Table of Contents
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INSTALLATION
Connecting External Power
The PT2X comes with two 1.5V AA internal batteries.
If auxiliary power is desired, you can use a 6–16 VDC supply
that can provide 15 mA. Connect to Vaux++ (pin 1 - white)
and Ground (pin 5 - blue) or contact Seametrics for auxiliary
power supplies.
Connecting the PT2X to a Computer
Cabled sensors are terminated with a weather-resistant
connector. Cableless sensors are terminated with a weather-
resistant connector that is inside a screw-cap. Connect the
weather-resistant connector to your computer's USB port
as shown below.
Screw-
cap
Sensor
Cableless
Configuration
Connecting sensor to your computer using
Seametrics' USB to RS485 adapter.
Aqua4Plus 2.0 communicates with the sensor using the
USB to RS485 adapter cable. This cable requires drivers to
be installed on your computer. If you are connected to the
Internet when you first plug in the cable, it will normally
obtain and install the correct drivers automatically.
Alternate Connection Options
Seametrics recommends connecting the sensor to your
computer using the Seametrics USB cable. However, when
using Aqua4Plus 2.0, the sensor can also be connected
using an RS232 serial port or a USB-to-Serial cable, as
described below.
Seametrics • 253.872.0284
USB to RS485
Adapter
USB Port
PC or Laptop
Sensor
Computer
Connecting via RS232 Serial Port
Connect
the
weather-resistant
computer's serial port as shown below.
Screw-
cap
Sensor
Cableless
Configuration
Connecting sensor to your computer using
an RS485/RS232 adapter and an interface cable.
Connecting with a USB/Serial Adapter
USB-to-Serial cables are readily available from many
electronics and computer stores, as well as numerous sites
on the Internet. Seametrics has tested and recommends
the Keyspan USA-19HS. Install as follows:
•
Plug into USB port.
•
Install the drivers provided with the particular unit.
•
Once drivers are installed connect to sensor
Interface
Cable
Screw-
cap
Sensor
Cableless
Configuration
Connecting sensor to your computer using
a USB to Serial adapter and an interface cable.
Page 7
PT2X INSTRUCTIONS
connector
Interface Cable
RS485/RS232
Adapter
Serial Port
PC or Laptop
Sensor
Computer
USB-to-Serial
USB Port
Adapter
RS232/RS485
Adapter
PC or Laptop
Sensor
seametrics.com
to
your
Computer
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