User's Manual
Table Of Contents
- Modbus/TCP Communications
- 7-1 Outline
- 7-2 Message Formats
- 7-3 RF Communications Command Options
- 7-4 Communications Procedure
- 7-5 Commands
- 7-6 V780 Command Details
- 7-6-1 Single-access Communications Commands
- 7-6-2 Multiaccess Communications Commands
- 7-6-3 Modbus Expansion Communications Commands
- 7-6-4 Reader/Writer Control Commands
- 7-6-5 Reader/Writer Setting Commands: Network Settings
- 7-6-6 Reader/Writer Setting Commands: Communications Settings
- 7-6-7 Reader/Writer Setting Commands: Device Settings
- 7-6-8 Maintenance Commands: Device Information
- 7-6-9 Maintenance Commands: Log Information
- 7-6-10 Maintenance Commands: RF Communications Information
7 Modbus/TCP Communications
7 - 94
UHF RFID System V780-series Reader/Writer User’s Manual (Z389)
Function
This command sets the time to stop the transmission power.
Command Format
*1. If you set a stop time, do not set the continuous transmission time to 0000 hex (unlimited). A command
parameter error will occur if only the stop time or only the continuous transmission time is set to 0.
Response Formats
• Normal Response
• Error Response
SET TRANSMISSION TIME
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 000B hex FF hex 10 hex C700 hex 0002 hex
Byte-12 Byte-13 Byte-14 Byte-15 Byte-16
Byte
count
Stop time Continuous trans-
mission time
04 hex 2 bytes 2 bytes
Parameter Description Default setting
Register address The register address (C700 hex) that specifies setting the transmission times
Word count The number of words in the transmission time setting (0002 hex)
Byte count The number of bytes in the transmission time setting (04 hex)
Stop time
*1
Specify the time to stop the output during RF communications com-
mand execution in 4-digit hexadecimal.
0000 hex or 000A to 03E8 hex
(0000 hex = None, or 10 to 1,000) [ms]
0000 hex
Continuous transmis-
sion time
*1
Specify the maximum time to continuously output radio waves
during RF communications command execution in 4-digit hexadeci-
mal.
0000 hex or 0190 to 2710 hex
(0000 hex = Unlimited, or 400 to 10,000) [ms]
0000 hex
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 10 hex C700 hex 0002 hex
Parameter Description
Register address The register address from the command is set.
Word count The word count from the command is set.
Byte-0 Byte-1 Byte-2 Byte-3 Byte-4 Byte-5 Byte-6 Byte-7 Byte-8
Transaction identifier Protocol identifier Field length Unit iden-
tifier
Function
code
Excep-
tion code
X X 0000 hex 0003 hex FF hex 90 hex 1 byte