Mitsubishi MELSEC-A Series Reference Manual page 89

5. SPECIFICATIONS
Master station (M) for the second tier
1) The M station writes data to the devices in the B/W0 to FF range and sends it
to the other stations.
2) The M station can receive data written to the devices in the B/W100 to 37F
range by other stations.
3) Devices in the B/W380 to 3FF range can be used instead of internal relays
(M) and data registers (D).
When B0 is turned ON in the M station, for example, B0 in L1/m station,
station, 2 station, L2/m station,
turned ON.
Local station No. 1 (Master station (L1/m) for third tier-1)
1) The L1/m station writes data to the devices in the B/W100 to 17F range and
sends it to the other stations.
2) The L1/m station can receive data written to the devices in the B/W0 to B/
WFF range and the B/W180 to 37F range by other stations.
3) Devices in the B/W380 to 3FF range can be used instead of internal relays
(M) and data registers (D).
When B100 is turned ON in the L1/m station, for example, B100 in the M
station, 1 station,
Note that B100 in
REMARK
1) To simplify the example, the same number is assigned to link relays (B) and
link registers (W). In actual use, the number can be separately assigned to
link relays (B) and link registers (W).
2) *: indicates the range where data can be received.
'1 station,
2 station, L2/m station, and L3 station is turned ON.
'1 and '2 stations is not turned ON.
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'2 station, and L3 station is
1