Mitsubishi Electric MELSEC Q Series User Manual page 36

(8) Data link last station information (buffer memory address: 20 (Un\G20))
The last station number of data-link-available remote stations is stored.
b6 to b0
b15 to b7
● The value stored in this buffer memory area depends on the number of occupied I/O points setting, point mode setting,
● When a remote station for which a station number greater than the value stored in this buffer memory area is set is
(9) Detailed remote station information (Buffer memory address 32 to 95: Un\G32
to 95)
Information on each remote station is stored.
b2 to b0
b15 to b9
*1
*2
*3
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Bit Name
Data link last station number
Empty
and last station number setting configured using intelligent function module switches.
connected, "Error of station outside control range" occurs.
Bit Name
Number of I/O points
*2
b3
Output flag
*2
b4
Input flag
b5 Remote device station flag
b6
Start station flag
b7 Input filter setting
b8 Output clear/hold setting
Empty
For I/O modules, the number of input or output points is stored.
For the CL1XY2-DT1D5S, 1 point is stored.
Ex.
b4 and b3 indicate the presence of the remote input signal and remote output signal of the connected remote station.
For a remote I/O station used for input and output, both b4 and b3 store 1. For the one used for input,
Ex.
b4 and b3 store 1 and 0, respectively.
For a module having two or more occupied stations, only the bit of the buffer memory area in the start station will turn on.
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The last station number of data-link-available remote stations is stored.
*1
000: 1 pt. 001: 2 pts. 010: 4 pts. 011: 8 pts. 100: 16 pts.
0: No output
1: Data being output
0: No input
1: Data being input
0: Remote I/O station
1: Remote device station
0: Station other than the start station
*3
1: Start station
0: Standard input (No setting)
1: High-speed input
0: Clear (No setting)
1: Hold
Description
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Description
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