bmcm USB-OI16 User manual

USB-OI16
Isolated Digital I/O Interface (USB)
Functional diagram
32 Channels. Monitor & Control.
Galvanically Isolated.
Record and output digital signals electrically iso-
lated. The USB-OI16 features two 16-bit ports
with 16 digital inputs and outputs each. Besides
that, up to 2 counters or incremental encoders can
be connected at the first digital inputs.
16 Optocoupler Inputs.
16 Semiconductor Switches.
16 digital states in the 3..32V voltage range can
be sampled and recorded. The 16 semiconductor
switches of the USB-OI16 are realized with high-
side drivers for voltages in the 5..32V range.
Enlightened.
The state of the input and output lines is indicated
by LEDs.
Count and Measure: Pulses.
Frequency. Position. Period.
If for the acquisition of large quantities, speed
measurement, or determination of position: These
are only a few applications the two 32-bit count-
ers of the USB-OI16 can be used for. The inte-
grated pulse time measurement function produces
precise results especially in the low-frequency
range.
Get Connected.
The digital channels of the application-specific
hardware (sensor, machine, etc.) are connected at
a 37-pin D-Sub female.
Plug & Play.
The connection to the PC is realized via USB.
The USB-OI16 provides all typical USB features
(e.g. Plug&Play, Hot-Plug). Up to 127 devices
can be connected and installed during operation.
Self-Powered.
The device is internally supplied with 5V pro-
vided by the USB interface. This reduces cabling
efforts to a minimum and makes mobile meas-
urements a lot easier. An external supply unit can
be connected for higher output switching voltages
at the digital outputs (7..32V).
Open for Everyone.
Widely supported: The USB-OI16 can be used
under Windows®XP/7/8 as well as under Mac
OS X, Free BSD, and Linux. The software for in-
stallation and programming is included for free.
NextView®4. Test for Free.
The device is supported by NextView®4, the
software for data acquisition and analysis. A fully
functional 30-day trial is included with delivery
to directly test the functionality of the USB-OI16.

USB-OI16
Page 2
1Block Diagram
μController
USB
OUT 1 .. 16
D+
D-
1
7. . 3 2 V (e x t . )
2
9
8
10
B
.
.
.
.
.
.
16
.
.
.
.
.
.
.
.
.
.
.
.
IN 1 .. 16
1
2
3
16
15
.
.
.
A
.
.
.
.
.
.
DC/DC
Treiber/ Driver
5V (int.)
Treiber/ Driver
2Start-up Procedure
Install the bmcm driver package (see chapter 4.1.1). Connect the USB cable of the USB-OI16 to the USB in-
terface of the PC and start the Plug&Play installation (see chapter 4.1.2). The device features an internal
power supply of 5V.
If the digital outputs require a switching voltage higher than the 5V of the USB interface, an external power
supply providing 7..32V (see chapter 3.3) can be connected.
If necessary, further software components can be installed now, as described in chapter 4.

USB-OI16
Page 3
3Operating Elements, Connections, and Pin Assignments
The available connections and components of the USB-OI16 are shown in the following figure of the board
(view on top of the board (fitted with components), D-Sub 37 connector on the left).
Figure 1
3.1 LEDs
16 LEDs on the USB-OI16 (see Figure 1, p. 3), each dedicated to the inputs and outputs, are turned on when
a digital channel is high.
3.2 Connection to the PC
The standard USB connector (type B) serves for the connection of the USB-OI16 to the PC. 5V
voltage supply is also provided via the USB interface (see chapter 3.3).
3.3 Switching Voltage
A 7..32V DC switching voltage for the digital outputs can be connected at the 37-pin D-Sub female (see
chapter 3.4).
If there is no external power supply unit, a 5V power supply is generated internally for the outputs 1..16. The
switching current per output in this case is 1mA.

USB-OI16
Page 4
3.4 Digital Channels
The digital lines are attached to the 37-pin D-Sub female (see
Figure 1, p. 3). Electrical isolation to the PC is guaranteed by
optocouplers on the USB-OI16.
The digital lines are addressed via two 16-bit ports A and B by
software. The 16 digital inputs (port A: I1..I16) and the 16 digi-
tal outputs (port B: O1..O16) are hard-wired at the D-Sub 37.
!
•Please carefully observe the polarity! Only apply volt-
ages within the adjusted range!
•IOGND must never be connected to GND, as this would
override the galvanic isolation!
3.4.1 Digital Inputs
Up to 16 digital inputs are provided for digital sensors or other digital signal sources in the 3..32V range at
the connections I1..I16.
The following table and figure shows the pin assignment of the digital inputs at the 37-pin D-Sub female and
the related port assignment:
Digital IN D-Sub37 Port/bit Digital IN D-Sub37 Port/bit
I1 11 A/0 I9 15 A/8
I2 30 A/1 I10 34 A/9
I3 12 A/2 I11 16 A/10
I4 31 A/3 I12 35 A/11
I5 13 A/4 I13 17 A/12
I6 32 A/5 I14 36 A/13
I7 14 A/6 I15 18 A/14
I8 33 A/7 I16 37 A/15
3.4.2 Digital Outputs
To control machines, switch a relay, etc. with 5V or 7..32V (see chapter 3.3), the 16 digital outputs O1..O16
can be used.
counter :
Digital IN D-Sub37 Port/bit Digital IN D-Sub37 Port/bit
O1 1 B/0 O9 5 B/8
O2 20 B/1 O10 24 B/9
O3 2 B/2 O11 6 B/10
O4 21 B/3 O12 25 B/11
O5 3 B/4 O13 7 B/12
O6 22 B/5 O14 26 B/13
O7 4 B/6 O15 8 B/14
O8 23 B/7 O16 27 B/15

USB-OI16
Page 5
3.5 Counters with Pulse Time Measurement
The USB-OI16 features two 32-bit counters allowing the con-
nection of incremental encoders.
The counter inputs (A, B, and Reset) are configured by soft-
ware and can be reached then at the first digital input pins
(counter 1: I1-I3; counter 2: I4-I6).
The following table and figure shows the pin assignment of the
counter inputs at the 37-pin D-Sub female:
Counter 1 D-Sub37 Counter 2 D-Sub37
Signal A 11 Signal A 31
Signal B 30 Signal B 13
Reset 12 Reset 32
The USB-OI16 counts the number of
incoming pulses (max. 250kHz) sam-
pled at the connection of signal A. If the
maximum counting range is reached,
the counter will be reset to the mini-
mum value of the counting range.
If the external counter reset is con-
nected, the counter can be reset at any
time.
In comparison to a counter, the quadrature decoder considers the counting direction by decoding a second
phase-shifted signal.
To activate the counting function, the respective digital lines of the USB-OI16 must be assigned to the
counter via software.
Function Description Max. pulse frequ. Connection Pins/Counter Counting range
Counter count Ç250kHz Signal A 1 0..232-1
Up/Down counter count ÇÈ 100kHz Signal A, Signal B 2 -231 .. 231-1
Incremental encoder count ÇÈ 100kHz Signal A, Signal B 2 -231 .. 231-1
Pulse time
measurement
measure time
betw. 2 edges
250kHz Signal A 1 -
Please refer to the relevant documentation of your product for further information about connecting
your incremental encoder.
3.6 Interfacing Example
The figure on the right shows
the connection of an incremental
encoder, a switch, a relay, an
LED, and a lamp to USB-OI16
with external supply.

USB-OI16
Page 6
4Software Installation
All software and documentation available for the USB-OI16 are integrated on the "Software Col-
lection" CD included with delivery. When inserting the CD, a CD starter opens automatically (oth-
erwise: start openhtml.exe).
USB-OI16
Change to the product page of the USB-OI16 by selecting the entry "Products" in the CD starter
and then the hardware ("USB-OI16 ") listed under the interface "USB".
For detailed information about installing or operating the software, please see the corresponding
manuals. The Adobe Acrobat Reader is required to open the documentation in PDF format.
You can run the installation directly from CD. If your browser prevents this, first save the
setup program to hard disc before running it separately.
Software Software product Notes Documentation
Device
driver
BMCM-DR
(driver package)
1. install driver package to hard disc
2. Windows®Plug&Play installation
IG-BMCM-DR
(driver installation manual)
Program-
ming
STR-LIBADX ActiveX control for hardware independent pro-
gramming
IG-LIBADX
(installation / programming manual)
STR-LIBADX-EX example programs for LIBADX ActiveX control -
SDK-LIBAD SDK with example programs for C/C++ on
Windows®, Mac OS X, FreeBSD, Linux
UM-LIBAD4
(installation / programming manual)
Operating
program
NV4.6 measuring software NextView®4 available in the
Standalone versions:
•Lite: "slim" version with basic functions
•Pro: full version with complete functional
range
•Analysis: version for the analysis of stored
measuring data
NextView®4 can be used for free as a fully func-
tional 30-day trial version. After purchasing the
software, all projects, measurement files, and
settings can still be used.
DS-NV4
(data sheet)
UM-NV4
(user manual)
"First steps" in the NextView®4
demo project (displayed when first
starting the software)
4.1 Driver Installation
Under Windows®, the driver installation is always required for the USB-OI16. Only then addi-
tional software can be installed. To make sure the installation is done correctly, please follow the
instructions in the order as described below.
Under Mac OS X, FreeBSD and Linux, driver installation is not necessary.
4.1.1 Install Driver Package
The prior installation of the bmcm driver package BMCM-DR to the hard disc of your PC makes the driver
search for Windows®much easier. Especially in case of driver updates, only the new driver package has to
be installed, the hardware automatically uses the new version.
The link to install the driver package is located on the USB-OI16 product page of the "Software Collection"
CD.

USB-OI16
Page 7
4.1.2 Plug&Play Installation
As soon as the USB-OI16 is connected to the PC, the system announces the new hardware. Since the driver
package has been copied to hard disc before, the hardware will be installed automatically under Windows®
7/8. Under Windows®XP, the automatic hardware detection is started by selecting the following:
- Windows®7/8:no specifications required
- Windows®XP:"Install the software automatically" (SP2: do not connect with Windows®Update!)
4.1.3 Check Installation
The entry "Data Acquisition (BMC Messsysteme GmbH)" is included in the Windows®Device Manager af-
ter successful installation displaying the installed bmcm hardware. To open the Device Manager, proceed as
follows:
- Windows®7: Start / Control Panel / System and Security / System / Device Manager
- Windows®8: Right-click screen corner bottom left (keyboard "Windows+X") / Device Manager
- Windows®XP:Start / Control Panel / System / TAB "Hardware" / button "Device Manager"
Double click the USB-OI16 to show its properties. For general information, any existing device conflicts,
and possible sources of error, see TAB "General".
4.2 Programming
Programming the USB-OI16 with Visual Basic®, Delphi®, Visual C++™under Windows®XP/7/8 is possible
with the hardware independent STR-LIBADX. It is available on the USB-OI16 product page of the "Soft-
ware Collection" CD. After installation, the ActiveX control must be loaded into the respective programming
environment.
-Visual Basic®: menu "Project / Components", entry "LIBADX Object Library 4.0"
-Delphi®: menu "Components / Import ActiveX", entry "LIBADX Object Library 4.0"
If you select the entry STR-LIBADX-EX, you can install example programs (with source code) demonstrat-
ing how to apply the ActiveX control.
Programming the USB-OI16 under Mac OS X and Unix (FreeBSD, Linux) with C/C++ is done by
means of the LIBAD4 programming interface.
The SDK-LIBAD for the respective operating system (also Windows®) is included on the product
page of the USB-OI16. For further information about how to integrate the SDK in the program-
ming environment, please see the corresponding programming manual UM-LIBAD4.
4.3 Using USB-OI16 with NextView®4
Install the fully functional trial of the professional software NextView®4 for measurement data acquisition
and processing to directly test the features and functions of the USB-OI16.
The setup program NV4.6 is available on the product page of the card. When first starting the soft-
ware, request a license number with the option "Request 30 days free trial version" being checked and
select your device (USB-OI16) in the following dialog "Device Setup".
The data sheet and the start project of NextView®4 contain first instructions about how to install and operate
the program. For detailed information, an online help is provided.
The trial is valid for 30 days after requesting the license number. If a license is not purchased
within this period, the functional range of NextView®4 will be considerably cut down!

USB-OI16
Page 8
5Compatibility of the USB-OI16 to USB-PIO with OI16
The USB-OI16 incorporates all
functions in one device provided
by the combination of a
USB-PIO and OI16.
Therefore, the USB-OI16 can
serve as an alternative for this
hardware combination. All pre-
viously used applications are
fully compatible.
6Important Notes for Using the USB-OI16
•The USB-OI16 is only suitable for extra-low voltages – please observe the relevant regulations!
•An electrically isolated power unit (with CE) must be used for power supply.
•All accessible pins are electrostatic sensitive devices. Provide for an earthed conductive work place when install-
ing.
•Only use non-solvent detergents for cleaning. The product is designed to be maintenance-free.
•The board must not be used for safety-relevant tasks. With the use of the product, the customer becomes manufac-
turer by law and is therefore fully responsible for the proper installation and use of the product. In the case of im-
proper use and/or unauthorized interference, our warranty ceases and any warranty claim is excluded.
Do not dispose of the product in the domestic waste or at any waste collection places. It has to be either duly dis-
posed according to the WEEE directive or can be returned to bmcm at your own expense.
7Technical Data (typical at 20°C, after 5min., +5V supply)
•Digital Inputs
Number: 16 digital inputs, galvanically isolated by 16 optocouplers
Counters: 2 counters/incremental encoders (32 bit, opt. counter reset) can be connected at the first digital inputs
Counter frequency: max. 250kHz
Input voltage: 3..32V DC (>2.5V = high)
Surge protection: max. 60V DC for 10sec.
Input current // Input resistance: max. 0.35mA // app. 100k
•Digital Outputs
Number: 16 digital outputs, galvanically isolated by 16 optocouplers with 2 high-side drivers
Switching voltage: 5V DC (internal supply) or 7..32V DC (external supply)
Voltage drop (with ext. supply): app. 1.5V at the high-side driver
Switching current (with ext. supply): max. 0.25A per output, max. 0.8A in total per 8-bit high-side driver at 25°C
•General
Power supply: internal: 5V DC; external: 7..32V DC at 37-pin D-Sub female
Digital connection: 37-pin D-Sub female
USB interface: attach to PC at USB connector (type B), USB 2.0
CE standards: EN61000-6-1, EN61000-6-3, EN61010-1; for decl. of conformity (PDF) visit www.bmcm.de
ElektroG // ear registration: RoHS and WEEE compliant // WEEE Reg.-No. DE75472248
Max. perm. potentials (galv. isolation): 60V DC acc. to VDE, max. 1kV ESD on open lines
Temperature ranges: operating temp. -25..60°C, storage temp. -25..70°C
Relative humidity: 0..90% (not condensing)
Dimensions (L x W x H): app. 97mm x 105mm x 30mm
Delivery: device with DIN rail carrier and bracket, USB cable, "Software Collection" CD with drivers, descrip-
tion
Available accessories (optional): connecting cables ZUKA37SB, ZUKA37SS, D-Sub plug ZU37ST,
gender changer ZU37SS, waterproof housings ZU-PBOX-PG
Warranty: 2 years from date of purchase at bmcm, claims for damages resulting from improper use excluded
•Software
Software on CD (included): ActiveX Controls LIBADX (hardware independent) for programming on Windows®XP/7/8;
LIBAD4 SDK for C/C++ programming on Windows® XP/7/8, Mac OS X, Unix (FreeBSD, Linux);
trial version of the measuring software NextView®4 to test and operate the hardware
NextView®4 (optional): professional software (versions: Professional, Lite) for the acquisition and analysis of measurement
data on Windows®XP/7/8
Manufacturer: BMC Messsysteme GmbH. Subject to change due to technical improvements. Errors and printing errors excepted. Rev. 2.1 12/08/2014