Mitsubishi L26CPU-BT, User Manual

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App - 3 App - 3
APPENDIXES
Appendix 2 Buffer Memory Details
The following explains the details of items shown in "Buffer Memory List" (refer to
Section 3.6).
(1) Parameter information area
Stores the parameter settings.
Do not perform write to the parameter information area. Doing so may cause an
error.
The following table lists the parameter information areas.
Address
Hex. Dec.
Item Description
0
H
0 (Use prohibited) —
1
H
1
Number of connected
modules
Stores the total number of the slave stations that are connected to the master station
(including reserved stations).
Default value: 64 (modules)
Storage area: 1 to 64 (modules)
2
H
2 Number of retries
Stores the number of retries when a communication error occurs.
Default value: 3 (times)
Storage area: 1 to 7 (times)
3
H
3
Number of automatic
return modules
Stores the total number of the slave stations that can be returned to system operation by
a single link scan.
Default value: 1 (module)
Storage area: 1 to 10 (modules)
4
H
4
Standby master station
specification
Stores the station number of the standby master station.
Default value: 0 (no standby master station specified)
Storage area: 0 to 64 (0: No standby master station specified)
5
H
5 (Use prohibited) —
6
H
6
Operation specification
when CPU is down
Stores the data link status when a master station programmable controller CPU error
occurs.
Default value: 0 (Stop)
Storage area: 0 (Stop)
: 1 (Continue)
7
H
7
Scan mode
specification
Stores either the synchronous or asynchronous mode for sequence scan.
Default value: 0 (Asynchronous)
Storage area: 0 (Asynchronous)
: 1 (Synchronous)
8
H
8 Delay time setting Set 0 for the delay time.
10
H
to 13
H
16 to 19
Reserved station
specification
Stores the reserved station.
Default value: 0 (Not specified)
Storage area: Bit corresponding to the station number turns on.
14
H
to 17
H
20 to 23
Error invalid station
specification
Stores the error invalid station.
Default value: 0 (Not specified)
Storage area: Bit corresponding to the station number turns on.
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