SeaLevel PIO-48 User manual

Part # 8203
Sealevel Systems, Inc
155 Technology Place
P.O. Box 830
Liberty, SC 29657 USA
Phone: [phone]
FAX: [phone]
www.sealevel.com
TM
SeaPORT PIO-48
USER MANUAL

Content
INTRODUCTION..................................................................................................1
OVERVIEW .................................................................................................................1
WHAT’S INCLUDED....................................................................................................1
INDUSTRY STANDARD RELAY RACK CABLES AND OPTIONS......................................1
INSTALLATION.................................................................................................1
TECHNICAL DESCRIPTION............................................................................2
SOFTWARE ................................................................................................................2
3RD PARTY SOFTWARE SUPPORT................................................................................2
ELECTRICAL CHARACTERISTICS.................................................................................3
BANKS AND PORTS....................................................................................................5
SERIAL STRING...........................................................................................................5
50 PIN RIBBON CABLE PIN OUT....................................................................................6
PROGRAMMING................................................................................................7
APPLICATION PROGRAMMERS INTERFACE (API) .......................................................7
PRESETTING AN OUTPUT PORT:.................................................................................7
INTERRUPTS:..............................................................................................................7
PORT CONFIGURATION:.............................................................................................8
RELATIVE ADDRESSING VS. ABSOLUTE ADDRESSING...................................................9
SPECIFICATIONS............................................................................................12
ENVIRONMENTAL SPECIFICATIONS..........................................................................12
POWER CONSUMPTION...........................................................................................12
MEAN TIME BETWEEN FAILURES (MTBF).............................................................12
APPENDIX A -TROUBLESHOOTING........................................................13
APPENDIX B -HOW TO GET ASSISTANCE.............................................14

APPENDIX C -SILK-SCREEN......................................................................15
APPENDIX D -COMPLIANCE NOTICES..................................................16
FEDERAL COMMUNICATIONS COMMISSION STATEMENT........................................16
EMC DIRECTIVE STATEMENT ................................................................................16
WARRANTY.......................................................................................................17
FIGURES
Figure 1-Operating Conditions................................................................3
Figure 2-Pull Up Resistors........................................................................4
Figure 3-Bank and Ports............................................................................5
Figure 4-50 Pin Header/Ribbon Cable Pin out.....................................6
Figure 5-Absolute Byte Address (Same for any configuration) .........9
Figure 6-Relative Byte Address (Only applies to the given
configuration)........................................................................................9
Figure 7-Absolute Bit Address (Same for any configuration)..........10
Figure 8-Absolute Bit Address (Same for any configuration)..........11
Figure 9-Bit Relative Address (Print and fill in for your configuration)
.................................................................................................................11
© 2001l Sealevel Systems, Incorporated. All rights reserved.

Introduction and Installation
Sealevel Systems SeaPORTPIO-48 Page 1
Introduction
Overview
The Sealevel Systems SeaPORT PIO-48 provides six eight-bit ports that may
be individually configured as inputs or outputs.
What’s Included
The SeaPORT PIO-48 is shipped with the following items. If any of these
items is missing or damaged, contact the supplier.
•SeaPORT PIO-48 Adapter
•Sealevel Software CD
•5V Power Supply
•USB A to B Cable, Part number CA179
Industry Standard Relay Rack Cables and Options
•Part number CA135 for Edge Connection
•Part number CA167 for IDC Connection
•Part number TB07-50 pin terminal block
Installation
For proper operation install software first. To install the software place the CD
in your CD-ROM tray and the auto-run program will start. If auto-run is not
available browse the CD and choose “index.htm”. Choose Install Software at
the beginning of the CD. Select the Digital I/O software drivers and install
SeaIO prior to installing hardware. After installing the software, connect the
power adapter and USB cable to the SeaPORTPIO-48. In the event that the
hardware is installed first, the “Found new hardware wizard” will request a
driver disk. Insert Sealevel Systems CD and browse the SeaIO directory for the
“SeaIO.inf” file. A complete installation of the SeaIO suite is recommended by
running setup. When plugged in the device will light its enable LED once
enumerated properly. Be sure to follow these steps to insure that the
SeaPORT PIO-48 opens and enumerates properly.

Specifications
Sealevel Systems SeaPORTPIO-48 Page 2
Technical Description
The SeaPORT PIO-48 provides 48 channels of digital I/O configurable as
inputs or outputs. Applications include PC based control and automation of
sensors, switches, satellite antenna control systems, video and audio studio
automation, security control systems, and other industrial automation.
Software
The SeaPORT PIO-48 ships with Sealevel Systems’ SeaI/O suite of Windows
98/NT/ME/2000 drivers. SeaI/O provides the user with a consistent and
straightforward API, allowing the developer to concentrate on the details of the
application as opposed to low level driver development. Popular development
environments are supported for application development. SeaI/O includes
sample applications and a utility for configuring the driver parameters under
Windows, further simplifying installation.
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
http://www.sealevel.com/3rdpartysw.htm.

Specifications
Sealevel Systems SeaPORTPIO-48 Page 3
Electrical Characteristics
Figure 1, below provides the electrical characteristics of each Input/Output.
Each port is buffered with a 74ABT245 octal bi-directional transceiver. Each
input is capable of sinking up to 64 mA, while each output can source up to 32
mA. The SeaPORT PIO-48 requires a 5Vpower source and is shipped with a
5V power supply rated at 2.4 A.
Recommended Operating Conditions
Min Max
Input 0 V 5.25 V
Source 32 mA
Sink 64 mA
Electrical Characteristics
High Level Input Voltage Min 2 V
Low Level Input Voltage Max 0.8 V
High Level Output Voltage Min 2 V at 32 mA
Typically 3.4 V at 3 mA
Low Level Output Voltage Max 0.55 V at 64 mA
Figure 1-Operating Conditions

Specifications
Sealevel Systems SeaPORTPIO-48 Page 4
Pull Ups
Ten pin bussed resistor packs are installed to provide pull-ups to the input
ports. These are installed on all ports. The pull-up resistor packs are rated at
10K ohms. Figure 2 below provides the bussed resistor and corresponding port.
The resistors insure that no line is floating which is not connected. This
provides consistent biasing on all un-terminated lines.
Bussed
Corresponding
Resistor Port
RP3 Port A1
RP2 Port B1
RP1 Port C1
RP6 Port A2
RP5 Port B2
RP4 Port C2
Figure 2-Pull Up Resistors

Specifications
Sealevel Systems SeaPORTPIO-48 Page 5
Banks and Ports
The SeaPORT PIO-48 has two 50 pin headers. Each 50 pin header is a bank of
three ports, comprising a total of six eight bit ports. Each port is eight bits wide
and may be configured as an input or output port. Figure 3 below gives the bank
and port organization.
Bank 1 –P2 Bank 2 –P3
Port A1 Port A2
Port B1 Port B2
Port C1 Port C2
Figure 3-Bank and Ports
Serial String
Each device has an eight digit alphanumeric serial string stored in non-volatile
memory. On the Windows platforms, this number is used to give each unit a
separate identity. This identity allows the device to be moved to any USB port
or hub port on your computer while retaining its device number. If a device
becomes damaged and is replaced the new device should be given the same
serial string as the device it is replacing.
This string is stored in an EEPROM along with other critical information. This
EEPROM is read during enumeration. The device should not be unplugged
during its enumeration due to a remote possibility that the data in the EEPROM
could be corrupted if power is removed during a read/write cycle.
The control panel utility provides the capability to read or modify this string.
However, setting the same string for two units will cause the second unit
to fail enumeration, and make it invisible to the operating system. Should
this occur, unplug one unit and set the serial string for the other unit to a
different string.

Specifications
Sealevel Systems SeaPORTPIO-48 Page 6
50 pin ribbon cable pin out
Each of the two 50 pin ribbon cable headers has the following pin out as shown
in Figure 4.
Description Pin #
Port A
A0 47
A1 45
A2 43
A3 41
A4 39
A5 37
A6 35
A7 33
Port B
B0 31
B1 29
B2 27
B3 25
B4 23
B5 21
B6 19
B7 17
Port C
C0 15
C1 13
C2 11
C3 9
C4 7
C5 5
C6 3
C7 1
GND All Even pins
+5V 49
Figure 4-50 Pin Header/Ribbon Cable Pin out

Specifications
Sealevel Systems SeaPORTPIO-48 Page 7
Programming
Application Programmers Interface (API)
The SeaIO driver, API, and utilities have been included to provide control over
the hardware in Windows environments. The following section is designed to
help the customer understand the API connection to the actual I/O for the
SeaPORT PIO-48. Complete documentation of the API can be found in the
SeaI/O help file.
Presetting an Output Port:
Each port has an output register associated with it. This register may be written
and retains its value whether the port is configured as an input or an output. To
preset the value of an output port the program should write to the port when it
is configured as an input then configure it as an output. Inputs cannot be written
to with relative addressing, absolute addressing must be used. Refer to
Relative Addressing vs. Absolute Addressingfor more information.
Interrupts:
Interrupt sampling can be set up in the API. Port A1 bit zero (0) is the
interrupt source (pin 47 of P2). Refer to the API section in the SeaI/O help
file for more information.

Specifications
Sealevel Systems SeaPORTPIO-48 Page 8
Port Configuration:
Each eight-bit port can be configured as inputs or outputs. The API provides a
set adapter state call to access the control words.
Note: The control panel also allows you to configure the device. Your program
can over ride the control panel configuration when executed, but the control
panel configuration will be the default on power up. The default settings are
based on the settings in the control panel application when last changed and
saved after re-booting.

Specifications
Sealevel Systems SeaPORTPIO-48 Page 9
Relative Addressing vs. Absolute Addressing
The SeaIO API makes a distinction between “absolute” and “relative”
addressing modes. In absolute addressing mode, the Port argument to the API
function acts as a simple byte offset from the base I/O address of the device.
For instance, Port #0 refers to the I/O address 0; Port #1 refers to the I/O
address 1.
Relative addressing mode refers to input and output ports in a logical fashion.
With a Port argument of 0 and an API function meant to output data, the first
(0th) output port on the device will be utilized. Likewise, with a Port argument
of 0 and an API function designed to input data, the first (0th) input port of the
device will be utilized.
In all addressing modes, port numbers are zero-indexed; that is, the first port is
port #0, the second port is #1, the third #2, and so on. The mapping of absolute
addressing will always be the same, however, mapping for relative addressing
will be dependent on the configuration due to the fact that this device is
configurable.
Given Bank 1, Port B2, Port A3 and Port C3 are all inputs and the rest of the
ports are outputs, Figure 5 gives the Absolute address, and Figure 6 gives the
relative address.
Bank 1 –P2 Bank 2 –P3
Address Port Address Port
0A1 3A2
1B1 4B2
2C1 5C2
Figure 5-Absolute Byte Address (Same for any configuration)
Bank 1 –P2 Bank 2 –P3
Address Port Address Port
0 (input) A1 0 (output) A2
1 (input) B1 3 (input) B2
2 (input) C1 1 (output) C2
Figure 6-Relative Byte Address (Only applies to the given configuration)

Specifications
Sealevel Systems SeaPORTPIO-48 Page 10
Figure 7 below gives the absolute address for each bit on this device.
Bank 1 –P2 Bank 2 –P3
Address Port-Bit Address Port-Bit
0A1-024 A2-0
1A1-125 A2-1
2A1-226 A2-2
3A1-327 A2-3
4A1-428 A2-4
5A1-529 A2-5
6A1-630 A2-6
7A1-731 A2-7
8B1-032 B2-0
9B1-133 B2-1
10 B1-234 B2-2
11 B1-335 B2-3
12 B1-436 B2-4
13 B1-537 B2-5
14 B1-638 B2-6
15 B1-739 B2-7
16 C1-040 C2-0
17 C1-141 C2-1
18 C1-242 C2-2
19 C1-343 C2-3
20 C1-444 C2-4
21 C1-545 C2-5
22 C1-646 C2-6
23 C1-747 C2-7
Figure 7-Absolute Bit Address (Same for any configuration)

Specifications
Sealevel Systems SeaPORTPIO-48 Page 11
Figures 8 and 9 are provided for the user to record their particular relative
addressing setup, provided its constant. Print this page and fill in the tables
starting in the top left corner of each and work from top to bottom, left to right.
Start with zero (0) on the first input and increment by one on each additional
input. Next move to outputs and again start with zero (0) and increment by one
on each additional output.
Bank 1 –P2 Bank 2 –P3
Address Port Address Port
A1 A2
B1 B2
C1 C2
Figure 8-Absolute Bit Address (Same for any configuration)
Bank 1 –P2 Bank 2 –P3
Address Port-Bit Address Port-Bit
A1-0A2-0
A1-1A2-1
A1-2A2-2
A1-3A2-3
A1-4A2-4
A1-5A2-5
A1-6A2-6
A1-7A2-7
B1-0B2-0
B1-1B2-1
B1-2B2-2
B1-3B2-3
B1-4B2-4
B1-5B2-5
B1-6B2-6
B1-7B2-7
C1-0C2-0
C1-1C2-1
C1-2C2-2
C1-3C2-3
C1-4C2-4
C1-5C2-5
C1-6C2-6
C1-7C2-7
Figure 9-Bit Relative Address (Print and fill in for your configuration)

Specifications
Sealevel Systems SeaPORTPIO-48 Page 12
Specifications
Environmental Specifications
Specification Operating Storage
Temperature
Range 0º to 50º C (32º to 122º F) -20º to 70º C (-4º to 158º F)
Humidity Range 10 to 90% R.H.
Non-Condensing 10 to 90% R.H. Non-Condensing
Power Consumption
Supply line+5 VDC
Rating 500 mA
Mean Time Between Failures (MTBF)
Greater than 150,000 hours. (Calculated)

Appendix A -Troubleshooting
Sealevel Systems SeaPORTPIO-48 Page 13
Appendix A -Troubleshooting
Following these simple steps can eliminate most common problems.
Install software first. After installing the software then proceed to adding the
hardware. This places the required installation files in the correct locations.
1. Read this manual thoroughly before attempting to install the adapter in
your system.
2. Use Device Manager under Windows to verify proper installation.
3. Use the SeaIO control panel applet for card identification and
configuration.
4. If these steps do not solve your problem, please call Sealevel Systems’
Technical Support, [phone]. Our technical support is free and
available from 8:00AM-5PM Eastern Time Monday through Friday.

Appendix B -How To Get Assistance
Sealevel Systems SeaPORTPIO-48 Page 14
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.htm .
4. Sealevel Systems maintains a Home page on the Internet. Our
home page address is www.sealevel.com. The latest software
updates, and newest manuals are available via our FTP site that can
be accessed from our home page.
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 (864)
843-4343.
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 SeaPORTPIO-48 Page 15
Appendix C -Silk-Screen

Appendix D -Compliance Notices
Sealevel Systems SeaPORTPIO-48 Page 16
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 his own 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.
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 SeaPORTPIO-48 Page 17
Warranty
Sealevel Systems, Inc. provides a limited lifetime
warranty. Should this product fail to be in good working
order at any time, Sealevel Systems will, at it’s option, replace or repair it at no
additional charge except as set forth in the following terms. This warranty does
not apply to products damaged by misuse, modifications, accident or disaster.
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.
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.
Sealevel Systems, Incorporated
155 Technology Place
P.O. Box 830
Liberty, SC 24857 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.
SeaPORT PIO-48 is a trademark of Sealevel Systems, Incorporated.