Omron V780 Series User Manual page 247

SET RSSI FILTER CONDITIONS
 Function
This command sets the RSSI filter conditions for the Reader/Writer.
 Command Format
Byte-0 Byte-1
Transaction identi-
fier
X X
Byte-12 Byte-13
Byte
count
Enable/disable
06 hex 2 bytes
Parameter
Register address
Word count
Byte count
RSSI filter Enable/disable
conditions
High threshold
Low threshold
*1. When you disable the RSSI filter conditions, set the high and low thresholds to 0000 hex.
the RSSI filter, set the high threshold value for the RSSI filter condition to a higher value than the
low threshold level. Otherwise, a command parameter error will occur.
 Response Formats
• Normal Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Register address
Word count
• Error Response
Byte-0 Byte-1
Transaction identifier
X X
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 000D hex
Byte-14 Byte-15 Byte-16
RSSI filter conditions
High threshold
2 bytes
The register address (C600 hex) that specifies the RSSI filter conditions
The number of words in the RSSI filter conditions (0003 hex)
The number of bytes in the RSSI filter conditions (06 hex)
Specify whether the RSSI filter is enabled or disabled in
4-digits hexadecimal.
0000 hex: Disable
0001 hex: Enable
Specify the high threshold for the reception level in signed
*1
4-digit hexadecimal.
FFF6 to FFBA hex (0 or -70 to -10) [dBm]
Specify the low threshold for the reception level in signed
*1
4-digit hexadecimal.
FFF6 to FFBA hex (0 or -70 to -10) [dBm]
Byte-2 Byte-3 Byte-4 Byte-5
Protocol identifier Field length
0000 hex 0006 hex
The register address from the command is set.
The word count from the command is set.
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0003 hex
7 Modbus/TCP Communications
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 10 hex
Byte-17 Byte-18
Low threshold
2 bytes
Description
Byte-6 Byte-7
Unit Function
identifier code
FF hex 10 hex
Description
Byte-5 Byte-6 Byte-7
Unit iden- Function
tifier code
FF hex 90 hex
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
C600 hex 0003 hex
Default setting
0000 hex
0000 hex
0000 hex
When you enable
Byte-8 Byte-9 Byte-10 Byte-11
Register address Word count
C600 hex 0003 hex
Byte-8
Excep-
tion code
1 byte
7
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