National Instruments GPIB-RS485 GPIB Instrument Control Device

The NI GPIB-RS485 (Part Numbers: 779733-11, 779733-01, 779733-04, 779733-12, and 779733-02) is a GPIB Instrument Control Device. This device is designed for computers with working serial ports: RS485 or RS422. The NI GPIB-RS485 comes with the capability to transform the user’s computer into a controller, listener. Moreover, the GPIB RS485 can also align RS422 and RS485 peripherals and instruments to the GPIB (general purpose interface bus).

With this model, the user can implement and satisfy the electrical and physical specifications of the IEEE RS422, RS485, and RS488 standards. In addition, GPIB-to-serial and serial-to-GPIB protocol conversions and high-level commands execution are possible with this IEEE 488 compatible device. The National Instruments GPIB-RS485 is used with the National Instruments NI-488.2 driver. Thus, the user can enjoy maximum reliability while connecting to third-party devices and instruments over the GPIB.

This controller and converter device comes with a standard 24-pin GPIB connector, one DB-9 male RS232 connector, and one DB-9 male RS485/RS422 connector. For receiving DC power to operate, a coaxial plug is also provided on the back of the device. For GPIB communications, the NI GPIB-RS485 utilizes 3-wire signaling. However, in RS232 and RS485 serial communications the user can achieve up to 115.2 kb/s baud rates.

This GPIB Instrument Control Device is offered with a 12 VDC power supply that operates over an input voltage range of 100 to 240 VAC (at 47 to 63 Hz) and outputs 12 VDC, 1.25 Ampere maximum for the instrument. At 12 VDC, the National Instruments GPIB-RS485 consume 300 mA.