User's Manual

Hi-G-Tek Ltd. Microelectronics & Asset Tracking Technology
5
System
74
5.6. System Commands.
5.6.1. LSC and Reader Messages.
Table 5.12: LSC Commands and Acknowledge Table:
# Commands Set Command
Code
Comments
1
Wakeup E0 h Wakes the Readers if they are in sleep mode.
2
Execute RF cmnd 20 h Generates an appropriate command from the
Reader to the tags.
3
Get Results 15 h Allows the LSC to retrieve the results
received by the Reader from the tags in the
event of a tag-reader session.
4
Get Status 16 h In the event of a self-contained command, the
Reader will return to its current status.
5
Get Burst Message 1C h This command should be used to retrieve the
alert messages received from the seals when
using the alert burst mode. Alert messages
originating from burst mode are not available
through the regular Get Results command.
6
Reset Reader 14 h Resets a Reader.
7
Write Parameters 06 h ModifiesReader PARAMETERS. Not all
parameters are accessible after the execution
of a LOCK command.
8
Read Parameters 07 h Reads Reader PARAMETERS.
9
BIT 09 h Built-in Execute test
10
Sleep 08 h Places the Reader in Sleep mode of
operation to save power.
11
Unsync Ack 0A h Reserved for unsynchronized responses, see
table 5.2
12
Get Reader’s baud
rate
FF h Allows the LSC to get the Reader’s baud rate.
13
Set Reader baud
rate
FE h Allows the LSC to set the Reader’s baud rate.
14
Set Reader’s
Address
12 h Sets Reader’s address for RS-485 usage
15
Acknowledge OK 92 h Acknowledgment of a message coming from
a Reader and to get the next packet.
16
Acknowledge
Failed
94 h Acknowledgment of an improper message
coming from a Reader.
17
Save Command 0F h Saves one of the above commands for later
execution. This command is used to
synchronize readers.
The following paragraph is a general description of the system
commands.
For a deeper insight see the following:
For low-level RS-485/232 users, see chapter 6.
For high-level DLL users refer to the DLL help file.