User Manual

Chapter 8 System Parameters and Comm ands
Hi-G-Tek Ltd. Micro electronics & Asset Tracking Technology - 231 -
the same as it would if these commands were executes normally one after
the other, but now that consumption is at a shorter period. However, in
times that there are no transmissions, the battery consumption is normal
(unlike the result of using a small Th w and Tw ).
Commands can also be adde d t o the Command Chain on t he go, when you
want to perform a command as a result of the response or responses that
you received in a previous command. For example, suppose that you want
to perform a Se t command to all the DataSeals that their User Parameter 1
contains the string "READY". You can do it by initiating a Command
Chain with only a broadcast Ve rif y command that asks for the User
Parameter 1 parameter, and after receiving the results and examining the
cont ent of the Use r P a rame te r 1 parameter, you add the Set command
with the list of Seal ID's of those DataSeals that their User Parameter 1
parameter contain the string "READY".
Note that all the DataSeals that receive the Reader Interrogation Header of
a Command Chain keep listening to all the commands, which consumes
battery as if these commands were executed one after the other. For
DataSeals that there are no command for them it means a waste of battery.
There are few things that you can do to avoid it:
1. Make sure that the DataSeals that should not receive the commands in
the Chain are either in Deep Sleep, but usually more appropriate, their
HF Disabled flag is on (for example by using the Slee p Duration
argument of t he Ve ri fy command).
2. If t here are Dat aSeals wit h different OrgIDs or Depart ment s, and you
want to turn only to one of them, you should turn on the OIDf flag in
the DataReader's SYS parameter.
3. If there are DataSeals with different ADIs, and want to turn only to a
specific group, you should turn on the ADIf flag in the DataReader's
SYS parameter.