4.2
Bottom Terminal Plate
The main wiring and control of the Ai1 is via the terminal plate at the
bottom of the system, protected behind a clear acrylic plate with an o-ring
seal. Cable entry can be via the clear plate or via glands inside the side of
the housing (as shown in the image to the right), depending on the
application. It is recommended to use the clear acrylic plate if practical as
these are available as replacement spare parts should the wiring and cable
entry need to be changed.
The schematic of the terminal plate is as shown below.
Figure 7 - Terminal Plate Schematic
4.2.1
USB Port
It is possible to power the Ai1 using the USB port to allow easy configuration, program and firmware uploads and
basic operation. While powered from the USB port alone, some functionality may be limited. USB power does not
power the communications system, or the Vout port, and voltage from Ex1 and Ex2 are limited to 2.5V
approximately. On models with internal batteries, these do not charge from USB power. The free application
DevConfig is used for configuring the station and is available for download from here:
Refer to DevConfig help for connection instructions, following the steps shown below to establish a connection.