Offline Connection Set - ICP DAS USA I-7242D User Manual
Devicenet / modbus rtu gateway.
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7.2.10
Offline Connection Set
This section describes the Offline Connection Set Messaging Protocol and
presents the details associated with the establishment of Offline Connection
Set ownership. Support of the Offline Connection Set is optional for all types of
devices. Table 7-7 shows Offline connection Set Identifier Fields
Table 7-7 Identifier fields of Offline connection set
IDENTIFIER BITS
10
9
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1
In this example, the I-7242D is set to an off-line state, because it has a
duplicated fault. We can then apply the offline connection set to change its
baud rate.
Note: Slave (I-7242D): Node ID=0x09, Master: Node ID=0x0A
1. Apply the Communication Faulted Request message to communicate
with offline devices. (Group 4, message: 2D, service: 4B)
Who communication Fault Request Message:
Master (MAC ID =0x0A)
_ Group 4 Message
|
_ Message ID=0x2D
|
|
|
|
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ID=11111 101101. Data=3F 4B 02
Who communication Fault Response Message:
_ Group 4 Message
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_ Message ID=0x2C
|
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ID=11111 101100. Data= 00 23 03 01 00 00 00
I-7242D DeviceNet/Modbus RTU Gateway User's Manual, July 2006, Version 1.1
4
3
2
1
0
Group 4 Message ID
2C
2D
_ match=0, value=0x3f
|
_ Service=0x4B
|
| _Time Delay Byte Offset
|
| |
_ Physical Port Number
|
_ Vendor ID
|
|
__ Serial Number
| _|_ ____|____
IDENTITY USAGE
Group 4 Messages
Communication Faulted Response Message
Communication Faulted Request Message
I-7242D user manual
RANGE
000 - 3ff
Slave (MAC ID =0x09)
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