SeaLevel 3820 User manual

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© Sealevel Systems, Inc. 3820 Manual | SL9134 10/2022
AIO-104+10
User Manual | 3820

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© Sealevel Systems, Inc. 3820 Manual | SL9134 10/2022
Contents
CONTENTS...........................................................................................................................................................2
INTRODUCTION ................................................................................................................................................... 3
BEFORE YOU GET STARTED ...............................................................................................................................4
CARD SETUP ........................................................................................................................................................5
SOFTWARE INSTALLATION ................................................................................................................................8
PHYSICAL INSTALLATION..................................................................................................................................9
TECHNICAL DESCRIPTION ...............................................................................................................................10
SPECIFICATIONS ...............................................................................................................................................16
APPENDIX A – TROUBLESHOOTING................................................................................................................18
APPENDIX B – HOW TO GET ASSISTANCE .....................................................................................................19
APPENDIX C – SILK SCREEN............................................................................................................................20
WARRANTY ........................................................................................................................................................21
................................................................................................................................................................................

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© Sealevel Systems, Inc. 3820 Manual | SL9134 10/2022
Introduction
The AIO-104+10 is a PC/104 form factor adapter that provides an eight channel multiplexed; single-ended,
12-bit Analog to Digital converter and a two channel 12-bit Digital to Analog converter. The adapter also
provides 16 bits of Digital I/O, with input/output direction selectable at the bit level.

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Before You Get Started
What’s Included
The AIO-104+10 is shipped with the following items. If any of these items is missing or damaged, contact
the supplier.
•AIO-104+10 Interface 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.

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Optional Accessories
•CA110 – This cable terminates the AIO-104+8’s 40 pin connector with a DB37 Male connector. It
is 8 inches in length.
•CA152 – This cable terminates the AIO-104+8’s 10 pin connector with a DB9 Male connector. It is
8 inches in length.
•CA112 – This cable has one DB37 Male connector and one DB37 Female connector and is 6 feet
in length.
•CA127 – This cable has one DB9 Male connector and one DB9 Female connector and is 6 feet in
length.
•TB02 – When used with the CA112 this terminal block provides screw terminals for easy field
connection. The TB02 terminal block is designed with both DB37 male and female connectors,
therefore; it can be used either directly with the CA112 or with an extension cable, regardless of the
port gender.
•TB05 – When used with the CA152 this terminal block provides screw terminals for easy field
connection. The TB05 terminal block is designed to directly connect with the CA152.
•KT101 - Terminal Block KT101 includes the TB02 and CA112 (DB37 M/F cable).
•KT105 - Terminal Block KT105 includes the TB05 and CA127 (DB9 M/F cable).
Card Setup
SW1 (Analog to Digital Current Loop Mode)
DIP-switch SW1 selects the A/D Current loop Mode. With the switch on, the channel is in a 0-20mA current
loop mode (with a 249 ohm 1% resister to ground and a 21K ohm input resistance, effective resistance is
equal to 246.1 ohms). With it off the channel is in a software selectable mode with selections of 0-5V, 0-
10V, ±5V and ±10V.
1 2 3 4 5 6 7
ON
8
CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7

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SW2 (Address and Interrupt Mode Selection)
The AIO-104+10 will occupy 16 consecutive I/O locations. The DIP-switch SW2 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 illustration shows the correlation between the DIP-switch setting and the address bits used
to determine the base address. In the example below, address 300H is selected as the base address.
Address 300H in binary is XX 11 0000 XXXX where X = a non-selectable address bit.
Setting the switch ‘On’ or ‘Closed’ corresponds to a ‘0’ in the address, while leaving it ‘Off’ or ‘Open’
corresponds to a ‘1’.
Switch positions ‘S’ and ‘M’ on switch SW2 selects the interrupt mode for each adapter.
With the ‘S’ selected, the adapter is in a (S)hared interrupt mode, which allows more than one adapter to
access a single IRQ.
‘M’ indicates the inclusion of a 1K-ohm pull-down resistor required on one adapter when sharing interrupts.
Set the switch to ‘S’ for shared interrupt mode on all adapters sharing an IRQ. On one of the adapters sharing
an interrupt set the switches for both ‘S’ and for ‘M’. This provides the pull-down resistor circuit that makes
sharing IRQs possible. If you are using more than one compatible adapter in a bus, you should only have
one adapter set to ‘M’.
Header E1 (IRQ Selection
The AIO-104+10 has an IRQ selection jumper, which should be set prior to use, if an interrupt is required by
the application software. Consult the user manual for the application software being used to determine the
proper setting.
1234567
ON
8
MS 9 8 7 6 5 4
15 12 11 10 9 7 5 4 3

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Headers E3 and E4 (D/A Voltage Range Selection)
Headers E3 and E4 set the D/A channel 0 and 1 output voltage range selection. This is selectable per
channel and is selected as either the 0-2.048V range or 0-4.095V range.
Header E2 (Voltage Selection)
Header E2 selects the voltage that is supplied from the card on pin 37 of the IDC40 connector J1. It is fused
at 1A and is either +5VDC or +12VDC.
0-4.095V
0-2.048V
E3

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© Sealevel Systems, Inc. 3820 Manual | SL9134 10/2022
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 [e-mail] to
receive access to the legacy 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 (#3810) for your adapter from the listing.
3. 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.
4. If installing in NT skip to ‘Windows NT Card Installation’ step 16.
5. Go to the "Add New Hardware Wizard" in the Control Panel.
6. When the Wizard asks if Windows should search for the new hardware, choose "No, I want to
select the hardware from a list."
7. Scroll through the list of categorized hardware and select ‘SeaIO Devices’. If this is the first
SeaI/O device select ‘Other Devices’ and ‘Sealevel Systems, Inc.’ instead of ‘SeaIO Devices’
8. Click "Next."
9. Select the card model and press "Next."
10. The Wizard will continue to guide through a few more informational prompts; continue to click
"Next" until it is completed.
11. The card's resource assignments may be adjusted through the Device Manager (if, for instance,
a change is needed in the I/O port address Windows assigned when the card was installed).
12. Windows software installation is complete
13. Windows NT Card Installation: After accomplishing steps 1 – 6, 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 needed.

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© Sealevel Systems, Inc. 3820 Manual | SL9134 10/2022
Physical Installation
Extreme care should be taken when installing the adapter to avoid causing damage to the connectors. After
the adapter is installed, connect the I/O cable to P1. Please note these headers are keyed so that pin 1 of
the cable matches pin 1 of the connector. Refer to Card Setup for information on setting the address before
inserting the adapter onto the stack.
1. Disconnect power to host machine.
2. Gently insert the adapter connector noting proper key orientation of the expansion connector on a
PC/104 compatible card. The adapter is keyed per the current PC/104 Specification. This will aid
in preventing the adapter from being inserted incorrectly.
3. Mounting hardware (nylon stand-offs and screws) is provided to ensure a good mechanical
connection. Retain any mounting hardware not used to allow for future expansion.
4. The cables provided are keyed and can be installed before or after the adapter is inserted in the
stack.
5. Reconnect to power source.

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Technical Description
The AIO-104+8 is a PC/104 form factor adapter that provides an eight channel multiplexed; single-ended,
12-bit Analog to Digital converter and a two channel 12-bit Digital to Analog converter. The adapter also
provides 16 bits of Digital I/O, with input/output direction selectable at the bit level.
The Analog to Digital Converter is software configurable to ranges of 0-5V, 0-10V, ±5V and ±10V
conversions with 12-bit resolutions at a maximum sampling rate of 100K Samples per Second (SPS).
Additionally, each channel may be selected via a DIP-switch to measure a 0-20 mA current-loop input.
Of particular importance is the impedance of the inputs. Typically this impedance in voltage mode is 21K
unipolar mode and 16K in the bipolar mode.
If the maximum voltage is greater than ±15 volts, do not connect the board to this signal source. A
maximum voltage greater than ±15 is beyond the board’s usable common-mode range. Either adjust the
grounding system or add some type of isolated signal conditioning to make reasonable measurements.
Any voltage measured with respect to ground should not be more than ±15V as this could damage the
board and possibly the PC.
The Digital I/O bits are individually selectable at the bit level as to Input or Output.
The adapter occupies 16 consecutive I/O addresses. The following table describes each I/O bit and its
usage.
Adapter I/O Map
Address D7 D6 D5 D4 D3 D2 D1 D0
Base+0 (Read)
ADD7
ADD6
ADD5
ADD4
ADD3
ADD2
ADD1
ADD0
Base+0 (Write)
PD1
PD0
ACQMOD
RNG
BIP
A2
A1
A0
Base+1 (Read)
ADD11
ADD10
ADD9
ADD8
Base+2 (Read)
INT
Base+3
Base+4 (R/W)
P1CF7
P1CF6
P1CF5
P1CF4
P1CF3
P1CF2
P1CF1
P1CF0
Base+5 (R/W)
P1D7
P1D6
P1D5
P1D4
P1D3
P1D2
P1D1
P1D0
Base+6 (R/W)
P2CF7
P2CF6
P2CF5
P2CF4
P2CF3
P2CF2
P2CF1
P2CF0
Base+7 (R/W)
P2D7
P2D6
P2D5
P2D4
P2D3
P2D2
P2D1
P2D0
Base+8 (Write)
X
X
X
X
X
X
X
X
Base+9 (Write)
X
X
X
X
X
X
X
X
Base+A (Write)
X
X
X
X
X
X
X
X
Base+B (Write)
X
X
X
X
X
X
X
X

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Base+C (Write)
X
X
X
X
X
X
X
X
Base+D (Write)
X
X
X
X
X
X
X
X
Base+E
Base+F
Analog to Digital
A write to Base+0 configures the Analog to Digital converter and starts a conversion cycle. When the
conversion has completed, D0 of Base+2 is set to 0 (INT) and an interrupt can be generated if properly
configured.
Clock and Power-Down Selection (Base+0 bits D7 and D6)
PD1 PD0 Device Mode
0
0
Normal Operation / External Clock Mode
0
1
Normal Operation / Internal Clock Mode
1
0
Standby Power-Down (STBYPD); clock mode is unaffected
1
1
Full Power-Down (FULLPD); clock mode is unaffected
Acquisition Selection (Base+0 bit D5)
ACQMOD Mode
0
Internally controlled acquisition (6 clock cycles)
1
Externally controlled acquisition
Range and Polarity Selection (Base+0 bits D4 and D3)
RNG BIP Input Range (V)
0
0
0 - 5
0
1
± 5
1
0
0 – 10
1
1
± 10

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Channel Selection (Base+0 bits D2, D1 and D0)
A2 A1 A0 CH0 CH1 CH2 CH3 CH4 CH5 CH6 CH7
0
0
0
IN
0
0
1
IN
0
1
0
IN
0
1
1
IN
1
0
0
IN
1
0
1
IN
1
1
0
IN
1
1
1
IN
Digital I/O
Each bit is individually configurable as an input or output. The table below provides the electrical
characteristics of each Input/Output. Each port is directly connected to a CPLD. Each input is capable of
sinking up to 24 mA, while each output can source up to 24 mA.
Recommended Operating Conditions
Min
Max
Input
0 V
5.25 V
Source
24 mA
Sink
24 mA
Digital I/O Port 1 Bits 1-8 (Base+4)
(J1 Pins 21-36, grounds inclusive)
P1D0 – P1D7 = Digital I/O
Port 1 configuration register (Base+5)
P1CD0 – P1CD7 = I/O configuration register 0 = input, 1 = output

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Digital I/O Port 2 Bits 1-8 (Base+6)
(J2 Pins 1-10)
P2D0 – P2D7 = Digital I/O
Port 2 configuration register (Base+7)
P1CD0 – P1CD7 = I/O configuration register 0 = input, 1 = output
Connector Pin-outs
P4 (IDC40)
P4 Pin# Description P4 Pin# Description
1
A/D CH0
21
DI/O D0
2
GND
22
GND
3
A/D CH1
23
DI/O D1
4
GND
24
GND
5
A/D CH2
25
DI/O D2
6
GND
26
GND
7
A/D CH3
27
DI/O D3
8
GND
28
GND
9
A/D CH4
29
DI/O D4
10
GND
30
GND
11
A/D CH5
31
DI/O D5
12
GND
32
GND
13
A/D CH6
33
DI/O D6
14
GND
34
GND
15
A/D CH7
35
DI/O D7
16
GND
36
GND
17
No Connect
37
12Vor 5V fused
18
GND
38
No Connect
19
No Connect
39
No connect
20
GND
40
No Connect

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Optional DB37 Male (CA110)
DB-37 Description DB-37 Description
1
A/D CH0
20
GND
2
A/D CH1
21
GND
3
A/D CH2
22
GND
4
A/D CH3
23
GND
5
A/D CH4
24
GND
6
A/D CH5
25
GND
7
A/D CH6
26
GND
8
A/D CH7
27
GND
9
No Connect
28
GND
10
No Connect
29
GND
11
DI/O D0
30
GND
12
DI/O D1
31
GND
13
DI/O D2
32
GND
14
DI/O D3
33
GND
15
DI/O D4
34
GND
16
DI/O D5
35
GND
17
DI/O D6
36
GND
18
DI/O D7
37
GND
19
12Vor 5V fused
P5 (IDC10)
P5 Pin # Description
1
Port2 D0
2
Port2 D1
3
Port2 D2
4
Port2 D3
5
Port2 D4
6
Port2 D5
7
Port2 D6

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8
Port2 D7
9
GND
10
GND
Optional DB9 Male (CA152)
P5 Pin # DB-9 Description
1
1
Port2 D0
2
6
Port2 D1
3
2
Port2 D2
4
7
Port2 D3
5
3
Port2 D4
6
8
Port2 D5
7
4
Port2 D6
8
9
Port2 D7
9
5
GND
10
GND

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Specifications
Analog to Digital converter Specifications
A/D type MAX127 (Maxim)
Resolution 12 bits
Number of Channels 8
Input Dynamic Resistance Unipolar = 21K
Bipolar = 16K
Input Ranges
Software Selectable 0-5V, 0-10V, ± 5V, ± 10V
Hardware Selectable 0-20mA current loop
Sampling Rate 100Ksps
Integral Nonlinearity ± 1 LSB
Differential Nonlinearity ± 1 LSB
Offset Error Unipolar ± 5 LSB
Offset Error Bipolar ± 10 LSB
Channel to Channel Offset ± 0.1 LSB
Error Matching Unipolar
Channel to Channel Offset ± 0.3 LSB
Error Matching Bipolar
Gain Error Unipolar ± 10 LSB
Gain Error Bipolar ± 10 LSB

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Gain Temperature Coeff. Unipolar 3 ppm/C
Gain Temperature Coeff. Bipolar 5 ppm/C
Digital to Analog Specification
D/A type LTC1450 (Linear Technology)
Resolution 12 bits
Number of Channels 2
Output ranges 0 – 2.048V
0 – 4.095V
Output impedance 120 ohm max.
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 Requirements
Supply line +5 VDC
Rating (mA) 150 mA
Physical Dimensions
Board length 3.550 inches (9.017 cm)
Board Width 3.775 inches (9.589 cm)

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© Sealevel Systems, Inc. 3820 Manual | SL9134 10/2022
Appendix A – Troubleshooting
The adapter should provide years of trouble-free service. However, in the event that device appears to not
be functioning incorrectly, the following tips 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.
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 securely installed.
4. The following are known I/O conflicts:
•The 278 and 378 settings may conflict with your printer I/O adapter.
•3B0 cannot be used if a Monochrome adapter is installed.
•3F8-3FF is typically reserved for COM1:
•2F8-2FF is typically reserved for COM2:
•3E8-3EF is typically reserved for COM3:
•2E8-2EF is typically reserved for COM4:
5. Always use the Sealevel Systems diagnostic software when troubleshooting a problem. This will
help eliminate any software issues and identify any hardware conflicts.
If these steps do not solve your problem, please call Sealevel Systems’ Technical Support, [phone].
Our technical support is free and available from 8:00 A.M.- 5:00 P.M., Eastern Time Monday through Friday.
For email support contact [e-mail].

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© Sealevel Systems, Inc. 3820 Manual | SL9134 10/2022
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
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]. For email support contact
[e-mail].
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.

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© Sealevel Systems, Inc. 3820 Manual | SL9134 10/2022
Appendix C – Silk Screen