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Procedures before operation
MELSEC-WS
128
(b) Configuration required for the QJ71E71-100
Configuration examples of network parameters required for communications in
auto update mode are shown below. Configure these parameters using a
programming tool.
1) Configuring network parameters
Refer to Section 8.2.2 (1).
2) Network parameter –
Operational settings
Refer to Section 8.2.4 (1).
3) Network parameter –
Open settings
Refer to Section 8.2.4 (1).
4) Network parameter –
Initial settings
Refer to Section 8.2.4 (1).
(2) Sample program
This manual describes only devices used in sample programs and details of the
processing.
For the acquisition of sample programs, please contact your local Mitsubishi
representative.
1) Device assignment
The following tables list devices used in the sample program.
Table 48: Devices used in the sample program
W device
W0 to W18
Input data set 1 storage area
W20 to W2F
Input data set 2 storage area
W30 to W4D
Input data set 3 storage area
M device
D device
M500
Receive execution
D2
BUFRCV instruction failure error code
M501
BUFRCV instruction success device
D500 and
D501
BUFRCV instruction control data
M502
BUFRCV instruction failure device
D520
Response command check device
M510
BUFRCV instruction normal completion
D900 to D976 BUFRCV instruction receive data area
M511
BUFRCV instruction abnormal completion
X device
M520
Response command verification normal
completion
X0
Fixed buffer reception status signal
M521
Data size error device
X10
Open complete signal
M1000 to
M1023
Device area used for byte swapping
X19
Initial processing normal completion signal
C device
*1
C20
BUFRCV instruction
Number of executions
C21 Number
of
successes
C22 Number
of
failures
C31
Verification check
Number of successes
C32 Number
of
failures
*1 C device is used to check the operation of the communication program.
Содержание Melsec WS Series
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