Memory Assignments - Omron V680S-HMD64-PNT User Manual

Memory Assignments

This section describes the command area (output area) for the input CR to the Reader/Writer and the
response area (input area) for the output CR to the PLC.
Memory alignment is given in units of 8 bits. The byte order in all fields is big endian.
 Command Area
Offset
7
+0 Resv
+1 Resv
+2
+3
+4
+5
+6
+7
+8
:
+N
* Reserved (resv) bits are for future expansion. Do not turn them ON and OFF.
Signal/data Name
EXE Command Execution
Request
CmdCode Command Code
CmdParam1 Command Parameter 1
CmdParam2 Command Parameter 2
CmdData Command Data
PLC (IO Controller) ⇔ Reader/Writer (IO Device)
6 5
Resv Resv Resv
Resv Resv Resv
Command Parameter 1
Command Parameter 2
(The format depends on the command.)
Data type Size
BOOL 1 bit
WORD 16 bits
WORD 16 bits
WORD 16 bits
--- ---
Host Communications Specifications
Bit
4 3 2
Resv Resv
Resv Resv
Command Code
Command Data
Description
• Turn ON this bit to send a request to the Reader/Writer to
execute a command. Set the command code and parameters
before you turn ON this bit.
• You can turn OFF this bit during execution of a
communications command with RF Tags to cancel
communications processing by the Reader/Writer.
This word stores the command code.
These words store the command parameters.
Refer to the sections for individual commands for details.
These words store the command data.
Refer to the sections for individual commands for details.
Section 7
1 0
Resv EXE
Resv Resv
RFID System
153
User's Manual
(PROFINET)