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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
station
FP-M control board
Slave
stations
• Master-master communication
FP-M control board
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.
POWER
Master
FUSE
station
L
100-240V AC
N
FP3
LINE GROUND
FRAME GROUND
COM
NO
ALARM
NC
Slave
stations
Note:
• Refer to "REMOTE I/O SYSTEM Technical Manual" for details about MEWNET-F (remote I/O) system.
Transmitter master board
(MEWNET-TR)
FP I/O
FP I/O
transmitter unit
transmitter unit
Transmitter master board
(MEWNET-TR)
FP-M control board
Max. 700 m with
twisted-pair cable
Master unit
IN64
OUT64
IN32
OUT32
MASTER
MASTER
C-NET
MEWNET LINK
0
0
0
0
0
8
0
8
0
8
POWER
RECEIVE
RUN
INITLAUZE
1
1
1
1
1
9
TERMINATE
TRANSMIT
IN32
1
9
2
2
OUT32
1
9
2
2
TRANSMITTER
REMOTE
MEWNET
PROG.
2
A
3
3
2
A
3
3
2
A
I/O
C-NET LINK
LINK
PC LINK
TEST
MASTER
3
B
MASTER
ALARM
TEST
3
B
4
4
3
B
4
4
4
C
SD
WIRE TYPE
R/W
12-24VDC
4
C
5
5
TRANSISTOR
4
C
5
5
RD
BREAK
6
6
0.1A5-24VDC
6
6
5
D
RS485
5
D
(NPN)
5
D
6
E
ERROR
ERROR1
ERROR
RUN
6
E
7
7
6
E
7
7
7
F
ALARM
ERROR2
8
8
8
8
BATT.
REMOTE
7
F
7
F
I.
III
II.
IV
9
9
I.
III
II.
IV
9
9
SLAVE UNIT NO.
SLAVE UNIT NO.
ALARM
PROG.
A
A
A
A
B
B
B
B
UNIT NO.
C
C
C
C
COMM.
COMM.
D
D
D
D
E
E
STATION
E
E
ALARM.
ALARM.
10
F
F
10
F
F
NO.
I
II
III
IV
I
II
III
IV
INPUT
1-16
DSP.SW.
DSP.SW.
17-32
OUTPUT
1
1
2
2
1
1
MODE
3
MODE
3
4
4
SW.
5
SW.
5
6
6
OFF
7
7
20
1
20
1
8
8
Matsushita
II
I
I
.
II
II
I
I
.
II
TERMINATE
MODE SW.
Electric Works, Ltd.
ON OFF
ON OFF
ON
1
II
III
II
III
2
III IV
.
III IV
.
3
+
+
4
ON
OFF
11
10
11
10
I
I
10
10
11
10
10
11
-
-
+
+
RS422
I
IV
I
IV
F.G.
F.G.
RS485
-
-
1
1
20
1
1
20
+
+.
II
II
F.G.
F.G.
-
-.
IV
III
II
I
I
I I
IV
III
II
I
I
I I
FP-M control board
FP-M
I/O link board
Max. 700 m with
twisted-pair cable
FP I/O
transmitter unit
FP I/O
terminal unit
Transmitter master board
(MEWNET-TR)
Max. 700 m with
twisted pair cable
FP-M control board
FP-M
I/O link board
1-1. Features and Functions
7
- Quick Links:
- Programming Tools for Fp-Ms
Hide quick links:
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