Using Fx 2N -232If - Mitsubishi Electric MELSEC FX Series User Manual

FX communication
3.2.2 Using FX -232IF
2N
The signal wiring of the RS-232C equipment varies depending on the RS-232C connection
specifications. Check the specifications of the RS-232C equipment used, then connect the
signals correctly. Representative wiring examples are shown below.
1 ) Terminal specification device (No control line)
Setting communication format (BFM #0); b9=0, b8=0
P rogram m able C ontroller S id e
S ignal
nam e
S D (T X D )
R D (R X D )
S G (G N D )
2 ) Terminal specification device (Use control line)
a ) Standard RS-232C mode (Use cross cable)
Setting communication format (BFM #0); b9=0, b8=1
P rogram m able C ontroller S ide
S ignal
nam e
S D (T X D )
R D (R X D )
R S (R T S )
C S (C T S )
C D (D C D )
E R (D T R )
D R (D T R )
S G (G N D )
Note:
*1 When the CD signal is not monitored, the CD signal pin is not required to be connected.
With regard to the CD signal, the FX
*2 The FX
F X -232IF
2N
3
2
5
F X -232IF
2N
3
2
7
8
1
*1 *1
4
6
*2 *2
5
-232IF only indicates the status.
2N
R S -232C D evice S ide
S ignal 9-pin 25-pin
nam e D -S U B D -S U B
S D (T X D ) 3
R D (R X D ) 2
S G (G N D ) 5
R S -232C D evice S ide
S ignal 9-pin 25-pin
nam e D -S U B D -S U B
S D (T X D ) 3 2
R D (R X D ) 2 3
R S (R T S ) 7 4
C S (C T S ) 8 5
C D (D C D ) 1 8
E R (D T R ) 4 20
D R (D T R ) 6 6
S G (G N D ) 5 7
-232IF only indicates the status.
2N
Communication is performed in
accordance with the condition
determined by the software in
t h e F X - 2 3 2 I F a n d t h e
2 N
2
counterpart equipment.
3
7
As the carrier to send (CS)
signal pin of the FX
itself receives the request to
send (RS) signal, signal transfer
is performed as if the
counterpart equipment is
functioning.
Wiring 3
-232IF
2N
3-4