Omron V780 Series User Manual page 286

7 Modbus/TCP Communications
Parameter
Byte count
Channel 1 noise level
...
Channel n noise level
*1. The number of bytes in response depends on the model number.
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
• Error Response
Byte-0 Byte-1
Transaction identi-
fier
X X
Parameter
Exception code
7 - 134
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)
Gives the noise level for channel 1 in signed digit hexadecimal.
FFFF to FF9D hex (-1 to -99) [dBm]
...
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
39
:
47
:
41
:
29
:
17
:
39
:
109
:
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.
Description
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 83 hex
Description
UHF RFID System V780-series Reader/Writer User's Manual (Z389)
Byte-8
Excep-
tion code
1 byte