Intermec Sabre 1555, Руководство программиста

Страница: 31 / 178

Operational Modes
3-3
3
This chapter presents information on the operational modes for the
Sabre 1555 RFID & Bar Code Reader.
The Sabre 1555 uses two operational modes to set up and control its options:
autonomous and interactive. The autonomous mode is discussed in this chapter. The
interactive mode is discussed in detail in Chapter 4, “Interactive Programming Mode,”
of this guide.
Autonomous Mode
You can choose certain setup options that control the Sabre 1555 by using the
Autonomous Mode features. You cannot use Autonomous Mode to modify all the
setup parameters of the Sabre 1555 (you must use either the EasySet configuration
software or setup mode commands (SMC) to access all of the setup options).
Table 3-1 lists each Autonomous Mode menu display, its associated option, and a
description of that feature/function.
The configurable RFID functions include Tag Identify, Tag Read, Tag Write and Tag
Filter. The Tag Read function allows the user to access information previously
programmed into the RFID tag storage locations, and then transmit that data to the
host system. The Tag Write function allows the user to program the RFID tag with
desired information. Tag Identify enables the user to determine how many tags are in
the read area of the 1555, and their unique tag IDs are read and can be transmitted to
the host system. At any given interrogation point in the customer’s RFID tracking
process, any single function or a combination of two or three functions may need to be
employed. Additionally, the customer may need to employ a “Filter” or “Mask” with
the primary RFID function in order to get the desired result. The Filter instructs the
1555 to locate only a desired subset from all the tags in the read area of the 1555, and
the Read, Write or Identify function will be performed only with that select subset.
The filter or mask functions are primarily used to speed the process of identification of
the select tags targeted for interaction with the reader. This speeds the transaction
because the filter function effectively eliminates tags that contain data not matching
the filter criteria included in the request from the reader. This takes advantage of a
function that has been specifically designed into the Intellitag® tag ASIC, which
inhibits the tag from participating in the tag sorting process unless data in the tag
matches the filter criteria included in the request from the reader.
Table 3-1 Autonomous Mode Options
Setup Screen Display Setup Menu Option Display Description
Quick Mode Select Barcode Read, Tag Identify, Tag
Read, Tag Write, Tag RW, Tag
Filter, Tag FR, Tag FW, Tag
FRW, Exit Defines which operating modes are available
with your Sabre 1555.