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7 Modbus/TCP Communications
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
7-
6 V780 Co
mm
and
Detail
s
7
7-6
-10 Maintenance Co
mmands: RF C
ommunications Information
Function
This command measures the ambient noise level around the Reader/Writer.
Command Format
Response Formats
• Normal Response
GET NOISE LEVEL
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Byte-9
Byte-10
Byte-11
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Register address
Word count
X
X
0000 hex
0006 hex
FF hex
03 hex
DB00 hex
2 bytes
Parameter
Description
Register address
The register address (DB00 hex) for getting the noise level
Word count
Word count of noise information from channels 1 to n
*
The range of the word count for each model number is as follows:
V780-HMD68-ETN-JP: 000F hex
V780-HMD68-ETN-KR: 0013 hex
V780-HMD68-ETN-CN: 0010 hex
V780-HMD68-ETN-TW: 000A hex
V780-HMD68-ETN-IN/-ID/-EU/-RU: 0004 hex
V780-HMD68-ETN-MY/-SG: 0008 hex
V780-HMD68-ETN-US/-MX: 0032 hex
Byte-0
Byte-1
Byte-2
Byte-3
Byte-4
Byte-5
Byte-6
Byte-7
Byte-8
Transaction identi-
fier
Protocol identifier
Field length
Unit
identifier
Function
code
Byte
count
X
X
0000 hex
2 bytes
FF hex
03 hex
1 byte
Byte-9
Byte-10
...
...
Byte-m
*1
Channel 1 noise
level
...
Channel n noise level
2 bytes
...
2 bytes
Parameter
Description
Field length
Gives the total number of bytes starting from the unit identifier in 4-digit hexadeci-
mal.
*
The field length for each model number is as follows:
V780-HMD68-ETN-JP: 0021 hex (33)
V780-HMD68-ETN-KR: 0029 hex (41)
V780-HMD68-ETN-CN: 0023 hex (35)
V780-HMD68-ETN-TW: 0017 hex (23)
V780-HMD68-ETN-IN/-ID/-EU/-RU: 000B hex (11)
V780-HMD68-ETN-MY/-SG: 0013 hex (19)
V780-HMD68-ETN-US/-MX: 0067 hex (103)
Summary of Contents for V780 Series
Page 22: ...Version Upgrade Information 20 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 60: ...3 Part Names and Functions 3 14 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 152: ...6 Functions 6 76 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 334: ...8 Browser Interface 8 44 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 358: ...9 Troubleshooting 9 24 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 392: ...Appendices A 30 UHF RFID System V780 series Reader Writer User s Manual Z389 ...
Page 393: ...I 1 I UHF RFID System V780 series Reader Writer User s Manual Z389 Index ...
Page 397: ......