Communication Specifications - Panasonic FPS Series User Manual

Appendix

12.2.2 Communication Specifications

Overview of communication modes, interfaces, and communication cassettes
Communication
Mode
Interface
Device
Communication
method
1)
Although the communication cassette has adequate noise protection, the user program should execute a
retransmission when a communication error occurs. This improves reliability of the communication when
communication errors due to excessive noise occur or when the receiver equipment cannot receive temporarily.
2)
For RS232C connections, the maximum number of stations is 2.
Communication specifications
Interface
Communication mode
Communication method
Synchronous method
Transmission line
Transmission distance
3) 8) 9)
Baud rate
Transmissi MEWTOCOL-COM
on code
Program controlled
Modbus RTU
Communication format (set in
4)
system registers)
No. of connected stations
1)
The number of stations, transmission distance, and baud rate may vary depending on the connected RS485
device.
282
MEWTOCOL-COM
1)
Master/Slave
1:1 1:N
RS232C RS485
FPG-
FPG-
COM1
COM3
COM2
COM4
COM4
2-wire,
Half-
half-
duplex
duplex
RS232C (non-isolated)
1:1
Half-duplex
Start stop synchronous system
Multicore shielded line
15m
2400, 4800, 9600, 19200, 38400, 57600, 115200bit/s
ASCII, JIS7, JIS8
ASCII, JIS7, JIS8, Binary
Binary
Data length:
Parity:
Stop bit:
End code:
Start code:
5) 6) 7)
2
Program
1)
controlled
1:1 1:N
RS232C RS485
FPG-
FPG-
COM1
COM3
COM2
COM4
COM4
Half- 2-wire,
duplex half-duplex
7 bits/8 bits
None/Odd/Even
1 bit/2 bits
CR/CR+LF/None/ETX
No STX/STX
FPΣ User's Manual
Modbus RTU
Master/Slave
2)
PLC Link
1:1
RS232C
RS232C
RS485
FPG-
FPG-
COM1
COM1
COM2
COM2
COM3
COM4
COM4
Token bus
Half-
(floating
duplex
master)
1) 2)
RS485 (isolated)
1:N
2-wire, half-duplex
Shielded twisted-pair cable or VCTF
≤1200m
≤99 (≤32 with C-NET adapter)
1)
1:N
RS485
FPG-
COM3
COM4
2-wire,
half-duplex