B+K precision 5490C Series, User Manual

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last returned character before receiving a query response.
9. For some commands that will take a long time to execute, for example reset command, the
controller should keep waiting to avoid the next command being lost when 5492C/5493C is
executing the previous command.
10. Communication software compiled with DOS application software should run under the pure DOS
environment supporting serial port. If it is running under WINDOWS, it may cause errors due to
different management methods of the serial port.
8.2 USB Interface
This instrument has a USB Device and USB Host port. USB Device serves as the communication
interface, that is, the instrument is used as a device. The USB interface on the front panel is used to
read the USB flash drive, the instrument is used as the host.
8.2.1 USB Device
The 5490C Series can communicate with a PC through the USBTMC protocol. This multimeter uses a
square type socket on the rear panel with the following pin sequence:
This unit uses a USB-B type interface, which can communicate via a standard square USB interface
cable. There are no settings in the menu system for USB configuration. The only requirement is that a
USBTMC driver is installed. A USBTMC driver is included with VISA software.
CAUTION: To avoid electrical shock, turn off the power supply when plugging or unplugging the
connector; do not short-circuit the output terminals or short-circuit with the chassis to avoid damage
to the device.
8.2.2 USB Host
The instrument acts as a host to read and write data in the U disk.
Press Menu
→
Utility
→
Manage Files to copy and paste files between the instrument and a connected
flash drive.
8.3 LAN Interface
You may need to set a few parameters to use the LAN interface to establish network communication.
First, you need to create an IP address. You may need the help of your network administrator during
the process of establishing communication with the LAN interface.