The ds9490r is a usb bridge with 1wire rj11 interface to accommodate 1 wire receptacles. The ds1402ddr8 blue dot can readily be used in conjunction with the ds9490r to create an ibutton pc reader. The usb9097 is fully supported by owfs as a ds9097utype serial bus master, with a usb serial port. Ds9490b datasheet ds9490 usb to 1wireibutton adapter. Many microcontrollers have usb device controllers these days, too. If you know the manufacturer of your device, you can visit its website and check the support section for driver software. Readytouse adapter ds9490 is available from maxim it available at reasonable price, but since i had piece of ds2490 lingering in the drawer ive made simple singlesided eagle pcb for it. Driver software installation installing device driver software unidentified device failed andor. Other files installed include application programming interface api library. Attaching the ds1402ddr8 blue dot receptor to the rj11 connector is a popular way to interface a pc to a 1wire network comprised of. The ds9490r adapter is based on the ds2490 usb to 1wire bridge chip. Also known as the tmex runtime environment rte, the 1wire drivers installation program performs a comprehensive install of all 1wire adapter drivers. Windows encountered a problem installing the driver software for your device.
The current release of 1wire drivers supports microsoft 32bit windows. Ds9490, ds9490b, ds9490r usb to 1wireibutton adapter online from elcodis, view and download ds9490 pdf datasheet, diodes, rectifiers. The ds9490r connects to the usb port and then the ds1402ddr8 connects to the ds9490 through an rj11 connection. The 1wire protocol is not difficult to implement, there are many examples available. It appears as virtual com port vcp and it is based on the ft232rl usbuart converter and ds2480b dallasmaxim rs232one wire converter. The 1 wire public domain kit enables the developer to create a 1 wire master in software that can identify and communicate with slave devices. Ds9490r maxim programmer usb 1 wireibutton adapter. The companys web descriptions are not only badly phrased, they. When you want to modify the function of the pedal, you can use the following software to do it. The ds9490r is a usb bridge with 1wire rj11 interface to accommodate 1wire receptacles and networks. Software and drivers for windows usb 1wire adapter two well made temperature sensors, on separate 1.
Usb host adapter for 1wire network using winusb this operation returned because the timeout period expired. The easiest option for a 1wire software developer is to use the installation program created by maxim. It has selectable rc filter for improving communication for lines between 1 and 100 meters and esd line protection. Text in bold and underlined refers to items from the windows operating system. Ds9490 usb to 1wireibutton adapter maxim integrated. The two sockets on the adapter, yellow and green, are just alternates. Based on the ds2480b 1wire serial i know, it connects to usb interface. The ds9490r is designed to connect multiple 1wireibutton devices to a pc or handheld through its rj11 connector.
This adaptor connects your 1wire network to your computer. Made by rding tech china, the bus master and associated devices use a different wiring system. It is advisable to connect the usb end of the adapter to a free usb port after the installation of the software drivers has completed see the softwareinstallation section. The 1 wire protocol is a single wire andground network with one master and one or more slave devices such as i buttons and 1 wire chips. The way 1wire usb adapter specifically, the ds9490r or ds9490b enumeration occurs is a bit different from other 1wire adapters as some tmex usb port numbers are reserved. The ds9490r is a usb bridge with 1wire rj11 interface to accommodate wire 1receptacles and networks. There are many uses for the ds9490, such as a key for security systems, a way to download ibutton data, and much more. The ibutton is securely held behind a latched door. Its based on the ds2490 usbto1wire bridge chip that enables communication between a usb host system and a 1wire bus. The ds9490r is designed to connect multiple 1wire ibutton devices to a pc or handheld through its rj11 connector. It is compaitable with ds9097u of maximdallas with the difference this. It provides regular, overdrive, and flexible 1wire communication speeds and a full speed 12mbps connection to usb. For a list of suitable 1wire network cables, refer to the connectivity matrix table in the ds1402x 1wire network cables data sheet. Usb to one wire interface adaptor, converter, thermometer.
It allows setup a mission, download logger, analyse logs, export data and generate reports. The ds9490 series is a uniquely designed usb bridge and holder for a single f5size ibutton, with a highspeed 12 mbps usb interface, which supports standard and overdrive 1wire communications. The examplevi reading several 1wire probes via a serial or usb adapter. The 1wire drivers installation package contains the necessary drivers and support libraries for each of the 1wire adapters available from dallas semiconductor maxim, including the new 1wire usb adapters ds9490. Serial port temperature sensors usb hardware interface. Maxim design support technical documents application.
There are many uses for this product, such as a key for security systems, a single data logger, and much more. We offer two 1wire usb port adapters, the ds9490r and the ds9490b, both of which connect to any standard universal serial bus usb port. What im looking for is to connect a ds9490r via usb and readwrite the data of a connected teds have to be used to readwrite individual sensor identification. Connect a rj 11 fitting cable into the ds9490r to connect to ibuttons or other sensorsloggers.
Both adapters are based on the ds2490 usbto1wire bridge chip. I can communicate with the ds2490 using usb standard requests, but im having a hard time getting data from the device attached to the ds2490 i. They emulate a the ds9097 1wire adapter, and work well for interfacing to 1wire devices behaving exactly the same as the serial port interface circuit. The ds9490r is a usb connecting front with rj 11 attachment. Slewratecontrolled 1wire timing and active pullup for. Attaching the ds1402ddr8 blue dot receptor to the rj11 connector is a. Pc software drivers for windows 98, windows 2000, windows me, and windows xp can be found at maxim integrateds website. Pc software drivers for windows can be found on the maximdallas website. The ds9090k comes standard with a usbto1wire adapter ds9490r. Pc software drivers for windows 98, windows 2000, windows me, and windows xp can be. In addition to native 1wire master support, it also supports the ds9097u serial adapter and ds9490 usb adapter through crossplatform libraries. The figure 1 flowchart steps through the decisions that ensure optimal use of the kit. Includes several features to ease the daily operation of the loggers, such as. Notes on pc software drivers can be found in our download section.
A uart will give you serial connection youll need a driver like max232 to connect to a real serial port. Free software drivers for windowsbased pcs can be downloaded from. The ds9490r usb port adapter and the ds1402ddr8 blue dot receptor connect to any standard universal serial bus usb port. Usb vendor specific commands defined in this specification. I have installed and run the tmexdlls and also tried the. For a list of suitable 1wire network cables, refer to the.