17394 USB转9针公头RS-232接口线缆

概览

17394是一个六英尺的接口电缆：一端为USB接头，另一端为9针公头RS-232 D形接头。USB接头可连接到PC的USB端口。 RS-232接头连接到数据采集器的RS-232端口或其他外设，例如：MD485多子站调制解调器或RF401系列射频电台。另外，RS-232接口还可以连接到SC32B接口，后者通过一根SC12线缆连接到数据采集器的CS I/O端口。

  • 2013年2月20日之后出厂的17394线缆，使用FTDI的芯片组，并在外观上都是黑色的。线缆附带的光盘里有相应的驱动程序。
  • 2013年2月20日之前出厂的17394缆，使用Prolific芯片组，并有一个清楚的金属外观。从支持栏可下载线缆的驱动程序。

图像

技术说明

  • Cables that shipped after February 20, 2013 use the FTDI chip set and are all black in appearance. Drivers are on a disk shipped with the cable.
  • Cables that shipped before February 20, 2013 use the Prolific chip set and have a clear and metallic appearance. Drivers are downloadable from the Downloads section.

产品规格

Cable Diameter 4 mm (0.2 in.)
Cable Length 2 m (6 ft)
Dimensions
  • 6.6 x 4.0 x 2.3 cm (2.75 x 1.7 x 0.9 in.) for 9-pin connector
  • 5.5 x 1.6 x 0.9 cm (2.17 x 0.7 x 0.4 in.) for USB connector
Weight 73 g (2.6 oz)

兼容性

Computer Operating Systems

  • Cables that shipped after February 20, 2013 use the FTDI chip set and are all black in appearance. These cables are compatible with Windows XP, Vista, 7, 8, 10, and Mac OS X.
  • Cables that shipped before February 20, 2013 use the Prolific chip set and have a clear and metallic appearance. These cables are NOT compatible with Windows 8 and above.

Devices

The 17394 is compatible with any device that has an RS-232 port. It can also connect to the data logger's CS I/O port via the SC32B interface, and connect to some peripherals via the SC532A interface.

相关技术文档

下载

USB to Serial Driver (FTDI Chip Set) v.2.12.36.4 (2.15 MB) 08-07-2021

This driver is for the CB-FTDI USB to Serial cable (CSI Part# 17394 - Black Cable). Support is for Windows XP/Vista/7/8/10/11 32 & 64 bit.  This driver is not compatible with the SC-USB Interface.

Note: Install the driver before plugging the cable into your computer.  Once the driver has been installed, plug the cable into the computer to finish the installation.

Retired - USB to Serial Driver (Prolific Chip Set) (7.98 MB) 21-09-2012

This driver is for the SBT-USC6K USB to Serial cable (CSI Part# 17394 - Silver Cable). Support is for Windows XP/Vista/7.  This driver is not compatible with Windows 8 and above or the SC-USB Interface.

Note: Install the driver before plugging the cable into your computer.  Once the driver has been installed, plug the cable into the computer to finish the installation.

常见问题解答

17394: 6

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  1. What is the pin connection between USB and DB9 (RS-232) connectors?

    A USB-to-serial cable has electronic components in it to interface the USB to the RS-232. There is no pin correlation between USB and DB9.

  2. Is a 17394 connected to an SC32B basically the same as an SC-USB?

    The combination of the USB to serial (17394) and the SC32B is basically the same as the SC-USB. Both options enable communication between a computer and a data logger with a CS I/O port.

  3. How do the 17934, the SC32B, the SC929, and the SC-USB compare?

    See the table for a detailed comparison:

     

     17394
     USB-serial  cable

     SC32B

     SC929

     SC-USB

     Useful for  Connecting

     PC USB port to  data logger RS-  232 port

     Data logger CS  I/O  port to laptop  COM  port

     Data logger CS  I/O  port to laptop  COM  port

     Data logger CS  I/O  port to PC  USB  port

     Connectors

     USB A male –  9-pin male

     9-pin male – 9-pin  female

     9-pin male – 9-pin  female

     USB B female –  9-pin male

     Length

     6 ft

     3 in.

     6 ft

    		  1.6 in.

     Power  Consumption

     N/A

     Active <200 a="" --200--="">

     8 mA continuous

     Active <20 ma="" --20--="">

     Optically  Isolated

     No

     Yes

     No

     Yes

     Operating  Temperature

     N/A

     -25° to +50°C

     -25° to +50°C

     -25° to +50°C

     Maximum Data  Transfer Rate

     1 Mbps USB

     115200 bps

    9600 bps

     1 Mbps USB
  4. 通讯是如何成功通过数据采集器的 CS I/O 端口的？

    通过数据采集器的 CS I/O 端口进行通讯，要求一个接口设备把计算机的 RS-232 电平转换成数据采集器所使用 CMOS 电平。通常这样接口是 SC32B。SC32B 通过一根 SC12线缆或串口线缆连接到数据采集器的 CS I/O 端口，并通过一根串口线缆连接到计算机的9-针串口。当计算机自身不含有串口时，可使用一根9-针 串口转USB 线缆，例如 pn 17394，能够与 SC32B 搭配使用。或者，也可使用 SC-USB 通讯接口，而不是 SC32B。

  5. What might cause error messages such as “transaction failure” and “unreachable destination” when trying to connect a data logger and a PC using a serial or USB to RS-232 cable?

    Some possible causes include the following:

    • The result of a hardware condition in the data logger or the port driver
    • Incorrect USB drivers (Even if the correct drivers have been successfully installed, the errors may still be related to the cable.)
      • Note: Not all USB-to-serial cables are the same. Although any USB to RS-232 cable should work with the appropriate drivers, there is a better chance of success using the USB to RS-232 cables sold by Campbell Scientific. Cables that are not purchased from Campbell Scientific have not been tested and may result in errors when connecting to a data logger. Furthermore, USB-to-serial cables with the FTDI chipset are easier to use and seem to perform better than cables with the Prolific chipset.
    • Power supply or grounding issues on the data logger
    • The port configuration of the data logger (If the data logger RS-232 port is configured at a fixed baud rate other than 115200, it might cause the error messages.)

    The Device Configuration Utility, under its Unknown device type, has an Identify Logger Type button. This button will attempt to identify the device type, protocol, or both used for the data logger and will attempt to do so at various baud rates. If the data logger is synchronized with a different baud rate or is set up at a fixed baud rate, this feature may provide the means of determining what baud rate should be used for successful communication. 

  6. If a computer does not have any serial ports, how can software (such as LoggerNet, PC400, PC200W, or Device Configuration Utility) talk to the data logger?

    Many of our more recent data loggers have a Micro B USB port. Simply use a Type A to Micro B, male-to-male cable. Although any USB cable, with the correct connectors and drivers, should work, there is a better chance of success using a cable supplied by Campbell Scientific.

    For data loggers with an RS-232 port, only a serial or USB to RS-232 cable (sometimes called a USB-to-serial-adapter cable) is needed. Although any USB to RS-232 cable should work with the appropriate drivers, there is a better chance of success using the USB to RS-232 cables sold by Campbell Scientific.

    There are several options for data loggers that don’t have an RS-232 port but have a CSI/O port:

    1. Use the SC-USB connector/interface instead of the SC32B.
    2. Use the SC32B with a 17394, USB-to-9-pin male RS-232 cable.
    3. Use a user-supplied USB interface with the SC32B.

    For data loggers with a CSI/O and RS-232 or USB port, it is not necessary to use the SC32B unless there is another device connected to the RS-232 port or there are concerns about low-level noise from a permanently connected, ac-powered computer.

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