Mitsubishi FX3U-232-BD User Manual page 199

FX Series PLC User's Manual - Data Communication Edition
Parallel Link
10.2 Details of Related Devices
The devices described below are used in parallel link.
10.2.1 Parallel link master station declare [M8070]
When this device is set to ON, the PLC is handled as the master station in the parallel link.
1. Applicable stations
The master station requires program setting.
2. Detailed contents
In the FX PLC to be handled as the master station, set M8070 to "normally ON" using M8000.
3. Cautions on use
Set this device to ON in a sequence program.
10.2.2 Channel setting [M8178]
This device works as the channel setting flag (in the FX
1. Applicable stations
The master and slave station require program setting.
2. Detailed contents
When using ch 2 as the communication port, set this device to ON in the sequence program.
When using ch 1, the sequence program is not required.
10.2.3 Parallel link slave station declare [M8071]
When this device is set to ON, the PLC is handled as the slave station in the started communication.
1. Applicable stations
The slave station requires program setting.
2. Detailed contents
In the FX PLC to be handled as a slave station, set M8071 to "normally ON" using M8000.
3. Cautions on use
Set this device to ON using a sequence program.
10.2.4 High speed parallel link mode [M8162]
When M8162 turns OFF, the regular parallel link mode is selected. When M8162 turns ON, the high speed
parallel link mode is selected.
1. Applicable stations
The master and slave station require program setting.
2. Detailed contents
The table below shows the number of link devices.
PLC
FX (FX), FX , FX
2 2C
FX , FX , FX
3U 1NC 2NC
FX , FX
1S 0N
3. Cautions on use
Set this device to ON using a sequence program.
Regular parallel link mode
Bit device (M)
, FX ,
1N 2N
100 in each station
, FX
3UC
50 in each station
and FX ).
3UC
3U
High speed parallel link mode
Word device (D) Bit device (M)
10 in each station
10 in each station
10 Related Data
10.2 Details of Related Devices
Word device (D)
0 2 in each station
0 2 in each station
C-49
A
B
C
D
E
F
G
H
I
Apx.