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MELSEC-Q
6 PROGRAMMING
(b) Checking the parameter status of the host (including the
switch setting on the network module)
1) Upon completion of receiving parameters, Parameter receive status
(SB0054) is turned OFF.
2) If any error is found in the parameters, the following link special relays
(SB) are turned ON.
• Setting information (host) (SB0045)
• Received parameter error (SB0055)
3) An error code is stored in Parameter setting status (SW0055).
4) If the host is a remote I/O station, the presence of intelligent function
parameters can be checked by Parameter information (SW0054).
No. Description No. Description
SB0045 Setting information (host) —
SB0054 Parameter receive status SW0054 Parameter information
SB0055 Received parameter error SW0055 Parameter setting status
5) When the parameters are reflected in the network module, contents of
parameters are stored in the following link special relay (SB) and link
special register (SW).
No. Description No. Description
SB0040 Network type (host) SW0040 Network No.
— SW0042 Station No.
SB0043 Online switch (host) SW0043 Mode status
SB0044 Station setting (host) SW0044 Station setting
SB0046
Data link operation designation result
(host)
SW0046 Module type
SB0048 Remote master station status (host) —
SB0056 Communication status SW0056 Current remote master station
— SW0057 Designated remote master station
SB0058
Operation designation at fault of
(multiplexed remote master station)
—
— SW0059 Total number of link stations
SB005B END asynchronous settings —
SB0064 Reserved station designation
SW0064 to
SW0067
Reserved station designation
SB0068 Communication mode SW0068 Communication mode
SB0069 Multiplex transmission designation
—
SB006B Multiplex remote function designation