ADS Environmental Services Model 3600 530002 A2 - Manual (Page 17)

2-2 ADS 3600 Flow Monitor O&M Manual
Note: The depth board and velocity boards are also called the input/output
(I/O) boards.
Opening the lid of the monitor and removing the lid assembly reveals the one-piece
chassis. The processor board is mounted to the chassis on the bottom of one side.
Two Doppler velocity boards are mounted on top of the processor board. The depth
board is mounted to the other side of the chassis' frame. The IS modem is located on
the power supply board which is mounted on top of the depth board. The processing,
depth, and velocity boards are connected with a ten-conductor ribbon cable.
A 9 V battery pack is attached to the bottom of the chassis. Cabling connects the
battery pack to the power supply board. The bottom of the housing is sealed.
Connectors for the following cables are installed on the lid of the canister:
z the ultrasonic depth sensor cable,
z the Doppler velocity sensor cable,
z the pressure depth sensor cable,
z the communications cable,
z the rain gauge cable, and
z the sampler cable.
The monitor can be sealed after the lid assembly is securely placed in the monitor.
To learn about: See page:
Major Components of the QS3600 Monitor ......................................... 2-3
Processor Board............................................................................. 2-3
Sensor Interface Boards ................................................................. 2-5
Flow Sensors.................................................................................. 2-5
Battery Pack................................................................................... 2-5
IS Modem and Telephone Interface Box......................................... 2-6
External Modem Unit ..................................................................... 2-7
Data Access Arrangement ............................................................ 2-10