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No.
Item
Length of input data
5
of special module
Length of output
6
data of special
module
Length of input I/O
7
data
Length of output I/O
8
data
Number of special
9
modules
Diagnostic interval
10
time
Special module
11
offline treatment
Special module erro
12
treatment
13
Reset RTU-DNET
Add control word
14
and status word to
I/O data
15
Work mode
Number of input
16
data connected
Number of output
17
data connected
18
Length of input data
Length of output
19
data
20
I/O mapping
4.2 Format of Requet Message and Response Message
1.
RTU-DNET supports using DeviceNet explicit messages to poll special modules.
Format of request messages
Byte position
0
DVP-PLC Application Manual
DeviceNet Remote I/O Communication Module RTU-DNET
Unit
The length of input data of the special module connected to
Word
RTU-DNET
The length of output data of the special module connected to
Word
RTU-DNET
The sum of the length of the status word of RTU-DNET and the
input data of the special module connected to it. One input
Byte
channel of the special module occupies 2 bytes. 8 points of the
digital input are counted as 1 byte.
The sum of the length of the control word of RTU-DNET and
theoutput data of the special module connected to it. One output
Byte
channel of the special module occupies 2 bytes. 8 points of the
digital output are counted as 1 byte.
The number of special modules connected to RTU-DNET.
Unit
Range: 0 ~ 8
The interval when RTU-DNET executes diagnosis.
Sec
Range: 1 ~ 65, Default: 5 secs
How RTU-DNET will react when the special module connected
N/A
to it is offline. You can choose "Ignored", "Alarm" or "Stop
DeviceNet IO". Default: Alarm
How RTU-DNET will react when it detacts errors. You can
N/A
choose "Ignored", "Alarm" or "Stop DeviceNet IO". Default:
Alarm
N/A
Reset the configuration of RTU-DNET to default settings.
For you to decide whether to add control word and status word
to I/O data. When you choose not to do it, the I/O data in
RTU-DNET and DeviceNet master will not include control word
N/A
and status word. If you choose to add them in, the I/O data in
RTU-DNET and DeviceNet master will include control word and
status word.
For you to set up the work mode of the special module
connected to RTU-DNET. When set to "auto mode", RTU-DNET
N/A
will configure default CR of the special module as DeviceNet I/O
mapping data. When set to "custom mode", you can configure
any CR in the special module as DeviceNet I/O mapping data.
The number of input data of the special module connected to
---
RTU-DNET
The number of output data of the special module connected to
---
RTU-DNET
The sum of the length of input data of the special modules
Word
connected to RTU-DNET
The sum of the length of output data of the special modules
Word
connected to RTU-DNET
The I/O mapping relation between RTU-DNET and the special
N/A
module connected to it
Data written into special module
Frag[0]+XID+MAC ID
Explanation
Data read from special module
Frag[0]+XID+MAC ID
9
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