Echrd - Omron CJ - REFERENCE MANUAL 02-2010 Reference Manual

3. Instructions

ECHRD

Instruction
EXPLICIT WORD READ
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage OK
Operands
Operand
S First source word in remote CPU Unit
D First destination word in local CPU Unit
C First control word
S: First Source Word in Remote CPU Unit
Specifies the leading word address containing the data to be read from the remote CPU Unit.
D: First Destination Word in Local CPU Unit
Specifies the leading word address where the read data will be stored in the local CPU Unit.
C: First Control Word
15 12 11
C 0 0
15 12 11
C+1 0 0
15 12 11
C+2 0
15
C+3
15
C+4
952
Mnemonic Variations
ECHRD @ECHRD
ECHRD(723)
S
D
C
Block program areas Step program areas
OK OK
Description
8 7 0
Source node address (remote CPU Unit)
(00 to maximum node address (hex))
Example: DeviceNet: 00 to 3F hex (0 to 63)
8 7 0
Read data size (words):
01 to 64 hex (1 to 100 words)
8 7 0
FINS unit address of relaying Communications Unit.
CPU Bus Unit: 10 to 1F hex (unit number + 10 hex)
Special I/O Unit: 20 to 7F hex (unit number + 20 hex)
Port number of the communications port
(logical port) for the network instruction:
0 to 7 hex (F hex: Automatic allocation)
0
Response monitoring time
0001 to FFFF hex (0.1 to 6553.5 s)
0000 hex: 2 s (default setting)
0
Explicit message format
0000 hex: DeviceNet
(same as using the 2801 FINS command)
Function
code
Reads data to the local CPU Unit from another
723 CPU Unit in the network. (The remote CPU Unit
must support explicit messages.)
ECHRD
S: First source word in remote CPU Unit
D: First destination word in local CPU Unit
C: First control word
Subroutines Interrupt tasks
OK
Data type
UINT
UINT
WORD
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Function
SFC action or
transition programs
OK OK
Size
1
1
5