Intermec IV7 Basic Reader Interface Programmer's Reference Manual (BRI version - Page 117

Memory Bank 3 User Memory

Page 117 highlights

Chapter 4 - BRI Commands Memory Bank 3 User Memory For memory bank 3, if a non-zero ACCESS password has been written to a tag, you must specify an ACCESS password in the WRITE or PROTECT command in order to write or protect memory bank 3. If the correct password is not given, the commands will return a PVERR indicating that an invalid password has been given. The READ command can be performed without inputting a password. The example below illustrates writing the ACCESS password first, then performing the READ, WRITE, and PROTECT operations. WRITE HEX(0:4,4)=H11223344 WROK OK> READ HEX(3:0,4) PASSWORD=H11223344 H99001122 OK> READ HEX(3:0,4) PASSWORD=H55667788 PVERR OK> WRITE HEX(3:0,4)=HAABBCCDD PASSWORD=H11223344 WROK> OK> WRITE HEX(3:0,4)=HAABBCCDD PASSWORD=H55667788 PVERR OK> PROTECT OFF HEX(3:09,4) PASSWORD=H11223344 LCKOK OK> PROTECT ON HEX(3:0,4) PASSWORD=H55667788 PVERR OK> Basic Reader Interface Programmer Reference Manual 105

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Chapter 4 — BRI Commands
Basic Reader Interface Programmer Reference Manual
105
Memory Bank 3 User Memory
For memory bank 3, if a non-zero ACCESS password has been written to a tag, you
must specify an ACCESS password in the WRITE or PROTECT command in order
to write or protect memory bank 3. If the correct password is not given, the
commands will return a PVERR indicating that an invalid password has been given.
The READ command can be performed without inputting a password.
The example below illustrates writing the ACCESS password first, then performing
the READ, WRITE, and PROTECT operations.
WRITE HEX(0:4,4)=H11223344<CRLF>
WROK<CRLF>
OK>
READ HEX(3:0,4) PASSWORD=H11223344<CRLF>
H99001122<CRLF>
OK><CRLF>
READ HEX(3:0,4) PASSWORD=H55667788<CRLF>
PVERR<CRLF>
OK><CRLF>
WRITE HEX(3:0,4)=HAABBCCDD PASSWORD=H11223344<CRLF>
WROK><CRLF>
OK><CRLF>
WRITE HEX(3:0,4)=HAABBCCDD PASSWORD=H55667788<CRLF>
PVERR<CRLF>
OK><CRLF>
PROTECT OFF HEX(3:09,4) PASSWORD=H11223344<CRLF>
LCKOK<CRLF>
OK>
PROTECT ON HEX(3:0,4) PASSWORD=H55667788<CRLF>
PVERR<CRLF>
OK><CRLF>