Mitsubishi Electric MELSEC FX Series User Manual page 29

FX communication
b ) Interlink connection mode (Use interlink serial cross cable)
Setting connection format (BFM #0); b9=1, 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 )
E R (D T R )
D R (D T R )
S G (G N D )
Note:
*1 The FX
*2 In this mode, the request to send (RS) signal functions as the signal to enable receive in
the FX
2N
When receiving data exceeding 512 bytes, the FX
signal to "OFF" and requests the counterpart equipment to suspend the send operation.
When the data saved in the receive buffers is read by the sequence program, the
remaining data can be received.
3 ) Modem specification device
Standard RS-232C mode (Using straight 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 )
C I (R I)
Note:
*1 The FX
*2 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
*3 When the CI signal is not required, the CI signal pin is not required to the connected. With
regard to the CI signal, the FX
F X -232IF
2N
3 S D (T X D )
2 R D (R X D )
7 R S (R T S )
8 C S (C T S )
*1 *1
4 E R (D T R )
6 D R (D T R )
*2 *2
5 S G (G N D )
-232IF only indicates the status.
2N
-232IF.
F X -232IF
2N
3 S D (T X D )
2 R D (R X D )
7 R S (R T S )
8 C S (C T S )
*1 *1
1 C D (D C D )
4 E R (D T R )
*2 *2
6 D R (D T R )
5 S G (G N D )
*3 *3
9
-232IF indicates the status exclusively.
2N
R S -232C D evice S ide
S ignal 9-pin 25-pin
nam e D -S U B D -S U B
3 2
2 3
7 4
8 5
4 20
6 6
5 7
-232IF sets the request to send (RS)
2N
R S -232C D evice S ide
S ignal 9-pin 25-pin
nam e D -S U B D -S U B
3 2
2 3
7 4
8 5
1 8
4 20
6 6
5 7
C I (R I) 9 22
-232IF indicates the status exclusively.
2N
-232IF indicates the status exclusively.
2N
In the interlink connection
mode, data exceeding 512
bytes (upper limit of the receive
buffer in the FX -232IF) can be
2N
received.
Wiring 3
3
3-5