Omron SYSMAC CJ - REFERENCE MANUAL 01-2008 Reference Manual page 1003

Basic I/O Unit Instructions
Operand Specifications
Description
964
CPU Bus Unit:
S+1: Number of words to transfer
(0001 to 0080 Hex, depends on Special I/O Unit or CPU Bus Unit)
S+1
Area
CIO Area
Work Area
Holding Bit Area
Auxiliary Bit Area
Timer Area
Counter Area
DM Area
EM Area without bank
EM Area with bank
Indirect DM/EM
addresses in binary
Indirect DM/EM
addresses in BCD
Constants
Data Registers
Index Registers
Indirect addressing
using Index Registers
IORD(222) reads the number of words designated in S+1 from the memory
area of the Special I/O Unit or CPU Bus Unit whose unit number is designated
by S and outputs the data to D. Only Special I/O Units or CPU Bus Units
mounted on CPU Racks or Expansion I/O Racks can be designated. Refer to
the operation manual of the Special I/O Unit or CPU Bus Unit from which data
is being read for specific details for each Unit.
8000 to 800F hex
(to specify unit numbers 0 to F hex)
S
S+1: Leftmost 4 digits
S: Rightmost 4 digits
C
CIO 0000 to CIO CIO 0000 to CIO
6143 6142
W000 to W511 W000 to W510
H000 to H511 H000 to H510
A000 to A959 A000 to A958
T0000 to T4095 T0000 to T4094
C0000 to C4095 C0000 to C4094
D00000 to D00000 to
D32767 D32766
E00000 to E00000 to
E32767 E32766
En_00000 to En_00000 to
En_32767 En_32766
(n = 0 to C) (n = 0 to C)
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
#0000 to #FFFF Specified values
only
(binary)
DR0 to DR15 ---
---
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
Section 3-23
S D
CIO 0000 to CIO
6143
W000 to W511
H000 to H511
A448 to A959
T0000 to T4095
C0000 to C4095
D00000 to
D32767
E00000 to
E32767
En_00000 to
En_32767
(n = 0 to C)
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