Omron SYSMAC CJ - REFERENCE MANUAL 08-2008

933
Basic I/O Unit Instructions Section 3-23
Applicable Program Areas
Operands N: Unit number
Specifies the CPU Bus Unit’s unit number (0000 to 000F hex or 0 to 15 deci-
mal).
Operand Specifications
Description DLNK(226) performs immediate I/O refreshing for the CPU Bus Unit with the
specified unit number. The data listed below is refreshed. Refer to the Precau-
tions below for details on the execution conditions to use for immediate
refreshing.
1. The words allocated to the CPU Bus Unit in the PLC’s CPU Bus Unit Areas
(25 words in the CIO Area and 100 words in the DM Area)
2. Data specific the CPU Bus Unit such as data link data or DeviceNet Re-
mote I/O Communications data (refreshed together with the data in the
CPU Bush Unit Areas)
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area N
CIO Area CIO 0000 to CIO 6143
Work Area W000 to W511
Holding Bit Area H000 to H511
Auxiliary Bit Area A448 to A959
Timer Area T0000 to T4095
Counter Area C0000 to C4095
DM Area D00000 to D32767
EM Area without bank E00000 to E32767
EM Area with bank En_00000 to En_32767
(n = 0 to C)
Indirect DM/EM
addresses in binary
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants #0000 to #000F (binary) or 0 to 15 (decimal)
Data Registers DR0 to DR15
Index Registers ---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
CPU Bus Unit Data refreshing specific to the Unit
Controller Link Unit or SYSMAC
Link Unit
Data link refreshing
DeviceNet Unit
(Does not include C200H
DeviceNet Master Units.)
Remote I/O communications refreshing