I-7242D user manual
I-7242D DeviceNet/Modbus RTU Gateway User’s Manual, July 2006, Version 1.1 93/124
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 8 7 6 5 4 3 2 1
0
IDENTITY USAGE
HEX
RANGE
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)
Slave
(MAC
ID
=0x09)
Who communication Fault Response Message:
1 1 1 1 1
Group 4 Message ID Group 4 Messages
000 - 3ff
1 1 1 1 1
2C
Communication Faulted Response Message
1 1 1 1 1
2D
Communication Faulted Request Message
_ Group 4 Message
| _ Message ID=0x2D
| |
| | _ match=0, value=0x3f
| | | _ Service=0x4B
| | | | _Time Delay Byte Offset
| | | | |
ID=11111 101101. Data=3F 4B 02
_ Group 4 Message
| _ Message ID=0x2C
| | _ Physical Port Number
| | | _ Vendor ID
| | | | __ Serial Number
| | | _|_ ____|____
ID=11111 101100. Data= 00 23 03 01 00 00 00
