15
Connecting Communication Cable
High voltage MAY BE PRESENT. Risk of electric shock. Life threatening voltages may be present.
Qualified personnel only.
Haute tension peut être présente. Risque de choc électrique. Tensions dangereuses peuvent
être présentes. Personnel qualifié uniquement.
Communication between a Power Patrol meter and a logger or computer is established with an USB
cable, a serial RS-485 adapter or an Ethernet connection. A serial connection (RS-485) is limited in speed
while a parallel connection (Ethernet) or USB connection is much faster.
NOTE:
Configuration of Power Patrol meter can be completed prior to field installation by powering
device via computer and USB cable using HeadStart software.
C
ONNECTING VIA A
USB
C
ABLE
Connect one end of USB cable into the Power Patrol and the other end into your computer. To begin
communicating via an USB cable you must first set it up with HeadStart Software. See
USB Connection
in
the
Communicating with a Power Patrol Meter
section.
C
ONNECTING VIA A
RS-485
A
DAPTER
To complete the connection between the Power Patrol meter and the computer, the three wires coming
from the RS-485 adapter are plugged into the Power Patrol.
Insert each white ferrule into the appropriate RS-485 connection on the Power Patrol. The red wire
inserts in (+), the black wire in (-) and the green wire in GND, Figure II-1.
Verify that the dip switches on the back of the RS-485 adapter are set to: RS-485, Echo Off, 2 Wire, 2
Wire as shown in Figure II-2.
The adapter is ready to be connected to the Power Patrol meter.
Figure II-2: Dip switches on back
of RS-485 Adapter
Figure II-1: RS-485 Adapter
