SeaLevel SeaPORT REL-16 User manual

REL-16

User Manual | 3095

Contents

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

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

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

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

INSTALLATION ......................................................................................................................................................................................................................7

PROGRAMMING THE REL-16 .........................................................................................................................................................................................10

ELECTRICAL CHARACTERISTICS...................................................................................................................................................................................13

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

EXAMPLE CIRCUITS .........................................................................................................................................................................................................15

APPENDIX A – TROUBLESHOOTING.............................................................................................................................................................................16

APPENDIX B – HOW TO GET ASSISTANCE...................................................................................................................................................................17

APPENDIX C – SILK SCREEN – 3095 PCB .................................................................................................................................................................18

APPENDIX D – COMPLIANCE NOTICES........................................................................................................................................................................19

WARRANTY ........................................................................................................................................................................................................................20

Introduction

The REL-16 provides 16 reed relay outputs. The outputs offer high quality, long life, low current (10 Watt

maximum), dry contact switch closures. Reed relays are well suited for low current applications. The relays

are normally open and will close when energized.

The REL-16 is designed to be used with a variety of Operating Systems including Windows

98/NT/ME/2000/XP, Linux, and DOS. The SeaI/O API (Application Programmer Interface) included on CD

with the REL-16 provides a variety of useful high-level function calls implemented as a Windows dynamic

link library (DLL) and as a Linux kernel module and library. In addition to the API, SeaI/O includes sample

code and utilities to simplify software development.

Other Sealevel ISA Digital I/O Products

Model No.

Part No.

Description

DIO-16

(P/N 3096)

-8 Reed Relay Outputs / 8 Opto-Isolated Inputs

ISO-16

(P/N 3094)

- 16 Optically Isolated Inputs

DIO-32B

(P/N 3093)

- 16 Reed Relay Outputs / 16 Opto-Isolated

Inputs

REL-16

(P/N 3098)

- 32 Switched Relay Outputs

PIO-48

(P/N: 4030)

-- 48 TTL Inputs/Outputs

Before You Get Started

What’s Included

The REL-16 is shipped with the following items. If any of these items is missing or damaged, please

contact Sealevel for replacement.

•REL-16 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.

Optional Items

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

interfacing the REL-16 to real-world signals. All items can be purchased from our website

(www.sealevel.com) or by calling (864) 843-4343.

•DB-37 Male to DB-37 Female 6’ Extension Cable (Item# CA112)

This cable extends the DB-37 connector on the CA172 cable an additional six feet and is pinned

one-to-one.

•DB-37 Male/Female Terminal Block (Item# TB02-KT)

Break out serial and digital connectors to 37 screw terminals for easy field connection. The TB02

terminal block is designed with both DB37 male and female connectors, therefore; it can be used

with any DB37 board regardless of the board's port gender.

•Cable and Terminal Block Kit (Item# KT101)

For convenient and easier ordering, the KT101 includes the TB02-KT terminal block and CA112

cable in a single kit.

Card Setup

The REL-16 contains several jumper straps for each port that must be set for

proper operation.

Address Selection

The REL-16 occupies at total of 2 I/O locations. The DIP-switch (SW1) is used to set the base address for

these locations. Be careful when selecting the base address as some selections conflict with existing PC

ports. The following table shows several examples that usually do not cause a conflict.

Address

Binary

Switch Settings

100-104

01 0000 00xx

Off

104-108

01 0000 01xx

Off

200-204

10 0000 00xx

Off

280-283

10 1000 00xx

Off

284-287

10 1000 01xx

Off

2EC-2EF

10 1110 11xx

Off

300-303

11 0000 00xx

Off

320-323

11 0010 00xx

Off

388-38B

11 1000 10xx

Off

3A0-3A3

11 1010 00xx

Off

3A4-3A7

11 1010 01xx

Off

Address Selection Table

The following illustration shows the correlation between the DIP-switch setting and the address bits used

to determine the base address. In the example below, address 300 is selected as the base address. Address

300 in binary is XX 11 0000 00XX where X = a non-selectable address bit and address bit A9 is always a 1.

DIP-Switch Illustration

Setting the switch ‘On’ or ‘Closed’ corresponds to a ‘0’ in the address, while leaving it ‘Off’ or ‘Open’

corresponds to a ‘1’.

1 2 3 4 5 6 7

OFF

A9 A2

Installation

Software Installation

Windows Installation

Do not install the Adapter in the machine until the software had been fully installed.

Only users running Windows 7 or newer should utilize these instructions for accessing and

installing the appropriate driver via Sealevel’s website. If you are utilizing an operating system

prior to Windows 7, please contact Sealevel by calling 864.843.4343 or emailing

[email protected] to receive access to the proper driver download and installation

instructions.

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

database.

2. Select the Part Number (3095) for your device from the listing.

3. Click the ‘Install Drivers’ button.

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

components.

5. 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.

6. During setup, the user 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 also included to remove all registry/INI file entries

from the system.

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.

You are now ready to proceed with connecting the 3098 to your system. Refer to the Hardware

Installation section for details.

Windows NT Card Installation: After accomplishing the above steps, bring up the Control Panel

and double-click on the SeaIO Devices icon. To install a new card, click “Add Port”. Repeat this

procedure for as many SeaIO cards as you wish to install.

Linux Installation

You MUST have “root” privileges to install the software and drivers.

The syntax is case sensitive.

SeaCOM for Linux can be downloaded here: https://www.sealevel.com/support/software-seacom-linux/.

It includes the README and the Serial-HOWTO help files (located at seacom/dox/howto). 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/3095mode.

To set up Linux to automatically load the driver; refer to a Linux manual concerning your specific distribution

for help.

For additional software support, including QNX, please call 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: support@sealevel.com.

Physical Installation

The adapter can be installed in any ISA PC expansion slot.

Do not install the Adapter in the machine until the software has been fully installed.

1. Turn off PC power. Disconnect the power cord.

2. Remove the PC case cover.

3. Locate an available 5V PCI slot and remove the blank metal slot cover.

4. Gently insert the REL-16 adapter into the slot. Make sure that the adapter is seated

properly.

5. After the adapter has been installed, the cables should be routed thru the opening in

the bracket. This bracket also features a strain relief function that should be used to

prevent un-expected cable removal.

6. Replace the screw you removed for the blank and use it to secure the adapter into the

slot. (This is required to ensure FCC Part 15 compliance.)

7. Replace the cover.

8. Connect the power cord

The REL-16 is now ready for use.

Programming the REL-16

Sealevel’s SeaI/O software is provided to assist in the development of reliable applications for the Sealevel

Systems family of digital I/O adapters. The software also includes driver functions for use in accessing the

I/O as well as helpful samples and utilities.

Programming for Windows

The SeaI/O API (Application Programmer Interface) provides a variety of useful high-level function calls

implemented in a Windows dynamic link library (DLL). The API is defined in the help file

(Start/Programs/SeaIO/SeaIO Help) under “Application Programmers Interface”. This help file also

includes detailed information dealing with installation / removal of the software and information about

latency, logic states, and device configuration.

For C language programmers we recommend using the API to access the ReL-16. If you are programming

in Visual Basic, using the ActiveX control included with SeaI/O is advised.

Samples and Utilities

A variety of sample programs and utilities (both executable and source code) are included with SeaI/O.

Further documentation on these samples can be found by selecting “Start/Programs/SeaI/O/Sample

Application Description”. Information about where the files are physically stored on your disk is also

included in this same file.

Programming for Linux

SeaI/O for Linux consists of two major parts: a kernel module and a library. The kernel module is a simple

IO pass-through device, allowing the library to handle the more sophisticated functions provided to SeaI/O

users. It is provided in a ‘tarball’ format and can easily be compiled and included in the kernel build.

Application Programmers Interface (API)

Most modern operating systems do not allow direct hardware access. The SeaIO driver and API have been

included to provide control over the hardware in Windows and Linux environments. The purpose of this

section of the manual is to help the customer with the mapping of the API to the actual inputs and relays

for the 3095 specifically. Complete documentation of the API can be found in its accompanying help file.

Digital I/O Interface

The REL-16 provides two output ports. The ports, which are reed relay output ports, are organized as ports

A and B. Assuming an I/O address of 302 Hex the following table shows the Port Addresses.

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