13-50 13. OMRON
13.2.12V600/620/680
Communication Setting
Editor
Communication setting
(Underlined setting: default)
Device memory map setting
Reading or writing to/from the tag can be performed by using the [Synchronized Reading/Synchronized Writing] function of
the device memory map.
Synchronized reading
Reading starts when the control device memory (command bit) is set (ON). Reading is performed at specified cycles until
the control device memory (acknowledge bit) is set (ON).
Item Setting Remarks
Connection Mode
1:1 / 1:n
/ Multi-link2 / Multi-link2 (Ethernet) /
1:n Multi-link2 (Ethernet)
Signal Level RS-232C
/ RS-422/485
Baud Rate 4800 / 9600 / 19200
/ 38400 / 115K bps
Data Length 7
/ 8 bits
Stop Bit 1 / 2
bits
Parity None / Odd / Even
Targe t Port No. 0 to 31
Transmission Mode 1 : 1 procedure / 1 : N procedure
The transmission mode is set according to
the connection mode.
1 : 1 1 : 1 procedure
1 : n 1 : N procedure
Multi-link2 1 : 1 procedure /
1 : N procedure
Item Contents
Reading Cycle
The data at the device memory addresses registered in the device memory map is read when the
control device memory (command bit) is set (ON).
Reading of data is repeated at specified cycles until the data is read correctly.
When the data has correctly been read, the control device memory (acknowledge bit) is set (ON) and
reading operation finishes.
*1
Control Device
Enter a device memory address as the trigger for synchronized reading.
The specified address is used for the device memory map Nos. 0 to 31. Four words are occupied. For
more information, see the V9 Series Reference Manual.
Guarantee synchronism of the
data
When the box is checked, retry is made until the first data in the device memory map is read correctly.
*2 *3
Check the status/error codes at $Pn 356 to 451 to confirm whether or not reading of subsequent data
has been completed successfully.
Infinite retrials
When the box is checked, retry is made until all data in the device memory map is read correctly.
*3
Status/error codes are stored in $Pn 356 to 451.
*1 When both [Guarantee synchronism of the data] and [Infinite retrials] are not checked, the acknowledge bit is set (ON) when
reading of any data at the device memory address registered in the device memory map has been completed successfully.
*2 Set the device memory address of the same station number and channel in the device memory map.
*3 This setting is invalid when the macro command “TBL_READ” is executed.
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