Mitsubishi MELSEC-A Series Reference Manual page 194

7. DATA LINK SETTINGS
7.9.4 Link parameter setting example
The following describes the link parameter setting system configuration shown in Fig 7.26,
using the MELSECNET
(1) Number of assigned points
(a) Master station is the MELSECNET
(b) Local station No.2 is MELSECNET mode-compatible station.
(c) Local station No.3 is MELSECNET
composite mode.
Fig 7.26 Local/remote I/O system configuration example
Link relays (B) 256 points and link registers (W) 256 points are assigned with the
first half link parameters to communicate with local station No.2/No.3 (all local
stations).
In addition, link relays (B) 256 points and link registers (W) 256 points are
assigned with the second half link parameters to communicate with local station
No.3 (MELSECNET compatible station).
Link relays (B) 256 points and link registers (W) 256 points are assigned with the
first half link parameters.
Link relays (B) 256 points and link registers (W) 128 points are assigned with the
first half link parameters to communicate with master station/local station No.2
(master station and all local stations).
In addition, link relays (B) 256 points and link registers (W) 256 points are
assigned with the second half link parameters to communicate with the master
station (master MELSECNET
7 - 56
MELSECNET mode
MELSECNET
MELSECNET MELSECNET
Operating Mode
mode
mode
Applicability
mode-compatible station.
mode-compatible station.
mode-compatible station).
MELSECNET/B
MELSECNET MELSECNET MELSECNET MELSECNET
composite mode mode composite mode
mode