Explicit Word Read: Echrd(723) - Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual

Network Instructions
S:
S:+1
S+2:
S+3:
S+4:
S+5:
S+6:
C:
C+1:
C+2:

3-25-9 EXPLICIT WORD READ: ECHRD(723)

Purpose
Ladder Symbol
Variations
In this case, the Number of Contact Operations is being set to 500 (1F4 hex),
so the service data is set to 000001F4.
Explicit message command format
Explicit
message
D00000 0 0 0 C
D00001 0 0 0 A
D00002 0 0 0 8
D00003 0 0 0 2
D00004 0 0 6 8
D00005 0 1 F 4
D00006 0 0 0 0
D00201 8 6 1 2
D00202 0 0 0 0
D00203 0 0 0 0
Reads data to the local CPU Unit from another CPU Unit in the network. (The
remote CPU Unit must support explicit messages.)
This instruction is supported only by CS/CJ-series CPU Unit Ver. 2.0 or later.
ECHRD(723)
S
D
C
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported
Immediate Refreshing Specification
10 08 02 68 F4
Attribute ID
Instance ID
Class ID
Service Code
Destination node address
CS1W-DRM21 DeviceNet Unit
(CPU Bus Unit with unit number 2)
ESATR(722)
CPU
instruction
Unit
Unit address 12 hex (because
the unit number is 2)
Slave (I/O Terminal)
with node address 10
Number of bytes of data: S+1 to S+6 = 6 words = 12 bytes = 0C hex
Slave's node address = 10 = 0A hex
Class ID = 08 hex
Instance ID = 02 hex
Attribute ID = 68 hex
Service Data = F401 hex
Byte order = 8 hex (from rightmost byte), communications port = 6
hex (port 6), and the DeviceNet Unit's unit address = 12 hex
Response monitoring time = 0000 hex (2 s)
Explicit format type = 0000 hex (DeviceNet format)
S: First source word in remote CPU Unit
D: First destination word in local CPU Unit
C: First control word
Section 3-25
01 00 00
Service Data:01F4Hex
ECHRD(723)
@ECHRD(723)
Not supported
1087