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MELSEC-
3 SPECIFICATIONS
3.7.9 Setting data (2 occupied stations: Address RWrn+4, common to 4 and 8 occupied
stations (4 occupied stations 2 modules): Address RWrn 7)
The setting statuses of the switches for occupied station number setting, transmission
speed setting, point mode setting, test mode and data link last station number are
stored.
• When 2 stations are occupied, the setting data of CC-Link/LT are stored into
RWrn+4.
• When 4 or 8 stations (4 occupied stations
2 modules) are occupied, the setting
data of CC-Link/LT are stored into RWrn
7.
Bit Name Description
b0 to b1
Number of occupied
stations
Setting statuses of the CC-Link side switches SW1, SW2
for operation setting
00: 2 occupied stations 01: 4 occupied stations,
10: 8 occupied stations (4 occupied stations
2 modules)
11: Setting prohibited
b2 to b3
Transmission speed
setting
Setting statuses of the CC-Link side switches SW8, SW9,
SW10 for operation setting
00: 156kbps 01: 625kbps
10: 2.5Mbps 11: Setting prohibited
b4 to b5 Point mode setting
Setting statuses of the CC-Link side switches SW4, SW5
for operation setting
00: 8-point mode 01: 4-point mode,
10: 16-point mode 11: Setting prohibited
b6 Test mode
Setting status of the CC-Link side switch SW3 for operation
setting
0: Under usual conditions
1: At self-loopback test execution time
b7 Not used
b8 to b13
Data link last station
number
The last station number of the remote station that can
perform a data link is stored.
b14 to b15 Not used
0: Switch OFF
1: Switch ON
POINT
• The values of this remote register change depending on the occupied station
number setting, point mode setting and last station number setting.
• If any CC-Link/LT remote station connected has a station number setting greater
than the value of the data link last station number, an error of station outside
control range occurs.