Modbus Plus configuration
Functions accessible from Modbus Plus
Introduction
Accessible functions
Depending on the chosen communication supports, some parameters cannot be modified. They appear grayed out.
The summary table below shows the various choices possible:
Functions
Station number
Peer Cop
Input fallback mode
Specific inputs
Specific outputs
TSX MPB 100
For processors of at least version V3.0
For processors of at least version V3.3
Accessible if the Peer Cop box is checked
Accessible if the Peer Cop box is checked
Accessible if the Peer Cop box is checked
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Modbus Plus configuration
Modbus Plus configuration parameters
Introduction
Addressing parameter
Peer Cop parameters
Once the communication channel has been configured, complete the parameters dedicated to the Modbus Plus link.
z z
They are split into two windows: the Station number window, the Peer Cop window,
The window looks like this:
Station number: : 1
This parameter is used to define the address (or connection point) of the station on the Modbus Plus network.
The window is only accessible by checking the box Peer Cop :
Peer Cop
Value of Timeout:
Input fallback mode
Maintain
Reset to 0
500 (ms)
Specific Inputs
Specific outputs
It can be used to: z complete the Timeout value : Input refresh time in milliseconds. It is used to specify the maximum time during which the inputs from remote stations must be updated in the PCMCIA card. In the event that data is not refreshed within the time allowed, an error is detected.
z the default value is 20 ms, z the values range from 20 ms to 2 s, z z z the increment is 20 ms.
define the Input Fallback mode : z maintained, z cleared.
access the values of the specific inputs and specific outputs . Peer Cop
service, p. 195
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Modbus Plus configuration
Configuring the specific inputs and outputs
Introduction
Configuration rules
Specific inputs
If you have checked the box Peer Cop , you must specify the start address and the size of the data to be exchanged.
These data are stored in the internal words of the application. Peer Cop service,
p. 195
The input words zone cannot be superimposed on the output words zone.
The internal words corresponding to the specific inputs or outputs are stored continuously.
The maximum size of the specific data must not exceed 1000 words (max. 500 words for the inputs and max. 500 words for the outputs).
After selection of the button Specific inputs , the following window will appear:
Peer Cop input
Station
8
9
6
7
10
3
4
1
2
5
Ref.
%MW10
%MW15
%MW24
%MW56
%MW84
%MW88
%MW104
%MW117
%MW149
Length (0..32)
5
9
32
28
4
16
13
32
19
Validate
Cancel
Address of 1st %MW
%MW 10 z z
For each connection point of the local bus segment, the user must define: the start address in the table of internal words (%MW),
The size of the exchanges from 0 to 32 words per station on the local bus segment.
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Station
8
9
6
7
10
3
4
1
2
5
Ref.
%MW100
%MW105
%MW111
%MW126
%MW158
%MW184
%MW187
%MW199
%MW220
Length (0..32)
5
6
15
32
26
3
12
21
1
Modbus Plus configuration
Specific outputs After selection of the button Specific outputs , the following window will appear:
Peer Cop outputs
Validate
Cancel
Address of 1st %MW
%MW 100 z z
For each connection point of the local bus segment, the user must define: the start address in the table of internal words (%MW),
The size of the exchanges from 0 to 32 words per station on the local bus segment.
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Modbus Plus configuration
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