Campbell CR310 User Manual

also ground the system through the building plumbing, or use another verified connection to
earth ground.
See also:
l
Ground loops(p. 184)
l
Minimizing ground potential differences(p. 190)
5.4 Communications ports
The data logger is equipped with ports that allow communications with other devices and
networks, such as:
l
Computers
l
Smart sensors
l
Modbus and DNP3 networks
l
Ethernet (CR310)
l
Modems
l
Campbell Scientific PakBus® networks
l
Other Campbell Scientific data loggers
Campbell Scientific data logger communications ports include:
l
RS-232
l
USB Device
l
Ethernet
l
C terminals
5.4.1 USB device port
The USB device port supports communicating with a computer through data logger support
software or through virtual Ethernet (RNDIS), and provides 5 VDC power to the data logger
(powering through the USB port has limitations - details are available in the specifications). The
data logger USB device port does not support USBflash or thumb drives. Although the USB
connection supplies 5 V power, a 12 VDC battery will be needed for field deployment.
5.4.2 Ethernet port
The RJ45 10/100 Ethernet port is used for IP communications.(CR310 only.)
5. Wiring panel and terminal functions14

Campbell CR310 Specifications

General

Brand	Campbell
Model	CR310
Category	Data Loggers
Language	English