Omron V780 Series User Manual page 249

GET RSSI FILTER CONDITIONS
 Function
This command is used to check the RSSI filter conditions that are set in the Reader/Writer.
 Command Format
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Register address
Word count
 Response Formats
• Normal Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Byte-9 Byte-10
Enable/disable
2 bytes
Parameter
Byte count
RSSI filter Enable/dis-
conditions able
High threshold
*1
Low threshold
*1
*1. If the RSSI filter conditions are disabled, the high and low threshold levels will always be 0000 hex.
• Error Response
Byte-0 Byte-1
Transaction identifier
X X
Parameter
Exception code
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0006 hex
The register address (C600 hex) that specifies reading the RSSI filter conditions
The number of words in the RSSI filter conditions to read (0003 hex)
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0009 hex
Byte-11 Byte-12 Byte-13
RSSI filter conditions
High threshold Low threshold
2 bytes 2 bytes
The number of bytes in the RSSI filter conditions (06 hex)
Gives whether the RSSI filter is enabled or disabled in 4-dig-
its hexadecimal.
0000 hex: Disable
0001 hex: Enable
Gives the RSSI high threshold level in signed 4-digit hexa-
decimal.
FFF6 to FFBA hex (0 or −70 to −10) [dBm]
Gives the RSSI low threshold level in signed 4-digit hexa-
decimal.
FFF6 to FFBA hex (0 or −70 to −10) [dBm]
Byte-2 Byte-3 Byte-4
Protocol identifier Field length
0000 hex 0003 hex
For details, refer to Exception Code on page 7-7 under 7-2-3 Response Format for
Error Completion on page 7-7.
7 Modbus/TCP Communications
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 03 hex
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 03 hex
Byte-14
Description
Byte-5 Byte-6 Byte-7
Unit iden- Function
tifier code
FF hex 83 hex
Description
Byte-8 Byte-9 Byte-10
Register address Word count
C600 hex 0003 hex
Byte-8
Byte
count
04 hex
Default setting
0000 hex
0000 hex
0000 hex
Byte-8
Excep-
tion code
1 byte
Byte-11
7
7 - 97