Bit No.
b4
b5
b6
b7
b8
b9
b10
b11
b12
b13
*1
b14
b15
*1 When using non-protocol communication, 0 (fixed).
Precautions
Do not turn ON or OFF with program or engineering tool.
They are cleared by turning the PLC power OFFON, RUNSTOP or by resetting the system.
Amount of remaining send data
This stores the amount of remaining send data. These devices store the counted value in 8-bit (1 byte) units.
FX5 dedicated
CH1
CH2
CH3
SD8560
SD8570
SD8580
R: Read only
Precautions
Do not turn ON or OFF with program or engineering tool.
Amount of data received
This stores the amount of data already received. These devices store the counted value in 8-bit (1 byte) units.
FX5 dedicated
CH1
CH2
CH3
SD8561
SD8571
SD8581
R: Read only
Precautions
Do not change the value with program or engineering tool.
Name
Baud rate
Header
Terminator
Control mode
Sum check
Protocol
CR, LF
FX3 Series
compatible
CH4
CH1
CH2
SD8590
SD8402
SD8422
FX3 Series
compatible
CH4
CH1
CH2
SD8591
SD8403
SD8423
Description
0 (bit = OFF)
b7, b6, b5, b4
(0,0,1,1): 300 bps
(0,1,0,0): 600 bps
(0,1,0,1): 1200 bps
(0,1,1,0): 2400 bps
(0,1,1,1): 4800 bps
(1,0,0,0): 9600 bps
(1,0,0,1): 19200 bps
(1,0,1,0): 38400 bps
(1,0,1,1): 57600 bps
(1,1,0,1): 115200 bps
Not added
Not added
b12, b11, b10
(0, 0, 0): Not provided <RS-232C interface>
(0, 0, 1): Standard mode <RS-232C interface>
(0, 1, 0): Interlink mode <RS-232C interface>
(0, 1, 1): Modem mode <RS-232C interface>
(1,1,0): RS-485 full-duplex, bi-directional <RS-485 interface>
(1,1,1): RS-485 half-duplex, bi-directional <RS-485 interface>
Not added
Not used
CR and LF are not added
Description
These devices store the amount of remaining send
data.
Description
These devices store the amount of data already
received.
5 NON-PROTOCOL COMMUNICATION
1 (bit = ON)
Added
Added
Added
Used
CR/LF added
R/W
R
R/W
R
5.9 Related Devices
5
161