FPΣ
Communication Cassette
7-8
7.2.3 Communication Specifications of Communication Cassette
Serial communication specifications (1:1 communication)
(
*
Note 1)
Item Specification
Communication method
Half-duplex communication
Synchronous method
Start-stop synchronous system
Transmission line
RS232C
Transmission distance (Total length)
15m/49.21 ft.
Transmission speed (Baud rate)
2,400 bits/s to 115.2 k bits/s (*Note 2)
Transmission code ASCII
Transmission data format
Stop bit: 1-bit/2-bit, Parity: None/Even/Odd
Data length (Character bits): 7-bit/8-bit (*Note 2)
Interface Conforming to RS232C (Connection using terminal block)
Notes
1) The RS232C type of communication cassette is necessary in
order to use the serial communication function
(1:1 communication).
2) The transmission speed (baud rate) and transmission format
are specified using the system registers.
Serial communication specifications (1:N communication)
(
*
Note 1)
Item Specification
Communication method Two-wire half-duplex communication
Synchronous method Start-stop synchronous system
Transmission line Twisted pair cable or VCTF
Transmissiondistance(Totallength) Max. 1,200 m/3,937 ft . (*Notes 4 and 5)
Transmission speed (Baud rate)
2,400 bits/s to 115.2 k bits/s
(19,200 bits/s when a C-NET adapter is connected.) (*Notes 2, 4 and 5)
Transmission code ASCII
Transmission data format
Stop bit: 1-bit/2-bit, Parity: None/Even/Odd
Data length (Character bits): 7-bit/8-bit (*Note 2)
Number of units (stations)
Max. 99 units (stations)
(32 units (stations) max. when a C-NET adapter is connected.)
(*Notes 3, 4 and 5)
Interface Conforming to RS485 (Connection using terminal block)
Notes
1) The RS485 type of communication cassette is necessary in
order to use the serial communication function
(1:N communication).
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