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Appendix 3
The buffer memory is used to exchange data between the RFID interface module and the CPU module. The buffer memory
content returns to its default (initial value) when the CPU module is powered off or is reset.
List of buffer memory addresses
The following table lists the buffer memory addresses of RFID interface module.
Address (decimal)
CH1
CH2
Un\G0
Un\G4000
Un\G1
Un\G4001
Un\G2
Un\G4002
Un\G3
Un\G4003
Un\G4
Un\G4004
Un\G5
Un\G4005
Un\G6 to Un\G9
Un\G4006 to
Un\G4009
Un\G10
Un\G4010
Un\G11
Un\G4011
Un\G12 to
Un\G4012 to
Un\G39
Un\G4039
Un\G40
Un\G4040
Un\G41
Un\G4041
Un\G42
Un\G4042
Un\G43 to
Un\G4043 to
Un\G89
Un\G4089
Un\G90 to
Un\G4090 to
Un\G93
Un\G4093
Un\G94 to
Un\G4094 to
Un\G99
Un\G4099
Un\G100 to
Un\G4100 to
Un\G1123
Un\G5123
Un\G8000
Un\G8001
Un\G8002
*1 Regardless of the setting in Processing specification area (Un\G2, Un\G4002), the data storage order does not change.
*2 The value varies with the setting of module parameters. ( Page 34 Basic Setting)
Do not use the buffer memory of system area. Doing so can cause abnormal operation.
APPX
126
Appendix 3 Buffer Memory
Buffer Memory
Name
Command code specification area
Communication specification area
Processing specification area
Head address specification area
No. of processing points specification area
Command option specification area
System area
Auto command wait time setting area
Processing result monitor switch setting area
System area
Module status storage area
Error details storage area
Processing result monitor storage area
System area
RF tag UID storage area (8 bytes)
System area
Data storage area (2048 bytes)
Test operation mode specification area
Test operation antenna specification area
No. of processing points during testing
specification area
Initial
Read,
value
write
0
Read,
write
0
Read,
write
0
Read,
write
0
Read,
write
0
Read,
write
0
Read,
write
0
Read,
write
0
Read,
write
0
Read
0
Read
0
Read
*1
0
Read
0
Read,
write
0
Read,
write
*2
0
Read,
write
*2
0
Read,
write
Reference
Page 127 Command code specification
area (Un\G0, Un\G4000)
Page 127 Communication specification
area (Un\G1, Un\G4001)
Page 128 Processing specification area
(Un\G2, Un\G4002)
Page 128 Head address specification
area (Un\G3, Un\G4003)
Page 129 No. of processing points
specification area (Un\G4, Un\G4004)
Page 129 Command option specification
area (Un\G5, Un\G4005)
Page 129 Auto command wait time
setting area (Un\G10, Un\G4010)
Page 129 Processing result monitor
switch setting area (Un\G11, Un\G4011)
Page 129 Module status storage area
(Un\G40, Un\G4040)
Page 130 Error details storage area
(Un\G41, Un\G4041)
Page 131 Processing result monitor
storage area (Un\G42, Un\G4042)
Page 131 RF tag UID storage area
(Un\G90 to Un\G93, Un\G4090 to
Un\G4093)
Page 131 Data storage area (Un\G100 to
Un\G1123, Un\G4100 to Un\G5123)
Page 132 Test operation mode
specification area (Un\G8000)
Page 132 Test operation antenna
specification area (Un\G8001)
Page 132 No. of processing points during
testing specification area (Un\G8002)
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