SeaLevel DIO-32.PCI User manual

DIO-32.PCI
Users Manual
Part # 8004
Sealevel Systems, Inc. Telephone: [phone]
155 Technology Place Fax: [phone]
Liberty, SC 29657 USA www.sealevel.com

Contents
INTRODUCTION ......................................................................................................................................................1
OVERVIEW ................................................................................................................................................1
WHAT’S INCLUDED ...................................................................................................................................1
OPTIONAL ACCESSORIES...........................................................................................................................1
INSTALLATION .......................................................................................................................................................2
WINDOWS 98/ME/NT/2000/XP INSTALLATION........................................................................................2
LINUX INSTALLATION ...............................................................................................................................2
PHYSICAL INSTALLATION..........................................................................................................................3
TECHNICAL DESCRIPTION.....................................................................................................................................4
FEATURES .................................................................................................................................................4
INPUT PORTS .............................................................................................................................................4
SENSOR INPUT PORTS PIN ASSIGNMENTS..................................................................................................5
OUTPUT PORTS (REED RELAY) .................................................................................................................5
RELAY SPECIFICATIONS ............................................................................................................................5
OUTPUT PORTS (REED RELAY)PIN ASSIGNMENTS....................................................................................6
DIRECT HARDWARE CONTROL..................................................................................................................6
READING THE INPUTS................................................................................................................................6
READING THE OUTPUTS ............................................................................................................................6
WRITING THE OUTPUTS:............................................................................................................................6
REGISTER DESCRIPTION ............................................................................................................................7
SPECIFICATIONS.....................................................................................................................................................8
ENVIRONMENTAL SPECIFICATIONS ...........................................................................................................8
MANUFACTURING .....................................................................................................................................8
POWER CONSUMPTION ..............................................................................................................................8
PHYSICAL DIMENSIONS.............................................................................................................................8
APPENDIX A-TROUBLESHOOTING .......................................................................................................................9
APPENDIX B-HOW TO GET ASSISTANCE...........................................................................................................10
APPENDIX C-SILK-SCREEN................................................................................................................................11
APPENDIX D-COMPLIANCE NOTICES ................................................................................................................12
FEDERAL COMMUNICATIONS COMMISSION STATEMENT.........................................................................12
EMC DIRECTIVE STATEMENT .................................................................................................................12
WARRANTY ..........................................................................................................................................................13
© Revision December 9, 2003
Sealevel Systems, Incorporated. All rights reserved.

Introduction
Sealevel Systems DIO-32.PCI Page 1
Introduction
Overview
The DIO-32.PCI digital I/O interface provides 16 optically isolated inputs and 16 reed relay outputs. The inputs
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.
What’s Included
The DIO-32.PCI is shipped with the following items. If any of these items are missing or damaged, contact the
supplier.
•DIO-32.PCI Interface Adapter
•Sealevel Systems SeaIO Software CD
•DB78 Male to DB37 Male and DB-37 Female (CA165)
Optional Accessories
•CA112 – This cable provides a 6’ extension to the CA165. It has one DB37 Male connector and one DB37
Female connector.
•TB02 - 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.
•KT101 - Terminal Block KT101 includes the TB02 and CA112 (DB37 M/F cable). To fully connect the
DIO-32.PCI two KT101 kits will be required.

Introduction
Sealevel Systems DIO-32.PCI Page 2
Installation
Windows 98/ME/NT/2000/XP Installation
Do not install the Adapter in the machine until the software has been fully installed.
1. Start Windows.
2. Insert the Sealevel Systems CD in to your CD drive.
3. If ‘Auto-Start’ is enabled for this drive the software will automatically launch. Otherwise, point your
browser to the ‘Index.htm’ on the root of the CD
4. Select ‘Install Software’.
5. Select the part number for your adapter from the listing.
6. Select ‘Windows 98/ME/NT/2000/XP’ the setup file will automatically detect the operating environment
and install the proper components. Next (depending on the OS version) select the ‘Run from 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.
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
Note: You need to have "root" privileges to install the software and drivers.
1. Login as "root".
2. Mount the CDROM by typing:
mount -t iso9660 /dev/hdc /cdrom
Note Your cdrom may not be /dev/hdc it could be /dev/hda, /dev/hdb, /dev/hdd, or if you have a SCSI drive
/dev/sda, /dev/sdb, /dev/sdc, etc. You may mount the CDROM to any location, the /cdrom is just a common
example.
3. Next change to the directory where you mounted the CDROM:
Ex. cd /cdrom/software/SeaIO/Other/linux
Note: The syntax is case sensitive.
4. Copy seaio .tar.gz to your home directory by typing:
cp seaio .tar.gz ~
5. Change to your home directory by typing:
cd
6. Unmount the drive and then Unzip and Untar the drivers and software by typing:
umount /cdrom
tar -xvzf seaio .tar.gz

Introduction
Sealevel Systems DIO-32.PCI Page 3
7. Change to the SeaIO directory by typing:
cd SeaIO
8. Now compile and prepare the drivers for use:
make install
9. With the system off and unplugged, install your SeaIO PCI card.
10. Plug system back in and boot Linux.
Login as "root".
11. Load the driver by typing:
SeaIO -load
The driver has enabled the card and is ready to use, and you now have the option to run a test utility on it. Skip to
section "Using the test software" if you wish to do so at this time.
To set up Linux to automatically load the driver; refer to a Linux manual concerning your specific distribution for
help.
Physical Installation
The adapter can be installed in any 5V 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 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. Replace the screw. (This is required to ensure FCC Part 15 compliance.)
6. Install cable (CA165).
7. Replace the cover.
8. Connect the power cord.
Installation is finished.

Technical Description
Sealevel Systems DIO-32.PCI Page 4
Technical Description
The DIO-32.PCI 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 Input Port (Opto Input)
Port B Address 301 769 Input Port
Port C Address 302 770 Output Port (Reed Relays)
Port D Address 303 771 Output Port
Features
•2 sets SPST relays with each set having 8 relays
•2 eight bit input ports
•DB37 male connector for relay outputs
•DB37 female connector for optically isolated inputs
•Highly reliable 10 VA DIP reed relays utilized
•Multiple adapters can reside in same computer
Input Ports
Ports A and B are 8 bit input ports connected to optically isolated input sensors. Each sensor can be used to
interface a voltage input and then sense whether the voltage is on or off. Each sensor is isolated (with respect to a
common ground) from every other sensor, and also isolated with respect to the host PC ground. This means that
signals such as low-level AC line voltage, motor servo voltage, and control relay signals can be ‘sensed’, or read by
the PC, without the risk of damage due to ground loops or ground faults.
Each sensor input pair has a current limiting resistor that is used to limit the input current to the opto-isolator. The
opto-isolator has two ‘back-to-back’ diodes internally. This allows AC or DC signals to be sensed, regardless of
polarity. When the applied voltage is high enough to cause the led in the opto-isolator to turn-on, the output of the
opto-isolator goes low (0 volts) and the signal is read as a low logic level (binary 0) by the PC. When the input
signal is too low to turn on the opto-isolator, the output goes high and the port bit is read by the PC as a high logic
level (binary 1).
The input impedance of each isolated input is approximately 560 ohms (factory default). The opto-isolator requires
approximately 3 mA to turn on. The maximum input current is 60 mA. Two things to consider when selecting the
input resistor. The first is turn on voltage for the circuit to sense, and second is the maximum input voltage.
Maximum input voltage must not provide too much power to the input resistor, and must also not overdrive the
opto-isolator input current specification. The following formulas apply:
Turn on current: 3 mA
Isolator diode drop: 1.1 V
Resistor power Max: .25 W
Turn on Voltage = diode drop + (turn on current) x ( resistance)
Or :
1.1 + (.003) x R
Maximum voltage = square root of (.25 (resistor value))

Technical Description
Sealevel Systems DIO-32.PCI Page 5
The following table shows four common input resistors and the ranges associated with each.
Input Resistor
(Ohms)
Value Turn-On
(Volts)
Max Input Range
(Volts)
Max Current
(mA)
220 1.76 7 27
560 2.8 12 20
1K 4.1 16 15
2.2K 7.7 24 10
The maximum input voltage can be increased by increasing the input resistor accordingly. Because socketed DIP
resistor networks are utilized, they can easily be replaced with a different value. This can be done at the factory, if
necessary. The input circuits are not intended for monitoring 120 volt AC circuits. In addition to being too high a
voltage for the circuits, it is dangerous to have that high a voltage on the card.
Sensor Input Ports Pin Assignments
(DB37 Female)
Port A Bit P1 Port B Bit P1
0 18,37 0 10,29
1 17,36 1 9, 28
2 16,35 2 8,27
3 15,34 3 7,26
4 14,33 4 6,25
5 13,32 5 5,24
6 12,31 6 4,23
7 11,30 7 3,22
Ground 2,20,21
+ 12 Volts 1
+ 5 Volts 19
Output Ports (Reed Relay)
Reed relays provide very high quality, long life, low current (10 Watt maximum), dry contact switch closures. Reed
relays are not suited for high current applications, and can be destroyed by inductive load switching, where a spark
occurs across the contacts internally. The relays are normally open, and close when energized.
Relay Specifications
•Contact Power Ratings: 10 Watts Maximum
•Contact Voltage Maximum: 100 Volts DC or AC Maximum
•Contact Current Maximum: .5 Amps DC or AC RMS
•Contact Resistance, Initial: .15 Ohms
•Rated Life:
Low Load: 200 Million Closures
Maximum Load: 100 Million Closures
•Contact Speed:
Operate: .5 mS
Release: .5 mS
Bounce: .5 mS
•Maximum Operating Speed: 600 Hertz

Technical Description
Sealevel Systems DIO-32.PCI Page 6
Output Ports (Reed Relay) Pin Assignments
(DB37 Male)
Port C Bit Relay P2 Pin Port D Bit Relay P2 Pin
0 K16 2,20 0 K8 10,28
1 K15 3,21 1 K7 11,29
2 K14 4,22 2 K6 12,30
3 K13 5,23 3 K5 13,31
4 K12 6,24 4 K4 14,32
5 K11 7,25 5 K3 15,33
6 K10 8,26 6 K2 16,34
7 K9 9,27 7 K1 17,35
Ground 18,36,37
+ 5 Volts 19
+ 12 Volts 1
Direct Hardware Control
In systems where the user’s program has direct access to the hardware (i.e. DOS) the table below gives the mapping
and functions that the DIO-32.PCI provides.
R = Read
W = Write
R/W = Read or Write
Function Available Port Address Hex Port Type
R A Base + 0 Input Port (Opto Input)
R B Base + 1 Input Port
R/W C Base + 2 Output Port (Reed Relays)
R/W D Base + 3 Output Port
FINDPCI.EXE is a utility used in the DOS environment to identify resources that have been assigned to the adapter
by the BIOS. It is found on the supplied Sealevel Software CD in the \software\seaio\Other\DOS directory. It will
display resources for each detected Sealevel Systems card in the system. These settings are also stored in the file
PCI.INI, located in the same directory as FINDPCI.EXE.
Each system motherboard organizes its physical PCI slots according to the current PCI specification. There is not a
fixed order or number of slots for each motherboard.
To determine which resources correspond to which PCI card, you may want to add the cards one at a time and run
FINDPCI.EXE after each card is added. Each PCI slot will have a corresponding BUS, DEVICE, and FUNCTION
number. These numbers uniquely identify that slot when running these DOS utilities. Note the slot data for each
card that you install.
Reading the Inputs
The inputs are active Low. If no voltage is applied across one of the differential inputs it returns a one on that bit.
If an AC or DC voltage is applied it returns a zero on that bit.
Reading the Outputs
The relay ports return the ones complement of the value that is currently being used to drive the relays.
Writing the Outputs:
The output ports are the only ports that can be written. The relays on a standard DIO-32.PCI are normally open. To
close a relay a one must be written to the appropriate bit.

Technical Description
Sealevel Systems DIO-32.PCI Page 7
Register Description
Address Mode D7 D6 D5 D4 D3 D2 D1 D0
Base+0 R PAD7 PAD6 PAD5 PAD4 PAD3 PAD2 PAD1 PAD0
Base+1 R PBD7 PBD6 PBD5 PBD4 PBD3 PBD2 PBD1 PBD0
Base+2 R/W PCD7 PCD6 PCD5 PCD4 PCD3 PCD2 PCD1 PCD0
Base+3 R/W PDD7 PDD6 PDD5 PDD4 PDD3 PDD2 PDD1 PDD0
Base+4 R {0} {0} {0} {0} {0} {0} {0} {0}
Base+5 R/W IRQEN IRQST {0} {0} {0} {0} IRC1 IRC0
Base+6 R {0} {0} {0} {0} {0} {0} {0} {0}
Base+7 R {0} {0} {0} {0} {0} {0} {0} {0}
Note: All ports are set to input after reset or power up.
Interrupt source is Base+0 bit D0. When selecting the Interrupt Mode, always disable interrupts prior to changing or
setting states. This will help prevent inadvertent or un-expected interrupts from occurring. When using the high and
low level interrupts, a change in state of the input must occur before the interrupt can be cleared. The device
providing the input to Base +0, bit D0 must do this.
PAD0-7 = Port A (Base+0)
PBD0-7 = Port B (Base+1)
PCD0-7 = Port C (Base+2)
PDD0-7 = Port D (Base+3)
IRC0-1= Interrupt Mode select (Base+5)
IRC1 IRC0
0 0 low level
0 1 high level
1 0 falling edge
1 1 rising edge
IRQEN = enable interrupts (Base+5) 0 = disabled
1 = enabled (disabled after reset or power up).
IRQST = interrupt status (Base+5)
1 = interrupt pending (reading the bit clears interrupt). Bit can not be written.

Specifications
Sealevel Systems DIO-32.PCI Page 8
Specifications
Environmental Specifications
Specification Operating Storage
Temperature Range 0º to 70º C
(32º to 158º F)
-50º to 105º C
(-58º to 221º F)
Humidity Range 10 to 90% R.H. Non-Condensing 10 to 90% R.H. Non-Condensing
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 Consumption
Supply line +12 VDC +5 VDC
Rating Optional Use 450mA
Physical Dimensions
Board length 6.00 inches (15.24 cm)
Board Height including Goldfingers 4.2 inches (10.668 cm)
Board Height excluding Goldfingers 3.825 inches (9.716 cm)

Appendix A - Troubleshooting
Sealevel Systems DIO-32.PCI Page 9
Appendix A - Troubleshooting
Sealevel Software is supplied with the Sealevel Systems adapter and may be used in the troubleshooting procedures.
Using this software and following these simple steps can eliminate most common problems without the need to call
Technical Support.
1. Identify all I/O adapters currently installed in your system. This includes your on-board serial ports,
controller cards, sound cards etc. The I/O addresses used by these adapters, as well as the IRQ (if any)
should be identified.
2. Configure your Sealevel Systems adapter so that there is no conflict with currently installed adapters. No
two adapters can occupy the same I/O address.
3. Make sure the Sealevel Systems adapter is using a unique IRQ. While the Sealevel Systems adapter does
allow the sharing of IRQs, many other adapters (i.e. SCSI adapters & on-board serial ports) do not. The
IRQ is typically selected by the BIOS or Operating system. Some BIOS setup software will allow changing
the IRQ, but others do not. Another method of changing assigned resources is to try changing PCI slots.
This will typically cause the BIOS or OS to reassign the resources.
4. Make sure the Sealevel Systems adapter is securely installed in a motherboard slot.

Appendix B - How To Get Assistance
Sealevel Systems DIO-32.PCI Page 10
Appendix B - How To Get Assistance
Please refer to Troubleshooting Guide prior to calling Technical Support.
1. Begin by reading through the Trouble Shooting Guide in Appendix A. If assistance is still needed
please see below.
2. When calling for technical assistance, please have your user manual and current adapter settings. If
possible, please have the adapter installed in a computer ready to run diagnostics.
3. Sealevel Systems provides an FAQ section on its web site. Please refer to this to answer many
common questions. This section can be found at http://www.sealevel.com/faq.asp.
4. Sealevel Systems maintains a web page on the Internet. Our home page address is
http://www.sealevel.com. The latest software updates, and newest manuals are available via our web
site.
5. Technical support is available Monday to Friday from 8:00 a.m. to 5:00 p.m. eastern time. Technical
support can be reached at [phone].
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.

Appendix C - Silk-Screen
Sealevel Systems DIO-32.PCI Page 11
Appendix C - Silk-Screen
6.00"
3.825"
4.200"

Appendix D - Compliance Notices
Sealevel Systems DIO-32.PCI Page 12
Appendix D - Compliance Notices
Federal Communications Commission Statement
FCC - This equipment has been tested and found to comply with the limits for Class A digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference in such case the user will be required to correct the interference at the users 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 characteristics of
information technology equipment”
EN55024 – “Information technology equipment Immunity characteristics Limits and methods of
measurement”.
EN60950 (IEC950) - “Safety of information technology equipment, including electrical business
equipment”
Warning
This is a Class A Product. In a domestic environment, this product may cause radio interference in which
case the user may be required to take adequate measures to prevent or correct the interference.
Always use cabling provided with this product if possible. If no cable is provided or if an alternate cable is required,
use high quality shielded cabling to maintain compliance with FCC/EMC directives.
.

Warranty
Sealevel Systems DIO-32.PCI Page 13
Warranty
Sealevel's commitment to providing the best I/O solutions is reflected in the Lifetime
Warranty that is standard on all Sealevel manufactured products. We are able to offer
this warranty due to our control of manufacturing quality and the historically high
reliability of our products in the field. Sealevel products are designed and
manufactured at its Liberty, South Carolina facility, allowing direct control over
product development, production, burn-in and testing.
Sealevel Systems, Inc. (hereafter "Sealevel") warrants that the Product shall conform to and perform in accordance
with published technical specifications and shall be free of defects in materials and workmanship for life. In the
event of failure, Sealevel will repair or replace the product at Sealevel's sole discretion. Failures resulting from
misapplication or misuse of the Product, failure to adhere to any specifications or instructions, or failure resulting
from neglect or abuse are not covered under this warranty.
Warranty service is obtained by delivering the Product to Sealevel and providing proof of purchase. Return
authorization must be obtained from Sealevel Systems before returned merchandise will be accepted.
Authorization is obtained by calling Sealevel Systems and requesting a Return Merchandise Authorization
(RMA) number. The Customer agrees to insure 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.
Sealevel Systems assumes no liability for any damages, lost profits, lost savings or any other incidental or
consequential damage resulting from the use, misuse of, or inability to use this product. Sealevel Systems will not
be liable for any claim made by any other related party.
This warranty applies to Sealevel manufactured Product. Product purchased through Sealevel but manufactured by a
third party will retain the original manufacturer's warranty.
Sealevel Systems, Incorporated
155 Technology Place
P.O. Box 830
Liberty, SC 29657 USA
[phone] FAX: [phone]
www.sealevel.com
email: [email protected]
Technical Support is available from 8 a.m. to 5 p.m. Eastern time.
Monday - Friday
Trademarks
Sealevel Systems, Incorporated acknowledges that all trademarks referenced in this manual are the service mark,
trademark, or registered trademark of the respective company.
DIO-32.PCI is a trademark of Sealevel Systems, Incorporated.