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Chapter 5 Commands
Default Settings
The MPRX is delivered from the factory with specified default settings that determine how the reader
operates. Commands transmitted by the host device can change the default settings and control
additional features. The commands can be transmitted by manually entering the commands at the host
keyboard if the host is in terminal emulation mode. The MPRX can also communicate with ASCII terminals.
Operating Modes
The MPRX has three modes of operation: Data, Command, and Download. The software for the MPRX
contains two separate programs — Boot and Application. The Boot program has control of the MPRX on
startup and when operating in download mode. The Application program has control of the MPRX during
data mode and command mode operation and holds the application code. Together, they control the
MPRX in the three modes of operation.
Data Mode
The MPRX is in the data mode upon power-up. While in the data mode, the MPRX sends all
communications, such as tag IDs and reports, as data messages to the host device. Reports provide
information on input status changes (input 0 and input 1), a presence without tag report, and buffer overflow
information. When MPRX mode has been enabled
(#837)
and while the MPRX is in data mode, the host
device can send the following commands the MPRX:
#01
changes the MPRX from the data mode to the command mode.
#440
provides a one-time reset of all tag uniqueness timers at which point the previously set
timeout interval resumes.
#8110
turns on RF port 0 and sends the command on Ctag pin 0 to fire off Ctag address 0.
#8111
turns on RF port 1 and sends the command on Ctag pin 0 to fire off Ctag address 1.
#8112
turns on RF port 2 and sends the command on Ctag pin 1 to fire off Ctag address 0.
#8113
turns on RF port 3 and sends the command on Ctag pin 1 to fire off Ctag address 1.
#8150
sets the check tag address to 0 on check tag pin 0.
#8151
sets the check tag address to 1 on check tag pin 0.
#8152
sets the check tag address to 0 on check tag pin 1.
#8153
sets the check tag address to 1 on check tag pin 1.
Note:
The MPRX transmits ID codes to the host device when the MPRX is in data mode.
MPRX User Guide
TransCore Proprietary
5–56
Содержание MPRX 10-7200-001
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