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Appendix 2.7 Other station information (buffer memory address:
20544 to 24383 (5040
H
to 5F3F
H
))
This buffer memory stores other stations’ information on the network.
(1) Other station (network card) information (station No. 1) (buffer memory
address: 20544 to 20551 (5040
H
to 5047
H
))
(2) Other station (controller) information (station No. 1) (buffer memory address:
20552 to 20575 (5048
H
to 505F
H
))
(3) Other station information (station No. 2 to No. 120) (buffer memory address:
20576 to 24383 (5060
H
to 5F3F
H
))
The information for station No. 2 to No. 120 is stored in the same order as the information for other station
(network card) information (station No. 1) and other station (controller) information (station No. 1).
Address Name Description
20544 (5040
H
)
Manufacturer code
This buffer memory stores another station’s (station No. 1)
information.
20545 (5041
H
)
Model type
20546 (5042
H
)
Model code
20547 (5043
H
)
Version
20548 to 20551 (5044
H
to 5047
H
)
System area
Address Name Description
20552 (5048
H
)
Controller information valid/invalid
flag
This buffer memory stores whether the value stored in another
station (controller) information (station No. 1) is valid or invalid.
0: Invalid
1: Valid
20553 (5049
H
)
Manufacturer code
This buffer memory stores another station’s (station No. 1)
master/local module information.
20554 (504A
H
)
Model type
20555 (504B
H
)
Model code
20556 (504C
H
)
Version
20557 to 20566 (504D
H
to 5056
H
)
Model name string
20567 to 20568 (5057
H
to 5058
H
)
Vendor-specific device
information
20569 to 20575 (5059
H
to 505F
H
)
System area