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7 Modbus/TCP Communications
7 - 134
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
*1. The number of bytes in response depends on the model number.
• Error Response
Byte count
Gives the total number of bytes for noise level from channel 1 to channel n in 4-digit
hexadecimal.
*
The byte count for each model number is as follows:
V780-HMD68-ETN-JP: 1E hex (30)
V780-HMD68-ETN-KR: 26 hex (38)
V780-HMD68-ETN-CN: 20 hex (32)
V780-HMD68-ETN-TW: 14 hex (20)
V780-HMD68-ETN-IN/-ID/-EU/-RU: 08 hex (8)
V780-HMD68-ETN-MY/-SG: 10 hex (16)
V780-HMD68-ETN-US/-MX: 64 hex (100)
Channel 1 noise level
Gives the noise level for channel 1 in signed digit hexadecimal.
FFFF to FF9D hex (-1 to -99) [dBm]
...
...
Channel n noise level
Gives the noise level for channel n in signed digit hexadecimal.
FFFF to FF9D hex (-1 to -99) [dBm]
*
The maximum number of channels for each model number is as follows:
V780-HMD68-ETN-JP: 15
V780-HMD68-ETN-KR: 19
V780-HMD68-ETN-CN: 16
V780-HMD68-ETN-TW: 10
V780-HMD68-ETN-IN/-ID/-EU/-RU: 4
V780-HMD68-ETN-MY/-SG: 8
V780-HMD68-ETN-US/-MX: 50
Byte-m
V780-HMD68-ETN-JP
V780-HMD68-ETN-KR
V780-HMD68-ETN-CN
V780-HMD68-ETN-TW
V780-HMD68-ETN-IN/-ID/-EU/-RU
V780-HMD68-ETN-MY/-SG
V780-HMD68-ETN-US/-MX
:
39
:
47
:
41
:
29
:
17
:
39
:
109
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
Excep-
tion code
X
X
0000 hex
0003 hex
FF hex
83 hex
1 byte
Parameter
Description
Exception code
For details, refer to
Parameter
Description
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: ......