Total Stations; Group No - Mitsubishi Electric Melsec QJ71LP21 Reference Manual

5 PARAMETER SETTINGS

5.2.3 Total stations

Total
stations 4
Standby station
CPU QJ71 QJ71
1M 1 2M 1
P P
Network No. 1 (regular)

5.2.4 Group No.

CPU
CPU
5 - 10
Set the total number of stations including the control station, normal stations and
reserved stations in one network.
This setting is required only when "MNET/H mode (control station)" is selected.
Standby station
CPU QJ71 QJ71
1N 2 2N
S S
Network No. 2 (standby)
(1) Valid setting range
2 to 64
(2) Precaution
Do not include standby station in the total number because their network
numbers are different.
In the group number specification, set the group number for sending data to multiple
stations at the same time in transient transmission.
For more details, refer to Section 7.4.3.
Group No. 1
CPU
M 1
P
CPU
N 8
S
(1) Valid setting range
0 : No group specification (default)
1 to 32 : Group No.
(2) Precaution
The difference from the message sending function using logical channel numbers
(Refer to Section 7.4.4) is that the groups can be changed by modifying the
parameters from GX Developer. Note that only one group number can be set per
station.
Reserved
station
CPU QJ71
2 1N 3
S
Group No. 2
CPU
N 2
S
CPU
N 7
S
QJ71 CPU QJ71
2N 3 1N
S
CPU
N 3 N
S
CPU
N 6 N
S
MELSEC-Q
Standby station
QJ71
4 2N 4
S S
4
S
5
S
5 - 10