Hach AquaTrend 51200, Instrument Manual

Page: 17 / 94

Page 17
51350-18 Aquatrend Interface Network.fm
Aquatrend
®
Interface Network
Section 2 Aquatrend
®
Interface Network
2.1 Network Description
This section describes requirements and options for setting up the AquaTrend
Interface Network System. A “network” is the connection of one or more
devices (of which at least one is a sensor) to a Master AquaTrend Interface.
This Master AquaTrend Interface serves as the network control panel.
Devices can include Signal Output Modules (SOM), Digital Display Modules
(DDM), Serial I/O Modules (SIO), Remote AquaTrend Interfaces and
Portable AquaTrend Interfaces.
Figure 6 shows an example of a single-sensor AquaTrend Interface Network
System. An example of a multi-sensor system is shown in Figure 7 .
Figure 6 Single-Sensor AquaTrend Interface Network
Each sensor (i.e., the 1720D Turbidimeter) manual provides instructions for
setup of the single-sensor network. Each of the other device manuals,
(AquaTrend/SOM, AquaTrend Interface, Digital Display Module, Serial I/O
Module, Signal Input Module and Signal Output Module) provides setup
instructions for their components.
Section 2.3 describes the maximum
number of devices that can be managed by one Master AquaTrend Interface
on a system.
EXIT
ENTER MENU
DISPLAY
EXIT
ENTE
R
MEN
U
DISP
LAY
Power Supply 12V DC
Network Connection Module
DIGITAL
DISPLAY MODULE
CONFIGURE
ON
OFF
1720D
AC Power
4-20mA Outputs
RS232 Computer or Printer Interface
Relays
115 / 230 VAC
Power In
Either the DDM or the
Portable AquaTrend
Customer Supplied
ON/OFF Switch
Spare -
open for
expansion