Omron V780 Series User Manual page 211

GET TCP/IP COMMUNICATIONS CONDITIONS
 Function
This command is used to check the TCP/IP communications 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
IP address setting
method
2 bytes
Parameter
Byte count
TCP/IP IP address set-
commu- ting method
nica-
tions
condi-
tions
IP address
Subnet mask
Gateway
address
*1. For any IP address setting method except for using a fixed address, 00000000 hex is returned.
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 (B000 hex) that specifies the TCP/IP communications condi-
tions.
The number of words of the TCP/IP communications conditions to read (0007 hex)
Byte-2 Byte-3 Byte-4 Byte-5
Protocol identifier Field length
0000 hex 0011 hex
Byte-11 ... Byte-14
TCP/IP communications conditions
IP address
4 bytes
The number of bytes in the TCP/IP communications condi-
tions that were read (0E hex)
Gives the IP address setting method that was read in 4-digit
hexadecimal.
0000 hex: Fixed setting
00001 hex: Obtain from BOOTP server
0002 hex: Get from BOOTP server as fixed settings
Gives the IP address that was read in 8-digit hexadecimal.
*1
Example: C0A801C8 hex (192.168.1.200)
*1 Gives the subnet mask that was read in 8-digit hexadecimal.
Example: FFFFFF00 hex (255.255.255.0)
Gives the gateway address that was read in 8-digits hexa-
*1 decimal.
Example: C0A801FE hex (192.168.1.254)
7 Modbus/TCP Communications
Byte-5 Byte-6 Byte-7
Unit Function
identifier code
FF hex 03 hex
Description
Byte-6 Byte-7
Unit Function
identifier code
FF hex 03 hex
Byte-15 ... Byte-18
Subnet mask
4 bytes
Description
Byte-8 Byte-9 Byte-10
Register address Word count
B000 hex 0007 hex
Byte-8
Byte
count
0E hex
Byte-19 ... Byte-22
Gateway address
4 bytes
Default setting
0000 hex
C0A801C8 hex
FFFFFF00 hex
C0A801FE hex
Byte-11
7
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