Echrd - Omron CP - PROGRAMMING MANUAL 05-2007 Programming Manual

Network Instructions
S D0
S:+1 D1
S+2: D2
S+3: D3
S+4: D4
S+5: D5
S+6: D6
C: D201
C+1: D202
C+2: D203
3-24-9 EXPLICIT WORD READ: ECHRD(723)
Purpose
Ladder Symbol
Variations
Explicit message command format
10 08
Service Code
Destination node address
CS1W-DRM21 DeviceNet Unit
ESATR(722)
instruction
(CPU Bus Unit with unit number 2)
CP1H
Unit address 12 hex (because
the unit number is 2)
Explicit
message
0 0 0 C
Number of bytes of data: S+1 to S+6 = 6 words = 12 bytes = 0C hex
0 0 0 A
Slave's node address = 10 = 0A hex
0 0 0 8
Class ID = 08 hex
0 0 0 2
Instance ID = 02 hex
0 0 6 8
Attribute ID = 68 hex
0 1 F 4
Service Data = F401 hex
0 0 0 0
Byte order = 8 hex (from rightmost byte), communications port = 6
8 6 1 2
hex (port 6), and the DeviceNet Unit's unit address = 12 hex
0 0 0 0
Response monitoring time = 0000 hex (2 s)
0 0 0 0
Explicit format type = 0000 hex (DeviceNet format)
Reads data to the local CPU Unit from another CPU Unit in the network.
This instruction can be used in the CP1H CPU Units only. It cannot be used in
the CP1L CPU Units. If ECHRD(723) is used in a CP1L CPU Unit, Error Flag
(ER) will be turned ON.

ECHRD(723)

Variations
Immediate Refreshing Specification
02 68 F4 01 00
Service Data:01F4Hex
Attribute ID
Instance ID
Class ID
Slave (I/O Terminal)
with node address 10
S: First source word in remote CPU Unit
S
D: First destination word in local CP1H CPU Unit
D
C: First control word
C
Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported
Section 3-24
00
ECHRD(723)
@ECHRD(723)
Not supported
903