ACR1281U-C1 – Application Programming Interface
Version 1.08
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VB_Value
(4 bytes)
The value used for manipulation. The value is a signed long integer.
Example 1:
Decimal - 4 = { FF FF FF FCh }
VB_Value
MSB
LSB
FFh
FFh
FFh
FCh
Example 2:
Decimal 1 = { 00 00 00 01h }
VB_Value
MSB
LSB
00h
00h
00h
01h
Response
Response
Data Out
Result
SW1
SW2
Where:
SW1 SW2
= 90 00h means the operation is completed successfully.
= 63 00h means the operation failed.
5.2.4.3.5. Read value block
This command retrieves the value from the value block. This command is only valid for value blocks.
Command
Command
Class INS
P1
P2
Le
Read Value Block
FFh
B1h 00h
Block Number
00h
Where:
Block Number
(1 byte)
The value block to be accessed.