FPΣ
Communication Cassette
7-6
7.2 Communication Cassette
This section explains about the optional communication cassette for FPΣ.
7.2.1 Type of Communication Cassette
The communication cassette contains the following three types, which can be selected
based on the application involved.
1-channel RS232C type (Part No. : FPG-COM1)
This communication cassette is a 1-channel unit with a five-wire RS232C port.
It supports 1:1 computer links and general-purpose serial communication. RS/CS
control is possible.
Abbreviation Name Signal direction
SD
Transmitted data Unit → External device
RD
Received data Unit ← External device
RS
Request to Send Unit → External device
CS
Clear to Send Unit ← External device
SG
Signal Ground —
Figure 130: FPΣ 1-channel RS232C type communication cassette
2-channel RS232C type (Part No. : FPG-COM2)
This communication cassette is a 2-channel unit with a three-wire RS232C port.
It supports 1:1 computer links and general-purpose serial communication.
Communication with two external devices is possible.
Abbreviation Name Signal direction
S1
Transmitted data 1 Unit → External device
R1
Received data 1 Unit ← External device
S2
Transmitted data 2 Unit → External device
R2
Received data 2 Unit ← External device
SG
Signal Ground —
Figure 131: FPΣ 2-channel RS232C type communication cassette
FPΣ
SD
RD
RS
CS
SG
Terminal layout
S1
R1
SG
S2
R2
SG
Terminal layout
FPΣ
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