JSB340 2Amp Relay with Opto Inputs Module

The JSB340 USB Opto Isolated input with SPDT relay provides an optically isolated inputs for connections to user devices such as sensors or switches. The inputs senses DC voltage that can be read from the host PC, while providing full isolation. This eliminates surges present in industrial environments from effecting the host PC. The SPDT relay outputs provide host control between a common line, normally open, and close connections point.
Single unit cost starts at USD$ 110
JSB340 2Amp Relay with Opto Inputs Module
* USB controlled 2 Amp SPDT relays
* Opto Isolated digital Input
* High quality screw type terminal blocks
* High-Speed USB 2.0 device, USB 1.1 compatible
* Type B USB connector high-retention design
* All needed power drawn from USB port, no external power required for card
* Custom 32 and 64 bit Microsoft Windows drivers provided
* Info for linux and other OS support under software tab
* SPDT Relay ratings
2Amp @ 30VDC max Power 60W
Max DC Voltage 110VDC @ .5A
Contact Resistance: 250mOhm Max
Contact breakdown 750Vrms
Isolation 60db @ 10MHz
* 2 or 4 Opto Isolated Inputs
0-15V Range with 3.5V switch point
0-30V Range with 10V switch point
Reverse protection diodes
Optical isolation 2500VDC
Contact factory for higher input ranges
* Self Powered from USB (high power Hub)
*Operating Temperature: -20 to +70 C
*Storage Temperature: -40 to +105 C
*Humidity 5% to 90% RH, without condensation
Most of our customers write their own program for controlling our devices. With our provided API's you can use any programming language that supports DLL so you do not have to learn a whole new language. We provide two types of DLL api, first is the older standard DLL with both mangled calls and "C" calls. The second is the managed Class Library that supports all the new managed languages. Any programming language that supports calls to Windows DLL can also be used to control the cards. The software interface is easy to use from Visual Basic, Visual C# Visual C++ via a standard windows DLL with sample source included. Linux driver support CD available. Each module has an unique serial number string which allows multiple USB boards to be controlled by the host USB controller as individual USB devices. Click on blue tabs above to view other information about the module.
JSB340A-2404 USB Opto(0-30Volt) 4 relay and 4 opto in Enter Qty
1-9 $110ea.
10- 49 $95.75ea.
50+ $87ea.
Add to Cart
JSB340A-2402 USB Opto(0-30Volt) 2 relay and 2 opto in Enter Qty
1-9 $85ea.
10- 49 $74ea.
50+ $67.25ea.
Add to Cart
JSB340A-504 USB Opto(0-15Volt) 4 relay and 4 opto in Enter Qty
1-9 $110ea.
10- 49 $95.75ea.
50+ $87ea.
Add to Cart
JSB340A-502 USB Opto(0-15Volt) 2 relay and 2 opto in Enter Qty
1-9 $85ea.
10- 49 $74ea.
50+ $67.25ea.
Add to Cart
JSB340A-SP3A Special Order firmware Rev A 1 relay 1 Opto 3 day lead Enter Qty
1-9 $120ea.
10- 49 $114.5ea.
50+ $99ea.
Add to Cart
JSB340-Blank Blank board mounting to old pattern 7-10 Day lead Enter Qty
1-9 $35ea.
10- 49 $27ea.
50+ $25ea.
Add to Cart
JSB34x-Linux Linux Support Disk (Now include on CD) Enter Qty
1-9 $0ea.
10- 49 $0ea.
50+ $0ea.
Add to Cart
*Open Connector pdf file (printable)
JSB340 USB Opto Isolated Pinout Dwg
*Open Mechanical pdf file (printable)
JSB340 USB Opto Isolated Mechanical Dwg
*Open Interface pdf file (printable)
*Open Interface pdf file (printable)
jwControl Software Downloads
*Download jwControl CD V3.04 (10 Aug 2017) (zip file)
*Download Version History pdf (zip file)
This software replaces previous versions of module support software. It is a generic package that will provide support for all J-Works USB Modules. It is recommended that any new designs start with this package, and existing designs be moved over, if/when there is windows updates that require changes to the driver or API, the updates will only be made on jwControl CD. Also additional sample applications will be added to this CD only. There will be a larger number then normal revisions to this package, but most will not affect modules already supported, but is updates for modules not currently supported, or new samples. The Version History pdf outline changes
Labview Support
*Download Using Labview (pdf file)
Non-Windows OS Support (Linux and others)
*Download Using non-windows OS (pdf file)
Important readme about using dll with versions of windows .net Readme pdf
On some installations of Windows 7 and Windows 8 that are not configured to search the CD for drivers, it may show driver
not install and you need to do a manual install. If there is not yet a custom install under software downloads
you can download the pdf and zip of the generic install and copy your existing driver files from the CD, or do a manual install from PDF
Readme pdf
Generic install zip file
Before plugging module into the USB port, install driver as follows
1)Download jwControl software and exact from zip file
2)Run (double click) the batch file "DriverInstall.bat" in the top level of the software package
3)On some systems you may be asked if it is ok to run the program, click yes
4)On the welcome page dialog, click next to start install
5)When it completes done screen will be displayed, click finish
6)The module can now be plugged in, and green module led will come on
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Page Last Updated Mar 7, 2017