CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 278

• Manufacturer Part Number: CJ1W-EIP21
• Description: Ethernet I/P Module
• Manufacturer: Omron

Specifications of CJ1W-EIP21

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

I/O Memory Read/Write for CPU Units
250
Receiving Explicit Messages
Byte Data Read 1C Hex
Word Data
Read
Byte Data Write 1E Hex
Word Data Write 1F Hex
Service
1D Hex
Service
code
Note With a EtherNet/IP Unit or built-in EtherNet/IP port with unit version 2.0 or
C4 Hex
(2F Hex)
(See note.)
Class ID
later, the PLC object class ID is C4 hex. (With unit version 1.0, the PLC object
class ID is F2 hex.)
The commands and responses for the explicit messages that can be sent and
received are described on the following pages.
In the following command and response formats, all boxes represent 1 byte
each.
Specifies
area (01 Hex
to 14 Hex)
Instance ID
Address, No.
of read bytes
Address, No.
of read
words
Address,
byte data
Address
word data
Request
service
data
Reads the specified node data in byte units.
The word data is read in order, from high to
low bytes.
Read data: 200 bytes max.
Reads the specified node data in word
units. The word data is read in order, from
high to low bytes.
Read data: 200 bytes max.
Writes the specified node data in byte units.
The word data is specified in order, from
high to low bytes.
Write data: 200 bytes max.
Writes the specified node data in word
units. The word data is specified in order,
from high to low bytes.
Write data: 200 bytes max.
Contents
Section 9-2