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7
1-1. Features and Functions
■
MEWNET-TR (distributed I/O) system
I/O information can be exchanged between the master and several slave stations at a remote site. A maximum of 32
inputs and 32 outputs can be controlled per master board.
This system supports a total communication distance of 700 m per port using a twisted-pair cable. Master to master
communication is also available.
• Master-slave communication
• Master-master communication
■
MEWNET-F (distributed I/O) system
Using a FP-M I/O link board, this function allows the exchange of I/O information with the master unit of the FP
series programmable controller through a two-conductor cable.
Note:
• Refer to “REMOTE I/O SYSTEM Technical Manual” for details about MEWNET-F (remote I/O) system.
Master unit
Master
station
Slave
stations
FP3
FP-M control board
FP-M
I/O link board
FP-M
I/O link board
FP-M control board
Max. 700 m with
twisted pair cable
IN32
IN32
12-24VDC
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
I.
IV
III
II.
10
1
II
I
10
1
IV
III
I
II
.
III
IV
.
IN64
0
10
1
II
I
11
20
II
I
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
I
II
III
IV
20
11
1
10
II
III
I
IV
OUT32
TRANSISTOR
0.1A5-24VDC
(NPN)
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
I.
IV
III
II.
10
1
II
I
10
1
IV
III
I
II
.
III
IV
.
OUT32
OUT64
0
10
1
II
I
11
20
II
I
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
I
II
III
IV
20
11
1
10
II
III
I
IV
MODE
SW.
1
2
3
4
ON
OFF
+
-
F.G.
TRANSMITTER
MASTER
MASTER
SLAVE UNIT NO.
COMM.
ALARM.
DSP.SW.
INPUT
OUTPUT
5
6
7
8
+
-
I
II
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
MODE
SW.
1
2
3
4
ON
OFF
+
-
F.G.
REMOTE
I/O
MASTER
MASTER
SLAVE UNIT NO.
COMM.
ALARM.
DSP.SW.
1-16
17-32
5
6
7
8
+.
-.
I
II
0
123
45
67
89
0
123
45
67
89
ON
OFF
+
-
F.G.
C-NET LINK
C-NET
STATION
NO.
RS485
RS485
POWER
TERMINATE
SD
RD
ERROR
ALARM
TERMINATE
0
123
45
67
89
0
123
45
67
89
+
-
F.G.
MEWNET
LINK
WIRE TYPE
MEWNET LINK
RECEIVE
TRANSMIT
R/W
ERROR1
ERROR2
ON
OFF
MODE SW.
1
2
3
4
PC LINK
ALARM
UNIT NO.
POWER
FUSE
100-240V AC
COM
NO ALARM
NC
LINE GROUND
FRAME GROUND
L
N
RUN
PROG.
TEST
BREAK
ERROR
BATT.
ALARM
RS422
INITLAUZE
TEST
RUN
REMOTE
PROG.
Matsushita
Electric Works, Ltd.
FP-M control board
Transmitter master board
(MEWNET-TR)
FP-M control board
Transmitter master board
(MEWNET-TR)
Max. 700 m with
twisted-pair cable
Transmitter master board
(MEWNET-TR)
Master
station
FP I/O
transmitter unit
Slave
stations
FP I/O
terminal unit
FP-M control board
FP I/O
transmitter unit
FP I/O
transmitter unit
Max. 700 m with
twisted-pair cable
Содержание FP-M Hardware
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