Specifications

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SDK software development | VI-88R development handbook
{"22--Canada 902-928(Canada)", 42, 500, 902750},
//(22)
{"23--Indonesia 923-925(Indonesia)", 4, 500, 923250},
//(23)
{"24--New Zealand 921.5-928(New Zealand)", 11, 500, 922250},
//(24)
};
3.2.1.5 Function return code
When command execution fail, function returns error code. Common error
code:
Command
Function
00(00H)
Command success or detection correct
01(01H)
Antenna connection fail
02(02H)
Detect no tag
03(03H)
Illegal tag
04(04H) Read-write power not enough
05(05H) Read and write protection in the memory bank
06(06H) Checksum error
07(07H) Parameter error
08(08H)
Memory bank nonexistence
09(09H)
Password error
10(0AH)
Kill password is all zero
11(0BH)
When reader in auto mode, only receive AutoMode and
Reboot commands, other command is illegal
12(0CH)
Illegal user with unmatched password
13(0DH)
External RF interference
14 (0EH)
Tag with read protection
……
……
30(1EH)
Invalid command, such as wrong command
31(1FH)
Unknown command
32(20H) Other error
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