1 stand-alone device, Stand-alone device – Campbell Scientific AL200 ALERT2 Encoder, Modulator, and Sensor Interface User Manual
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AL200 ALERT2 Encoder, Modulator, and Sensor Interface
3. Under
Device Type, select AL200.
4. Click the browse button next to
Communication Port and select the port
associated with the AL200.
5. Click
OK.
6. Click
Connect.
7. Specify the settings on each tab as described below for the desired mode.
When a value is shown in parentheses next to a setting, it is the
default values that should work in most cases. Do not change
these values, unless you are certain a change is required.
7.1.1 Stand-alone Device
Main
•
Set the
Operation Mode to Sensor Input Enabled (CS I/O
Disabled), ALERT Concentration on RS-232.
ComPort
These settings have no effect in stand-alone mode.
ALERT2
These settings will be unique to a particular station and to your network.
•
Set the
Station Source Address – This is a station ID number that
must be unique within the network. This is an integer between 0 and
65,501. A database of source addresses can be found at
•
Set the
Frame Length – This is the total amount of time that all of the
stations in the network will report in. This is an integer with a
resolution of 500 ms between 500 and 43,200,000 (12 hours).
•
Set the
Slot Length – This is the maximum amount of time within the
frame that the station can report. It is an integer value between 500
and a maximum of the
Frame Length.
•
Set the
Slot Offset – This is the amount of time into the frame that the
slot will occupy. For example, if your frame is 120,000 ms (2
minutes) and your slot offset is 60,000 ms, the slot time will begin 1
minute after the beginning of the frame.
•
Set the
Hop Limit – (None) – This is the maximum number of times a
remote transmission can be retransmitted by repeaters.
•
Set the
Path Service Enabled – (No) – When enabled, each device
that repeats a remote transmission will add its source address to the
NOTE
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