Description
The 900 Series USB Converter is a communication port interface for 900 series vacuum transducers. It
provides easy access to the digital interface and features full auto detection of baud rate and address of the
attached transducer. Communication with the transducer is achieved through the 900 Series USB Converter
communication port which emulates a standard serial communication port on the host system.
The 900 Series USB Converter can be used with the following transducers:
901P, 902, 910, 921, 922, 925, 925C, 971, 972, 973 and 974.
USB Converter overview
The 900 Series USB Converter is equipped with three set point relay status LEDs. The LEDs illuminate when
the corresponding relay is set.
If the connected transducer is without mechanical relays (and only has set points via the digital
interface), the set point diodes will not illuminate.
The status LED indicates the status of the communication with the attached transducer.
Red
No transducer connected.
Green
Contact with transducer established.
Green, flashing
Data is being sent to / received from the transducer.
The USB port can be connected to both USB1.1 and USB2.0 ports with the supplied cable. It is, however, a
native USB2.0 Full Speed device (12MBps).
