatibility allows for connection to devices utilizing the RS-232 electrical interface, such as

modems, data-entry terminals, and plotters.

RS-422 provides excellent communications for long distance device connections up to 4000ft., where noise

immunity and high data integrity are essential.

RS-485 is optimized for ‘Multi-Drop’ or ‘Party-line’ operations selecting data from multiple peripherals (as

many as 31 devices can be connected on an RS-485 bus).

In both RS-485 and RS-422 modes, the card works seamlessly with the standard operating system serial

driver. In RS-485 mode, our special auto-enable feature allows the RS-485 ports to be viewed by the

operating system as a COM: port. This allows the standard COM: driver to be utilized for RS-485

communications. Our on-board hardware automatically handles the RS-485 driver enable.

The Ultra COMM+8.PCIe will operate on x1, x4, x8 or x16 PCIe bus slots.

Features

•Each port individually configurable for RS-232, RS-422, or RS-485

•16C954 buffered UARTs with 128-byte FIFOs

•Oscillator and clock prescalar support wide range of baud rates

•Supports 9-bit protocol framing

•Each port supports data rates to 921.6K bps

•RS-485 line termination, pull-up and pull-down resistors for each port are selectable via

dipswitch

•RS-485 ECHO can be enabled/disabled via dipswitch

•PCI Express X1 compliant

•Compatible with all standard size PCI Express slots

•All modem control signals implemented in RS232

mode

•Automatic RS-485 enable/disable in hardware

•Included 36" cable terminates to eight DB9M

connectors (Item# CA145)

Before You Get Started

What’s Included

The ULTRA COMM+8.PCIe is shipped with the following items. If any of these items is missing or damaged,

contact the supplier.

•ULTRA COMM+8.PCIe Serial I/O Adapter

•CA145 –DB78 Male to (8) DB9 Male, 36 inch Length (for 7804, 7801, 3420)

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.

Optional Items

Depending upon your application, you are likely to find one or more of the following items useful with the

Ultra COMM+8.PCIe. All items can be purchased from our website (www.sealevel.com) by calling our

sales team at (864) 843-4343.

DB9 to DB25 Serial Cable (Item# CA176)

DB9 Female (RS-422) to DB25 Male (RS-530) Cable, 10 in

Length

DB78 Extension Cable (Item# CA233)

DB78 Male to DB78 Female, 72 in Length - Extension Cable

Terminal Block Kit (Item# KT106)

Terminal Block Kit - TB06 + (2) CA127 Cables

Terminal Block Kit (Item# KT105)

Terminal Block Kit - TB05 + CA127 Cable

Terminal Block Kit (Item# TB34-8)

Terminal Block Kit (8 Pack) - DB9 Female to 5 Screw

Terminals (RS-422/485)

Card Setup

Address and IRQ selection

The Ultra COMM+8.PCIe is automatically assigned I/O addresses and IRQs by your motherboard BIOS or

by a ‘Plug-n-Play’ Operating System. Adding or removing other hardware or moving the adapter to another

slot may change the assignment of I/O addresses and IRQs.

Clock Modes

The Ultra COMM+4.PCIe derives a 62.5MHz clock from the PCI express link which is divided by a 8 bit clock

prescaler and a 16 bit clock divisor to provide a wide range of possible baud rates.

Note that there are many combinations that can give the same result (e.g., Prescaler=1 and Divisor = 8,

Prescaler =2 and Divisor = 4, or Prescaler=8 and Divisor = 1). As long as the calculated data rate is within

+/- 2% you should communicate fine.

Baud Rates and Oscillator value

The following table shows some common data rates and the rates you should choose to achieve them

when using the ULTRA COMM+8.PCIe.

For This Data Rate

Clock Prescaler

Choose This Divisor DLM:DLL

1200 bps

3255

2400 bps

1.625

1001

4800 bps

1.750

465

9600 bps

1.875

217

19.2K bps

1.5

136

38.4K bps

1.75

588

57.6K bps

1.825

115.2K bps

1.875

230.4K bps

460.8K bps

2.125

921.6K bps

2.125

Card Setup, Continued

Electrical Interface Selection

Each of the eight ports on the ULTRACOMM+8.PCIe can be individually configured as an RS-232, RS-422,

or RS-485 interface. This is selectable via the port DIP-switch, each is labeled with its port number.

Switch 1 (Silk M1)

Switch 2 (Silk M0)

Mode Select

OFF

232

OFF

422

OFF

485 With Echo

485 No Echo

Line Termination

Typically, each end of the RS-485 bus must have line-terminating resistors (RS-422 terminates at the receive

end only). A 120-ohm resistor is across each RS-422/485 input in addition to a 1K-ohm pull-up/pull-down

combination that biases the receiver inputs. Each switch allows customization of this interface to specific

requirements. Each switch position corresponds to a specific portion of the interface. If multiple ULTRA

COMM+8.PCIe adapters are configured in an RS-485 network, only the boards on each end should have

switches T, P & P ON. Refer to the following table for each position’s operation:

Switch

Name

Function

Adds or removes the 120 ohm termination.

Adds or removes the 1K ohm pull-up resistor in the RS-422/RS-485 receiver circuit

Adds or removes the 1K ohm pull-down resistor in the RS-422/RS-485 receiver circuit

Connects the TX- to RX- for RS-485 two-wire operation.

Connects the TX+ to RX+ for RS-485 two-wire operation.

Card Setup, Continued

RS-485 ‘Echo’

The RS-485 ‘Echo’ is the result of connecting the receiver inputs to the transmitter outputs. Every time a

character is transmitted; it is also received. This can be beneficial if the software can handle echoing (i.e.,

using received characters to throttle the transmitter) or it can confuse the system if the software does not.

An RS-485 ‘No Echo’ option is selected by placing both Mode switches (M0, M1) in the ‘On’ position.

1 2 3 4 5 6 7

Figure 1 - RS-232 Mode

Figure 2 - RS-422 Mode

Figure 3 - RS-485 with 'Echo'

Figure 4 - RS-485 No 'Echo'

Installation

This section contains helpful information pertaining to the installation of supported Sealevel Systems, Inc.

software packages. First, the process of acquiring the software is discussed. Next, the hardware

installation is detailed in a step-by-step guide.

Where to Get Sealevel Software

SeaCOM Software Installation

Windows 98/ME/2000/XP/Vista™ Operating Systems

Sealevel software packages can be obtained from the Sealevel website (see following instructions). If you

already have the Sealevel software, proceed to the Upgrade to the current SeaCOM driver section.

Do not connect the hardware until the software has been successfully installed.

1. Begin by locating, selecting, and installing the correct software from the Sealevel software driver

database.

2. Select the Part Number (7804e) for your device from the listing.

3. Click the ‘Download Now’ button ‘SeaCOM for Windows.’

4. Sealevel software for Windows and Linux operating systems is also available at these links:

•Software for Windows

•Software for Linux

5. Choose the link for the desired software package and click on the ‘Download File’ link to

download the current driver.

6. The setup file will automatically detect the operating environment and install the proper

components.

To confirm that the SeaCOM driver has been successfully installed, click on the ‘Start’ button, and

then select ‘All Programs’. You should see the ‘SeaCOM’ program folder listed.

Installation, Continued

This is a notification that if you are upgrading from a previous driver version, you would remove

the associated Device Manager hardware entries and reinstall the adapter after the installing the

SeaCOM software.

Upgrading to the current SeaCOM driver

1. Download the current driver using the Instructions from the Where to Get Software section

above. Please take note of the destination directory it will save to.

2. Uninstall the currently loaded driver SeaCOM driver found in the Control Panel. Prior to Windows

Vista SeaCOM will be populated in ‘Add/Remove Programs’ list. In Vista and newer OSs, it will be

found in the ‘Programs and Features’ list.

3. Navigate to the Device Manager and remove the Sealevel adapter by right clicking on the line

item choosing ‘Uninstall’. Depending on your product, it can be found under either ‘Multiport

Serial adapters’ or ‘Universal Serial Bus controllers’.

4. Single port ISA cards and PCMCIA cards will need to be uninstalled under ‘Ports (COM & LPT)’.

5. In the Device Manager under ‘Action’, choose ‘Scan for Hardware changes.’This will prompt the

installation of the adapter and associate it with the newly installed SeaCOM driver.

All Sealevel Systems software drivers have been fully tested by Sealevel. Clicking ‘OK’ will not

harm your system.

You are now ready to proceed with connecting the 7804e to your system. Refer to the Hardware

Installation section for details.

Other Operating Systems

LINUX INSTALLATION

Refer to the Driver Search Page for Part #7804e or the Linux Archives - Sealevel. This link contains

valuable information on installing your serial adapter in the various Linux releases. Also included is a series

of files explaining proper Linux syntax and typical Linux serial implementations. The 7804e is supported

natively in Linux kernels 2.6.28 and later.

QNX

For the most up to date information on the QNX4 and QNX6 software support, please contact Sealevel

Systems’ Technical Support, (864) 843-4343. Our technical support is free and available from 8:00 AM-

5:00 PM Eastern Time, Monday through Friday. For email support contact: sup[email protected].

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