R88A-CNU01R Omron, R88A-CNU01R Datasheet - Page 15

• Manufacturer Part Number: R88A-CNU01R
• Description: CABLE FOR MC MODULE 1M 2 AXIS
• Manufacturer: Omron

Specifications of R88A-CNU01R

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: R88ACNU01R

R88A-NCW152-DRT
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Explicit Message communications function use Explicit Messages
defined for DeviceNet to send and receive service requests. With a
DeviceNet to send and receive service requests. With a
■
This section explains how to use the CMND (command setting)
instruction to send Explicit Messages, including the timing of
message execution and responses.
CMND
With the CS/CJ-Series DeviceNet Master Unit, CMND instructions
can be used in the CPUs ladder program to send Explicit Mes-
sages. The Explicit Message command data is sent with FINS
S: First Command Word at Local Node
Specify the beginning word for the command data to be trans-
ferred to the Devicenet Master Unit. Preset in consecutive words
the data to be transferred, as shown below.
D: First Response Word at Local Node
Specify the beginning word of the area for storing responses to
messages.
C: First Control Data Word
Specify the beginning word for storing the control data required for
message communications. Preset in consecutive words the
required data, as shown below. this data is required by the
DeviceNet Master Unit.
Note: 1. Set the number of words from the beginning word S.
Word
S
S + 1
S + 2
S + 3
S + 4
---
Word
C
C + 1
C + 2
C + 3
C + 4
C + 5
Explicit Message Communications
Sending Explicit Messages Using
the CMND Instruction
2. Set the number of words from the beginning word D.
3. Set the number of retries when there is an error response.
4. For Explicit Messages, this must be set to at least 2 s.
5. Set bit 15 of word C + 4 to 0 (response returned) or 1 (response). For Explicit messages, this bit must be set to 0
(response returned).
(@)CMND(490)
Bits
15
Number of command data bytes (See Note 1): 0000 to 021E Hex (0 to 542 bytes)
Number of response data bytes (See Note 2): 0000 to 021E Hex (0 to 542 bytes)
Destination network address: 0000 to 007F Hex (0 to 127), 0000 Hex (local network)
Destination node address: 00 to 3F Hex (0 to 63)
Response (See Note 5)
Response monitor time (See Note 4): 0000 Hex (2 s). 0001 to FFFF Hex (0.1 to 6.553.5 s (Unit: 0.1 s)
C
D
S
Bits
15 to 8
Command code (set Explicit Message FINS command 2801)
Node address of slave or master to which message is to
be sent: 0 to 3F HEX (0 to 63)
Class ID code (sets the DeviceNet class code for the function)
Instance ID code (sets the DeviceNet instance code for the function)
Attribute ID code (sets the DeviceNet attribute code for the
function
Attached data (for write)
For more information, contact an Omron representative at 1-800-55-OMRON
14 to 8
Communications port No.: 00 to 07
DeviceNet Unit, it is possible to receive service requests using
Explicit Messages from PCs with Omron Master Units or from
DeviceNet masters by other vendors.
command 2801 Hex attached at the beginning. The Explicit Mes-
sage response is received following the FINS command code
2801 Hex and FINS completion code.
7 to 0
Explicit Message service code
Write: 10: Read: 0E
Attached data (for write)
7 to 0
Destination unit address: 10 to 1F Hex
Number of retries (See Note 3): 00 to
0F Hex (0 to 15 times)
R88A-NCW152-DRT
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