SeaLevel DIO-32B User manual

DIO-32B

User Manual | 3093H

Contents

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

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

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

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

SOFTWARE INSTALLATION................................................................................................................................8

PHYSICAL INSTALLATION..................................................................................................................................9

PROGRAMMING THE DIO-32B..........................................................................................................................10

ELECTRICAL CHARACTERISTICS.....................................................................................................................15

SPECIFICATIONS ...............................................................................................................................................15

EXAMPLE CIRCUITS ..........................................................................................................................................17

APPENDIX A – TROUBLESHOOTING................................................................................................................18

APPENDIX B – HOW TO GET ASSISTANCE .....................................................................................................19

APPENDIX C – SILK SCREEN – 3093H PCB ....................................................................................................20

APPENDIX D – COMPLIANCE NOTICES ..........................................................................................................21

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

Introduction

The DIO-32B digital I/O interface provides 16 optically isolated inputs and 16 reed relay outputs. The inputs

(rated for 10-30V) protect the PC and other sensitive equipment from spikes and ground loop current that

can be generated in industrial environments, while the outputs provide 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 close when energized.

The DIO-32B 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) available for the

DIO-32B 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

DIO-16 (P/N 3096) - 8 Reed Relay Outputs / 8 Opto-Isolated Inputs

ISO-16 (P/N 3094) - 16 Optically Isolated Inputs

REL-16 (P/N 3095) - 16 Reed Relay Outputs

REL-32 (P/N 3098) - 32 Switched Relay Outputs

PIO-48 (P/N 4030) - 48 TTL Inputs/Outputs

Before You Get Started

What’s Included

The DIO-32B is shipped with the following items. If any of these items is missing or damaged, please

contact Sealevel for replacement.

•Item# 3093H – DIO-32B ISA Adapter

•Item# CA111 – 6” Ribbon Cable with IDC 20-Pin to DB-37 Male

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 DIO-32B 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 Extension Cable - (Item# CA112)

−This cable provides a 6’ extension to the CA165.

It has one DB37 Male connector and one DB37

Female connector.

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

−Break out serial and digital connectors to 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)

−The KT101 includes the TB02 terminal block

and CA112 cable. To fully connect the DIO-32B

two KT101 kits will be required.

Card Setup

The DIO-32B contains several jumper straps for each port that must be set for proper operation.

Address Selection

The DIO-32B occupies 4 consecutive 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

1 2 3 4 5 6 7 8

100-104 01 0000 00xx Off On On On On On On On

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.

12 3 4 5 6 7

OFF

A9 A2

DIP-Switch Illustration

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

corresponds to a ‘1’.

IRQ Header E2

Interrupts can be generated by Port A, bit 0 going low if enabled at jumper location (E2). Interrupt request

signals 2/9 through 7 (IRQ 2/9 - 7) can be selected by placing the jumper in the appropriate position. Other

inputs can be ‘wire OR ed.’ to also generate interrupts if desired. Please consult the factory for more

information.

IRQ Header E2

Software Installation

Windows Installation

Do not install the adapter in the machine until the software has 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 legacy driver download and installation instructions.

1. Select the download for the SeaIO Classic for Windows (Software: SeaIO Classic V5 - Windows

- Sealevel.) The setup file will automatically detect the operating environment and install the

proper components. Next (depending on your browser) select the ‘Run this program from its

current location’ or ‘Open’ option. Follow the information presented on the screens that follow.

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 available to remove SeaIO

files and registry/INI file entries from the system.

2. 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.

3. 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.

Windows software installation is complete.

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 Software: You may download the SeaIO Classic for Linux Windows for the 3093H. If you need

additional information with this installation, please contact Sealevel’s Technical Support:

[email protected].

Physical Installation

The adapter can be installed in any PCI 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 PCI 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 DIO-32B is now ready for use.

Programming the DIO-32B

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

Systems family of digital I/O adapters. Included in Sealevel’s software and drivers are 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 DIO-32B. 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 in the software

for the SeaI/O. Further documentation on these samples can be found by selecting

“Start/Programs/SeaIO/Sample Application Description.” If you have any problems locating these files,

please contact Sealevel’s Technical Support at 864-843-4343 or email support@sealevel.com.

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 3093H specifically. Complete documentation of the API can be found in its accompanying help file.

Digital I/O Interface

The DIO-32B provides four parallel input/output (I/O) ports. The ports are organized as ports A, B, C, and D.

Port A and B are input ports interfaced to optically isolated inputs, while ports C and D are reed relay output

ports. Assuming an I/O address of 300 Hex the following table shows the Port Addresses.

Base Address

Hex

Decimal

Mode

Port A Address

300

768

Port B Address

301

769

Optically Isolated Input Port

Port C Address

302

770

Port D Address

303

771

Reed Relay Output Port

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