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Model USB-IIRO-16 is an ideal portable
solution for adding easy-to-install isolated input and relay output
digital I/O capabilities to any PC or embedded system with a USB port.
Featuring 16 Form C (SPDT) electromechanical relays and 16 optically
isolated digital inputs, the unit is the smallest of its kind for
digital monitoring and control using USB.
The isolated, non-polarized inputs may
be
driven by either DC sources of 3-31 V (or higher by special order) or
AC sources at frequencies of 40 Hz to 10KHZ. Optically isolating the
digital inputs from each other, and from the computer, assures smooth,
error-free data transmission in noisy, real-world environments. The
input channels are available via a 34-pin IDC type vertical header. The
relay outputs are de-energized at power-up to prevent an unintended
control output signal. Data to the relays is latched. The relay
contacts are available via a 50-pin IDC type vertical header.
The rugged industrial unit contains an
internal, removable screw termination board (USB-STB-84) with onboard
removable screw terminals to simplify wiring connections. The
USB-STB-84 mounts directly into the vertical IDC connectors of the
USB-IIRO-16 PCB. The USB-IIRO-16, like the PC/104 and PCI versions, is
excellent in applications where on-board relays are required and inputs
must be isolated such as in test equipment, instrumentation, and
process control. The USB-IIRO-16 is a USB 2.0 device, offering the
highest speed available with the USB bus. It is fully compatible with
both USB 1.1 and USB 2.0 ports. The OEM version provides just the board
without the enclosure and internal screw termination board and is ideal
for a variety of embedded OEM applications.
Features
High-Speed USB 2.0 device, USB 1.1
compatible
16 optically isolated inputs
16 Form C electromechanical 1A relays
Internal, removable screw terminal board for easy wiring
Small (4" x 4"x 1.4") rugged industrial enclosure
Custom high-speed function driver
PC/104 module size and mounting compatibility
RoHS compliant versions available
FACTORY OPTIONS
- Eight or four input/output
versions available
- Input only and relay only versions
- External power from AC/DC adapter for high current capabilities
- OEM (board only) version with PC/104 mounting holes and PCB
footprint for added flexibility in embedded applications
- DIN rail mounting provision
OEM USB/104
FORM FACTOR
What makes the OEM option unique is
that
its PCB size and mounting holes match the PC/104 form factor (without
the bus connections). This allows our rugged digital board to be added
to any PCI-104 or PC/104 stack by connecting it to a simple USB port
usually included on-board with embedded CPU form factors such as EBX,
EPIC, and PC/104 — especially important since many newer CPU chipsets
do not support ISA and have plenty of USB ports. Future stacks will be
using the extremely fast PCI Express bus which is essentially overkill
for simple digital monitoring and control. The USB-IIRO-16 OEM board
can also be added into many pre-existing standard PC/104 based systems
and enclosures.
Applications
The industrial I/O market commonly uses
electromechanical Form C relays due to their robustness and ability to
withstand unexpected surge currents allowing for increased flexibility
in switching capability. These relays are also used where small reed
relays are inadequate due to their susceptibility to contact damage.
The USB-IIRO-16 with its tiny enclosure and cable-less screw
termination board provides portable connections to laptops for this
kind of monitoring
and control for the mobile test market. The full USB-IIRO-16 unit can
be used in the following markets.
- Home
- Portable
- Laptop
- Education
- Laboratory
- Industrial Automation
- Embedded OEM
ACCESSORIES
The USB-IIRO-16
is available with
optional
cable assemblies, screw termination boards, an external AC/DC power
supply, and DIN rail mounting provisions.
SOFTWARE
The USB-IIRO-16 is plug-and-play which
allows quick connect or disconnect whenever you need additional I/O on
your USB port. The module utilizes a high-speed custom function driver
optimized for a maximum data throughput that is 50-100 times faster
than the USB human interface device (HID) driver used by many competing
products. This approach maximizes the full functionality of the
hardware along with capitalizing the advantage of high-speed USB 2.0.
The USB-IIRO-16 is supported for use in most USB supported operating
systems and includes a free Linux and Windows 98se/Me/2000/XP/2003
compatible software package. This package contains sample programs and
source code in Visual Basic, Delphi, C++ Builder, and Visual C++ for
Windows. Also incorporated is a graphical setup program in Windows.
Third party support includes a Windows standard DLL interface usable
from the most popular application programs. Embedded OS support include
Windows Xpe.
Specifications
Connector Pin Assignments
USB-IIRO-16-OEM has a
50-pin connector provided for Relay outputs and a 34-pin connector for
the isolated inputs. Connector pin assignments are listed below.
'Isolated Input'
Terminal Block PCB |
Signal |
|
'Relay Output'
Terminal Block PCB |
Signal |
| 1 |
GND |
|
1 |
Relay 7 - normally closed |
| 2 |
GND |
|
2 |
Relay 7 - common |
| 3 |
+PWR* |
|
3 |
Relay 7 - normally open |
| 4 |
+PWR* |
|
4 |
Relay 6 - normally closed |
| 5 |
N/C |
|
5 |
Relay 6 - common |
| 6 |
N/C |
|
6 |
Relay 6 - normally open |
| 7 |
N/C |
|
7 |
Relay 5 - normally closed |
| 8 |
N/C |
|
8 |
Relay 5 - common |
| 9 |
N/C |
|
9 |
Relay 5 - normally open |
| 10 |
N/C |
|
10 |
Relay 4 - normally closed |
| 11 |
Isolated Input 7 B |
|
11 |
Relay 4 - common |
| 12 |
Isolated Input 7 A |
|
12 |
Relay 4 - normally open |
| 13 |
Isolated Input 6 B |
|
13 |
N/C |
| 14 |
Isolated Input 6 A |
|
14 |
N/C |
| 15 |
Isolated Input 5 B |
|
15 |
Relay 3 - normally closed |
| 16 |
Isolated Input 5 A |
|
16 |
Relay 3 - common |
| 17 |
Isolated Input 4 B |
|
17 |
Relay 3 - normally open |
| 18 |
Isolated Input 4 A |
|
18 |
Relay 2 - normally closed |
| 19 |
Isolated Input 3 B |
|
19 |
Relay 2 - common |
| 20 |
Isolated Input 3 A |
|
20 |
Relay 2 - normally open |
| 21 |
Isolated Input 2 B |
|
21 |
Relay 1 - normally closed |
| 22 |
Isolated Input 2 A |
|
22 |
Relay 1 - common |
| 23 |
Isolated Input 1 B |
|
23 |
Relay 1 - normally open |
| 24 |
Isolated Input 1 A |
|
24 |
Relay 0 - normally closed |
| 25 |
Isolated Input 0 B |
|
25 |
Relay 0 - common |
| 26 |
Isolated Input 0 A |
|
26 |
Relay 0 - normally open |
Isolated Inputs
- Number: Sixteen
- Type: Non-polarized, optically isolated from each other and
from the computer (CMOS compatible)
- Voltage: 3 to 31 DC or AC RMS (40 to 1000 Hz)
- Isolation: 500V* (see manual) channel-to-ground and
channel-to-channel
- Resistence: 1.8K ohms in series with opto-coupler
- Filter Response: Rise Time = 4.7 mS / Fall Time = 4.7 mS
- Non-Filter Response: Rise Time = 10 uS / Fall Time = 30 uS
Relay Outputs
- Number: Sixteen SPDT form C
- Contact Type: Single crossbar; Ag with Au clad
- AC Load: 0.5 A at 125 VAC (62.5 VA max.)
- DC Load: 1A at 24 VDC (30 W max.)
- Switching Voltage: 125 VAC, 60 VDC max.
- Switching Current: 1A max.
- Contact Resistance: 100 mOHM max
- Contact Life: mech' l: 5 million operations min.
- Operating Time: 5 msec max.
- Release Time: 5 msec max.
Environmental
- Operating Temperature Range:
0° to 70°C
- Storage Temperature Range: -40° to +85°C
- Humidity: Maximum 90% RH, without condensation
- Board Dimension: 3.550 x 3.775 inches
- Box Dimension: 4.00 x 4.00 x 1.4 inches
Power
- 5V@ 30mA typical (all relays
off, add 30mA per relay)
- 5V@ 510mA typical (all relays ON)
- +5VDC provided via USB cable up to 500mA**
**optional external power supply can
be
ordered if relay use of the USB-IIRO-16 is expected to be greater than
what can be supplied by the USB cable.
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