Serial Command Language
This section is designed for the use of programmers and advanced users.
The instructions listed in table 4, describe some of the basic and more
frequently used configuration options. It illustrates how to implement them
using the Stick Reader Serial Command Language in conjunction with
HyperTerminal®. The Command Language method uses upper and lower
case alpha characters combined with hexadecimal characters to establish the
Reader‟s configuration. The most common commands are listed in Table 6
Table 4 - Frequently used command language characters
The reader's current settings are sent in command
language format
Configures the ID code serial data format
Sets serial data communication parameters
Sets the miscellaneous options
Resends the last tag read
Initiates reading (the Stick Reader must already be
powered up)
Retrieves all the ID codes stored in memory
Sets ID code memory options
Clears the ID code memory
Retrieves the list of valid command language
characters
Note: For commands followed by “n” (hexadecimal characters), the user
must press the {Enter} key on the PC after entering all the command
characters. {Enter} does not need to be pressed for single letter commands,
except as indicated in table 1.
Stick Reader Power Supply
Power Source Requirements
The RS320 Stick Reader contains a rechargeable and removable 9.6 VDC
NiMH Battery Pack, which serves as its primary power source. Alternately,
the RS320 can be powered ;-
From its external AC Adapter/Charger (Via the serial cable),
Via the battery back up cable (with the alligator clips) in conjunction
with any external DC power source rated at12 Volts DC with at least
a 1.1 amp current capability.
By connecting to older model battery packs (PW50 and PW250) that
were used with the Grey (RS250) Allflex stick reader.
Special Notes Regarding Power Requirements
The older RS250 (Grey) stick readers can be powered by connecting
directly to some weigh scale heads (without the battery pack). The RS320
(Yellow) requires a higher voltage level than most scales produce and hence
cannot be used in the same manner, unless the scale head is externally
powered from a car battery, or AC charger. Otherwise, the yellow reader
must have it‟s own charged battery inserted.
Internal 9.6 VDC Battery Pack - Prior to operating the RS320 Stick
Reader from its internal Battery Pack, the Battery Pack must be charged.
This can be accomplished by either of two methods: (1) install the Battery
Pack into the Stick Reader, attach the Data/Power Cable, and connect the
AC Adapter to the DC input jack located on the DB9 connector, or (2)
install the Battery Pack into the Allflex Model AK320 Fast Charger. (Not in
Standard Kits – Supplied in Pro Kits, or sold as a separate option)
Note 1 - Battery Pack charging using the AC Adapter/Charger
applies a slow-charge, which requires approximately 12 hours to
complete. During this slow-charge cycle, the Stick Reader can be
simultaneously operated from the AC Adapter. The AK320 Fast
Charger provides 2 hour charging of up to 3 Battery Packs, simultaneously.
Note 2 - The RS320 Stick Reader is designed to operate only with
the Battery Pack provided. The RS320 will not operate with
individual battery cells of either disposable or rechargeable variety.
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