Kantronics KAM 98, Руководство пользователя

Страница: 228 / 384

a fixed length pause between pulses) or a single long (about 1.5 second)
ON/OFF pulse. For details on the CTRL command, see the Command
Reference.
+ You can also use the ANALOG and/or CTRL commands, without the REMOTE
command, to carry out sensing and control functions at a local Kantronics TNC.
The following diagram illustrates the use of two Kantronics TNC/radio stations
for remote control and sensing. These operations could be carried out manually
or via a terminal program running in the computer in the central TNC station.
As noted earlier, the Command Reference sections and sections of pin assigments
provide details needed to adapt these broad capacities to your own situation, with
your own sensors, controls, and remote locations.
Packet Modes of Operation Other Modes of Operation
User’s Guide 210 KAM’98 v 8.3
Pum p
Dra in
Too Full
Full
Pre ssure
Se nsor
(for le ve l
of liq uid )
LIQUID
Tank
Ce ntra l
Ka ntronic s
TNC Ba se d
Sta tion
Re m ote
Ka ntronic s
TNC Ba se d
Sta tion
Remote Sensing and Control
OPERATING RULES for c ontrolling the le ve l of the liq uid :
1. If the le ve l is "low" or le ss, turn the Pum p ON.
2. If the le ve l is "full" or m ore, turn the Pum p OFF.
3. If the le ve l is "too full" or m ore, OPEN the Dra in.
4. If the le ve l is "full" or le ss, CLOSE the Dra in.
ra d io
c onne c tion
b e twe e n TNCs
Control line 1 (ON/OFF)
Control line 2 (OPEN/CLOSE)
A/D
n li 1 se sor ne
Exa m p le : c ontrolling the le ve l of liq uid in a ta nk
Low