Momentum Modbus Plus 170 PNT Series Podręcznik Użytkownika Strona 246

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Configuring a Modbus Plus Network in Modsoft with Peer Cop
246
870USE10110 July 2004
Defining References for the Supervisory Computer on a Modbus Network with
Momentum Components (Using Modsoft)
Overview At this point, we will attach the Modsoft 2.6 programming panel to the AT984
supervisory PLC at Modbus Plus address 1 and set up two Peer Cop screens to
handle the M1 CPUs at addresses 2 and 3.
We know that the M1 at Modbus Plus address 2 is sending eight words of specific
output to the supervisor and that the M1 at Modbus Plus address 3 is sending 16
words of specific output to the supervisor. The supervisor will receive this data as
specific inputs.
We also know that the supervisor is sending 10 words of global data, parts of which
will be received by both of the M1 CPUs.
Accessing
Node 2
Make sure the Link setting is 1 and the Node setting is 2, indicating that the
supervisory computer will exchange data with the CPU at address 2.
Specifying
References for
Node 2
We know that this M1 CPU sends eight words of specific output to the supervisor
and receives five words of global data from the supervisor. Follow the steps in the
table below to define the registers that the supervisor will transmit to and receive
from the M1 CPU at Modbus Plus address 2.
Step Action
1 In the REFERENCE column of the SPECIFIC INPUT field, type the value 400001, the
first register which will receive the input. Push <Enter>. The cursor moves to the LEN
column.
Utility
GoToNode
AddNode OnError Quit
F1
F6
F7 Lev 8 F8 OFF F9F3 F4 F5
Timeout : 500 ms Total Links: Link Id:1
PEER COP
On Error : CLEAR USED 1 OF 2000 WORDS
REFERENCE LEN TYPE INDEXMODE
F2
Timeout
Access to Node : 2
TO ALL NODES ON LINK
GLOBAL OUTPUT -
DelNode
SPECIFIC INPUT 400001 - BIN
SPECIFIC OUTPUT -
GLOBAL INPUT -
GLOBAL INPUT -
GLOBAL INPUT -
GLOBAL INPUT -
GLOBAL INPUT -
GLOBAL INPUT -
GLOBAL INPUT -
GLOBAL INPUT -
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